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Coronary 1 Practice

Description

Practice for durham coronary 1 course
romalsp
Quiz by romalsp, updated more than 1 year ago
romalsp
Created by romalsp about 9 years ago
2659
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Resource summary

Question 1

Question
The two branches of the left coronary artery are the
Answer
  • left anterior descending, left posterior descending
  • circumflex, right coronary artery
  • circumflex, left anterior descending
  • left lateral artery, circumflex

Question 2

Question
The heart's muscular layer that allows the heart to contract is the
Answer
  • endocardium
  • myocardium
  • epicardium
  • pericardium

Question 3

Question
The chamber that receives blood from the vena cavas is the
Answer
  • LA
  • RA
  • LV
  • RV

Question 4

Question
Atrial kick supplies the ventricles with about ________ blood volume
Answer
  • 20%
  • 50%
  • 80%
  • 100%

Question 5

Question
During ventricular systole, the
Answer
  • aortic and tricuspid valves close
  • tricuspid and pulmonic valves close
  • mitral and aortic valves open
  • pulmonic and aortic valves open

Question 6

Question
The curcumflex artery mostly supplies the
Answer
  • RA
  • lateral wall of the RV
  • septal wall of the LV
  • lateral wall of the LV

Question 7

Question
Cardiac Output equals
Answer
  • heart rate x stroke volume
  • heart rate x venous pressure
  • heart rate x systemic pressure
  • heart rate x atrial kick

Question 8

Question
Vessels that supply the heart's structures with oxygenated blood are the
Answer
  • pulmonary arteries
  • coronary arteries
  • systemic arteries
  • vena cavas

Question 9

Question
Spread of depolarization to the LA travels along
Answer
  • the internodal tracts
  • the bundle of HIS
  • the L bundle branch
  • Bachmann's bundle

Question 10

Question
The right side of the heart pumps blood into the
Answer
  • pulmonary circulation
  • aorta
  • systemic circulation
  • coronary arteries

Question 11

Question
Preload refers to the ventricular stretch
Answer
  • at the start of atrial systole
  • at the end of atrial diastole
  • at the start of ventricular diastole
  • at the end of ventricular diastole

Question 12

Question
Intrinsically, the SA node can normally initiate ______ impulses each minute
Answer
  • 29-40
  • 40-60
  • 40-80
  • 60-100

Question 13

Question
The PMI (point of maximum impulse) is best heard
Answer
  • at the apex of the heart
  • at the base of the heart
  • over the aortic area
  • over the pulmonic area

Question 14

Question
Ventricular depolarization/systole
Answer
  • propels blood to the atria
  • coincides with atrial systole
  • results from electrical stimulation
  • prevents blood flow into the coronary arteries

Question 15

Question
Mitral stenosis can
Answer
  • increase preload
  • decrease preload
  • increase afterload
  • decreases afterload

Question 16

Question
Atrial systole can also be called
Answer
  • atrial relaxation
  • atrial kick
  • atrial pressure
  • atrial repolarization

Question 17

Question
Rupture of a papillary muscle can
Answer
  • lead to valve regurgitation, thereby affecting SV and CO
  • decreases electrical stimulation
  • occlude a coronary artery
  • ensure electrical impulses conduct regularity

Question 18

Question
Which coronary artery supplies the AV node in most people
Answer
  • the R coronary artery
  • The L coronary artery
  • the LAD artery
  • the circumflex artery

Question 19

Question
Fast heart rates can decrease CO because of
Answer
  • an increase in SV
  • the increased force of contraction
  • the shortened ventricular filling time
  • their relaxing effect on the heart valves

Question 20

Question
The conduction system refers to
Answer
  • the heart's mechanical system
  • the heart's electrical system
  • the AV node's function
  • ventricular contraction

Question 21

Question
Oxygenated blood returns to the heart via the
Answer
  • pulmonary arteries
  • vena cavas
  • pulmonary veins
  • aorta

Question 22

Question
The tricuspid valve is located between the
Answer
  • RA and LA
  • LA and LV
  • RV and LV
  • RA and RV

Question 23

Question
Prior to the onset of late ventricular diastole (before atrial systole), the ventricles have
Answer
  • received about 20% of their blood volume
  • received about 80% of their blood volume
  • filled to full capacity
  • contracted

Question 24

Question
The CO can decrease with slow heart rates because
Answer
  • the SV cannot increase any further
  • of rapid AV conduction
  • of poor LV muscle contraction
  • of valvular dysfunction

Question 25

Question
The main property of the AV node is to
Answer
  • a forward 20% extra blood volume to the ventricles
  • slow impulse conduction velocity/speed
  • ensure a regular rhythm of impulse transmission
  • promote atrial systole

Question 26

Question
The cells' ability to initiate impulses is called
Answer
  • automaticity
  • excitability
  • conductivity
  • contractility

Question 27

Question
If the SA node fails, the AV junction can intrinsically generate ____ impulses per minute
Answer
  • 20-40
  • 40-60
  • 60-80
  • 80-100

Question 28

Question
The PMI is located at the
Answer
  • 2nd R ICS (intercostal space)
  • 2nd L ICS
  • 5th R ICS
  • 5th L ICS

Question 29

Question
An S3 can indicate
Answer
  • an atrial gallop
  • the apical pulse
  • heart failure
  • closure of the mitral valve

Question 30

Question
At the aortic area
Answer
  • S1 is louder than S2
  • S2 is louder than S1
  • S2 cannot be heard
  • S1 and S2 sound the same

Question 31

Question
Palpitations can be
Answer
  • sustained
  • insignificant
  • caused by the use of bronchodilators
  • any of the above

Question 32

Question
Pulsus alternans is characterized by
Answer
  • alternating regular and irregular rhythms
  • alternating strong and weak pulses
  • increased rate with expiration
  • decreased rate with expiration

Question 33

Question
Auscultation of the mitral valve is best heard at the
Answer
  • 2nd R ICS, adjacent to the sternum
  • 2nd L ICS, adjacent to the sternum
  • 5th L ICS, medial to the mid-clavicle
  • lower L sternal border

Question 34

Question
Acute MI pain can radiate to
Answer
  • the jaw and neck
  • the left arm
  • the back
  • any of the above

Question 35

Question
Unilateral leg edema can signify
Answer
  • left sided heart failure
  • superior vena cava syndrome
  • venous insufficiency
  • ventricular diastole

Question 36

Question
Auscultation of the pulmonic valve is best heard at the
Answer
  • 2nd R ICS
  • 2nd L ICS
  • 5th R ICS
  • 5th L ICS

Question 37

Question
During atrial systole, you might auscultate an
Answer
  • S1
  • S2
  • S3
  • S4

Question 38

Question
Elevated JVP might be visualized in the patient with
Answer
  • RV MI
  • RVF
  • cor pulmonale
  • any of the above

Question 39

Question
During inspection of the chest , the pulsation of the apical pulse is always visible
Answer
  • True
  • False

Question 40

Question
Palpation of a normal pulse strength is documented as
Answer
  • 1+
  • 2+
  • 3+
  • 4+

Question 41

Question
The ____ valve is heard loudest at the 2nd R ICS, adjacent to the sternum
Answer
  • Aortic
  • Pulmonic
  • Tricuspd
  • Mitral

Question 42

Question
Which cardiac condition would most likely cause chest pain that eases by sitting up and leaning forward?
Answer
  • Acute Paricarditis
  • CHF

Question 43

Question
A pneumothorax can potentially to displace the PMI
Answer
  • True
  • False

Question 44

Question
The S1 heart sound
Answer
  • represents closure of the mitral and tricuspid valves
  • signifies the end of ventricular diastole
  • is heard loudest at the apex
  • all of the above

Question 45

Question
The S3 and S4 adventitious heart sounds
Answer
  • are best heard with the stethoscope's diaphragm
  • can indicate heart failure
  • correspond with ventricular systole
  • all of the above

Question 46

Question
To observe the JVP
Answer
  • turn the patient's head away from the side being examined
  • elevate the head of the bed to 90 degrees
  • auscultate the 2nd L ICS
  • ensure dim lighting to distinguish the JVP shadows

Question 47

Question
An adventitious heart sound heard during atrial diastole would be
Answer
  • S1
  • S2
  • S3
  • S4

Question 48

Question
When discussing the dorsalis pedis pulse
Answer
  • palpating the R and L simultaneously is safe
  • it should always be easily palpable in normal adults
  • it is located just below the malleolus
  • its detection requires very deep palpation

Question 49

Question
An S4 heart sound
Answer
  • is called a ventricular gallop
  • is heard during ventricular diastole
  • is heard during atrial diastole
  • occurs before S2

Question 50

Question
Pulsus paradoxus is characterized by
Answer
  • alternating regular and irregular rhythms
  • alternating strong and weak pulses
  • decreased amplitude with expiration
  • decreased amplitude with inspiration

Question 51

Question
When listening over the mitral area, S1 is louder than S2
Answer
  • True
  • False

Question 52

Question
Normally, pulsations of the internal jugular veins
Answer
  • change in response to positioning
  • are visualized at 10cm above the suprasternal notch
  • are noticeable when the patient stands
  • all of the above

Question 53

Question
Syncope can be a symptom of
Answer
  • vasodilatation
  • a slow heart rate
  • excessive vagal activity
  • any of the above

Question 54

Question
When documenting a pulse's strength, a weak pulse is
Answer
  • 0
  • 1+
  • 2+
  • 3+

Question 55

Question
In which of the following conditions might the patient's chest heaviness ease if s/he rests?
Answer
  • acute pericarditis
  • dissecting aneurysm
  • stable angina
  • pulmonary embolism

Question 56

Question
Palpating both carotid arteries simultaneously can decrease the HR and produce syncope
Answer
  • True
  • False

Question 57

Question
An irregular pulse is always detected in patients with
Answer
  • cardiac tamponade
  • MI
  • aortic dissection
  • atrial fibrillation

Question 58

Question
In Lead I
Answer
  • RA is negative, LL is positive
  • LA is negative, LL is positive
  • RA is negative, LA is positive
  • RA is negative, RL is positive

Question 59

Question
CK elevation will be detected with
Answer
  • elevated HDLs
  • CVA
  • depolarization
  • decreased CO

Question 60

Question
After MI, the following LDH isoenzymes can be expected
Answer
  • LD1 and LD2 are absent
  • LD1 = LD2
  • LD1 < LD2
  • LD1 > LD2

Question 61

Question
Depolarization
Answer
  • is a state of excitability
  • coincides with discharge of electricity
  • results from ionic activity
  • all of the above

Question 62

Question
Oral anticoagulation dosing is determined by assessing the
Answer
  • CK
  • AST
  • PTT
  • PT or INR

Question 63

Question
The normal PR interval measures
Answer
  • less than 0.12 seconds
  • 0.12 to 0.20 seconds
  • 0.20 to 0.40 seconds
  • more than 0.40 seconds

Question 64

Question
The Q wave is the first ____ of a ventricular complex
Answer
  • first negative deflection
  • first positive deflection
  • second negative deflection
  • second positive deflection

Question 65

Question
To calculate an irregular ventricular rate
Answer
  • divide the # of small boxes between 2 QRSs into 1500
  • divide the # of large boxes between 2 QRSs into 300
  • count the # of QRSs in a 6 second strip, and x 10
  • all of the above

Question 66

Question
The QT interval represents the time frame for
Answer
  • ventricular depolarization to occur
  • ventricular repolarization to occur
  • ventricular depolarization and repolarization to occur

Question 67

Question
In lead III
Answer
  • RA is negative, LL is positive
  • LA is negative, LL is positive
  • RA is negative, LA is positive
  • RA is negative, RL is positive

Question 68

Question
The cardiac cycle includes
Answer
  • The P wave
  • the QRS complex
  • the T wave
  • the PQRST

Question 69

Question
An MI can be safely diagnosed with the CK-MB result because this isoenzyme
Answer
  • represents atrial depolarization
  • is specific to cardiac tissue
  • reflects the CO
  • causes the ventricles to contract

Question 70

Question
Cholesterol is carried on
Answer
  • LDL
  • AST
  • PTT
  • myoglobin

Question 71

Question
An impulse travelling toward the area where a positive electrode is placed is recorded as
Answer
  • a positive deflection
  • negative deflection
  • flat line
  • any of the above

Question 72

Question
Torsades de Pointes can result from
Answer
  • short PR intervals
  • long PR intervals
  • short QT intervals
  • long QT intervals

Question 73

Question
Normally, the majority of cardiac electrical activity travels to the electrode placed on the
Answer
  • RA
  • LA
  • Rl
  • LL

Question 74

Question
The P wave represents
Answer
  • atrial depolarization
  • ventricular depolarization
  • ventricular repolarization
  • conduction through the AV node

Question 75

Question
The QT interval
Answer
  • starts at the onset of the QRS complex
  • ends after the T wave
  • should be less than half the R-R interval
  • all of the above

Question 76

Question
Prior to obtaining lipid studies
Answer
  • the CK-MB must be elevated
  • patients must be fasting
  • the INR must be within normal range
  • CO must be satisfactory

Question 77

Question
The QRS complex
Answer
  • should measure more than 0.10 seconds
  • reflects ventricular depolarization
  • always has a Q, an R, and an S wave
  • all of the above

Question 78

Question
Heparin dosing is determined by assessing the
Answer
  • PTT
  • PT
  • INR

Question 79

Question
The PR interval is measured from the
Answer
  • start of the P wave to the start of the QRS
  • start of the P wave to the end of the QRS
  • end of the P wave to the start of the QRS
  • end of the P wave to the end of the QRS

Question 80

Question
Which troponins can be evaluated to detect myocardial damage?
Answer
  • troponins I and C
  • troponins I and T
  • troponins T and C
  • troponins I, T, and C

Question 81

Question
Ventricular repolarization is reflected by the
Answer
  • P wave
  • QRS complex
  • T wave
  • PR interval

Question 82

Question
In lead II
Answer
  • RA is negative, LL is positive
  • LA is negative, LL is positive
  • RA is negative, LA is positive
  • RA is negative, RL is positive

Question 83

Question
Six seconds on ECG paper includes
Answer
  • 15 small boxes
  • 15 large boxes
  • 30 small boxes
  • 30 large boxes

Question 84

Question
Which of the following ST segments is abnormal?
Answer
  • 0.5mm below the baseline
  • 0.5mm above the baseline
  • the iso-electric ST segment
  • 2mm above the baseline

Question 85

Question
The normal ventricle requires ____ to contract
Answer
  • < 0.02 seconds
  • < 0.10 seconds
  • > 0.12 seconds
  • > 0.20 seconds

Question 86

Question
The CK begins to elevate ____ after muscle damage
Answer
  • 4-6 hours
  • 10-15 hours
  • 12-24 hours
  • 24-36 hours

Question 87

Question
The patient with a prosthetic mechanical valve, whose INR is 1.2 needs
Answer
  • to increase his warfarin dosage
  • to decrease his warfarin dosage
  • to maintain his same/usual warfarin dose
  • to withold the next warfarin dose

Question 88

Question
In lead II, normal ventricular depolarization produces a
Answer
  • P wave with a positive deflection
  • P wave with a negative deflection
  • QRS with a positive deflection
  • QRS with a negative deflection

Question 89

Question
The normal CK-MB
Answer
  • varies according to the HDL
  • is less than 5% of the total CK
  • will elevate with cerebral injury

Question 90

Question
Spinach and other foods rich in Vitamin K can
Answer
  • increase the CK and AST
  • decrease the CK and AST
  • increase clotting times
  • decrease clotting times

Question 91

Question
Repolarization
Answer
  • represents a state of excitability
  • is a state of relaxation
  • indicates that the ventricles are contracting
  • is reflective of myocardial damage

Question 92

Question
The time reflected between each darkened 'bold' line on ECG paper is
Answer
  • 0.02 seconds
  • 0.04 seconds
  • 0.12 seconds
  • 0.20 seconds

Question 93

Question
The R wave
Answer
  • is positively deflected
  • indicates that the atria are contracting
  • measures > 0.20 seconds
  • reflects conduction through the AV node

Question 94

Question
When QRS complexes occur at intervals with slight variances of < 0.12 seconds
Answer
  • extra P waves are always seen
  • the ventricles are not depolarizing
  • the rate is always rapid
  • the rhythm is considered regular

Question 95

Question
In the heart with a normal conduction system
Answer
  • extra P waves are seen
  • each P wave is followed by a QRS
  • P waves differ in morphology (appearance)
  • the absence of P waves is expected

Question 96

Question
The negatively deflected wave indicates that the impulse
Answer
  • has not been generated
  • is travelling toward a positive electrode
  • is travelling away from a positive electrode
  • requires stronger electrical current

Question 97

Question
U waves
Answer
  • should deflect in the same direction as the T wave
  • are only 1/4 the height of the T wave
  • may be absent on the normal rhythm strip
  • all of the above

Question 98

Question
Colour of RA
Answer
  • Black
  • Green
  • Brown
  • White
  • Red

Question 99

Question
Colour of LA
Answer
  • black
  • green
  • brown
  • red

Question 100

Question
Colour of RL
Answer
  • red
  • green
  • black
  • white

Question 101

Question
Colour of LL
Answer
  • brown
  • green
  • red
  • black

Question 102

Question
Colour of Precordium (V lead)
Answer
  • red
  • black
  • green
  • brown

Question 103

Question
Sinus tachycardia can be caused by
Answer
  • excessive vagal stimulation
  • beta-blockers, digoxin
  • verapamil, adenosine
  • fever, anxiety, atropine

Question 104

Question
Syncope can be a manifestation of any tachycardia because
Answer
  • the HR is too slow
  • ventricular depolarization does not occur
  • ventricular filling times are shortened
  • vagal activity is excessive

Question 105

Question
Carotid sinus massage can lead to
Answer
  • sinus bradycardia
  • sinus block
  • sinus arrest
  • any of the above

Question 106

Question
In atrial flutter
Answer
  • all atrial impulses always reach the ventricles
  • the AR is always slow
  • the PR interval is not measurable
  • the QRS complexes are always wide

Question 107

Question
The initial energy level required to convert PAT is
Answer
  • 50 joules
  • 100 joules
  • 200 joules
  • 300 joules

Question 108

Question
Junctional escape rhythm can deteriorate to
Answer
  • IVR
  • VT
  • junctional tachycardia
  • any of the above

Question 109

Question
The distinguishable features of Wenckebach are
Answer
  • constant PR interval, AR = VR
  • constant PR interval, AR > VR
  • variable PR interval, AR = VR
  • variable PR interval, AR > VR

Question 110

Question
Multifocal PVCs are reflected as
Answer
  • frequent beats
  • different looking beats
  • beats occurring regularly
  • missing beats

Question 111

Question
A regular rhythm with an AR of 110, VR of 110, constant PR interval of 0.12 seconds, QRS complexes of 0.08 seconds is
Answer
  • sinus tachycardia
  • PAT
  • atrial fibrillation
  • VT

Question 112

Question
The most distinguishable feature of atrial fibrillation is
Answer
  • a rapid ventricular rate
  • an irregular rhythm
  • variable PR intervals
  • wide QRS complexes

Question 113

Question
Lidocaine is often effective in treating ventricular rhythms because it
Answer
  • enhances ventricular depolarization
  • improves atrial automaticity
  • suppresses ventricular irritability
  • blocks PSNS activity

Question 114

Question
A defibrillator should be quickly accessible for the patient in third degree AV block because this block can deteriorate to
Answer
  • VT
  • Wenckebach
  • IVR
  • sinus bradycardia

Question 115

Question
Sinus arrest can be caused by
Answer
  • atropine
  • excessive SNS stimulation
  • caffeine, nicotine
  • digoxin toxicity

Question 116

Question
PAT with an AR of 240 beats/minute would always have
Answer
  • a slower VR
  • regular rhythm
  • normal PR intervals
  • visible P waves

Question 117

Question
In atrial fibrillation, reduced CO can result from
Answer
  • the rapid SA node rate of impulse formation
  • the irregular ventricular rhythm
  • disorganized, chaotic atrial quivering
  • shortened PR intervals

Question 118

Question
Initial shock treatment of pulseless VT is
Answer
  • cardioversion, starting with 200 joules
  • cardioversion, starting with 300 joules
  • defibrillation, starting with 200 joules
  • defibrillation, starting with 300 joules

Question 119

Question
The ____ generates impulses in all heart blocks
Answer
  • SA node
  • atria
  • AV junction
  • ventricles

Question 120

Question
Treatment is rarely needed for first degree AV block because
Answer
  • the CO is usually satisfactory
  • the PR intervals are normal
  • the AV junction is initiating all impulses
  • the ventricles are using their property of automaticity

Question 121

Question
The P wave may be difficult to distinguish with a PAC, but the P wave occurs because the ____ depolarize
Answer
  • Ventricles
  • SA Node
  • Atria
  • AV Node

Question 122

Question
Symptoms associated with junctional escape rhythm result from
Answer
  • shortened ventricular filling time
  • shortened atrial filling time
  • slower heart rate
  • rapid heart rate

Question 123

Question
A regular rhythm with an atrial rate of 68, VR of 68, constant PR intervals of 0.28 seconds, QRS complexes of 0.08 seconds is
Answer
  • first degree AV block
  • second degree, Wenckebach
  • second degree, Mobitz II
  • third degree AV block

Question 124

Question
A ventricular rate of less than 100 beats/minute can be seen in
Answer
  • sinus bradycardia
  • atrial fibrillation
  • Wenckebach
  • all of the above

Question 125

Question
The initial energy level required to cardiovert atrial flutter is
Answer
  • 50 joules
  • 100 joules
  • 200 joules
  • 300 joules

Question 126

Question
The P waves in junctional beats and rhythms can
Answer
  • be inverted
  • be buried/lost in the QRS complexes
  • follow the QRS complexes
  • any of the above

Question 127

Question
Decreased CO in AIVR is due to
Answer
  • loss of atrial kick
  • slow AV conduction
  • the excessively rapid HR
  • rapid AV conduction

Question 128

Question
The patient in VF has
Answer
  • inverted P waves
  • shortened PR intervals
  • normal QRS complexes
  • none of the above

Question 129

Question
The PR interval in Mobitz II can be normal or prolonged
Answer
  • True
  • False

Question 130

Question
Treatment for frequent PVCs might include
Answer
  • verapamil, adenosine, pacemaker
  • carotid sinus massage
  • atropine, epinephrine
  • lidocaine, pronestyl, potassium

Question 131

Question
Potential for clot formation in atrial fibrillation is due to
Answer
  • atrial quivering
  • excessive stimulants
  • increased CO
  • ventricular automaticity

Question 132

Question
Atrial and ventricular contractions are not synchronized at all in
Answer
  • first degree AV block
  • second degree, Wenckebach
  • second degree, Mobitz II
  • third degree AV block

Question 133

Question
Symptoms of decreased CO can potentially be experienced with
Answer
  • JT
  • PAT
  • IVR
  • any arrhythmia

Question 134

Question
Cells in the AV junction have the property of ____ which allows cells in the AV junction to initiate/generate junctional beats/rhythms
Answer
  • conduction
  • automaticity
  • regularity
  • electricity

Question 135

Question
Repolarization in ventricular beats/rhythms is reflected as T waves that
Answer
  • are absent
  • deflect in the same direction as the QRS
  • deflect opposite to the QRS deflection
  • are peaked

Question 136

Question
VT with a pulse is treated with
Answer
  • cardioversion, starting with 100 joules
  • cardioversion, starting with 300 joules
  • defibrillation, starting with 100 joules
  • defibrillation, starting with 300 joules

Question 137

Question
The term SVT can be used to describe
Answer
  • junctional tachycardia
  • uncontrolled atrial fibrillation
  • PAT
  • any rapid rhythm that originates above the ventricles

Question 138

Question
A rhythm with an AR of 86, a VR of 30, variable, erratic PR intervals with no pattern, and QRS complexes measuring 0.14 seconds is
Answer
  • sinus arrhythmia
  • atrial fibrillation
  • second degree, Wenckebach
  • third degree AV block

Question 139

Question
The PR intervals cannot be measured in ventricular rhythms because of
Answer
  • absent atrial depolarization
  • shortened conduction through the AV node
  • decreased CO
  • all of the above

Question 140

Question
If a PR interval can be measured in junctional beats/rhythms, it characteristicly measures ____ seconds
Answer
  • <0.12
  • >0.12
  • <0.08
  • >0.08

Question 141

Question
Which patient has the more serious block?
Answer
  • AR 96, VR 48, constant PR 0.24 seconds, QRS 0.20 seconds
  • AR 80, VR 40, constant PR 0.22 seconds, QRS 0.10 seconds
  • AR 90, VR 45, constant PR 0.26 seconds, QRS 0.08 seconds

Question 142

Question
Initial treatment of pulseless VT is
Answer
  • lidocaine
  • procainamide
  • cardioversion
  • defibrillation

Question 143

Question
When each and every impulse from the SA node is blocked at the AV node, the rhythm is
Answer
  • third degree block
  • junctional escape rhythm
  • atrial fibrillation
  • Mobitz II

Question 144

Question
The drug treatment of choice for symptomatic IVR is
Answer
  • Atropine
  • Lidocaine
  • Epinepherine
  • Adenosine

Question 145

Question
Absent P waves in junctional beats/rhythms result from
Answer
  • rapid atrial depolarization
  • the excessively slow ventricular rate
  • simultaneous atrial and ventricular depolarization
  • atrial contraction that occurs after ventricular contraction

Question 146

Question
Decreased CO in VT is due to
Answer
  • prolonged PR intervals
  • the rapid ventricular rate
  • the AV node's slow rate of impulse conduction
  • rapid atrial depolarization

Question 147

Question
In Wenckebach
Answer
  • P waves occur at regular intervals
  • there are more P waves than QRS complexes
  • P waves are normal and all look the same
  • all of the above

Question 148

Question
The arrhythmia on this link is called ____
Image:
bdcb88ce-326d-47db-96a5-a85e18cbe095.gif (image/gif)
Answer
  • sinus arrhythmia
  • sinus bradycardia
  • A Fib

Question 149

Question
The arrhythmia on this link is called ____
Image:
76066336-742c-4f29-b669-b859298c3601.gif (image/gif)
Answer
  • Sinus Tachycardia
  • SVT
  • VT
  • VF

Question 150

Question
The arrhythmia on this link is called ____
Image:
e4912632-f3f8-4b24-8124-97c7b0cabd6d.gif (image/gif)
Answer
  • sinus rhythm
  • First degree AV block
  • A flutter
  • Mobitz !!

Question 151

Question
The arrhythmia on this link is called ____
Image:
3dffa3c2-82c3-4b2f-8953-c026fb8fd594.gif (image/gif)
Answer
  • sinus bradycardia
  • sinus rhythm
  • 3rd Degree AV block
  • A Fib

Question 152

Question
The arrhythmia on this link is called ____
Image:
27e4832e-5f53-4e9b-9683-c9e9e76296b4.gif (image/gif)
Answer
  • Mobitz !I
  • 3rd degree AV block
  • Wenckbach
  • A Fib

Question 153

Question
The arrhythmia on this link is called ____ (include the entire strip, not just the abnormality)
Image:
723f2209-a7e2-4e31-8422-d2f8155cffcf.gif (image/gif)
Answer
  • A Fib
  • Sinus arrhythmia with PJC
  • sinus bradycardia with PJC

Question 154

Question
The arrhythmia on this link is called ____
Image:
867efe49-fa6c-4ab8-9067-d59486f4dfbd.gif (image/gif)
Answer
  • VT
  • V Fib
  • PEA
  • Conduction problem

Question 155

Question
The arrhythmia on this link is called ____
Image:
4db669c1-68be-45f0-87d9-10092c312a26.gif (image/gif)
Answer
  • IVR
  • Sinus bradycardia
  • A Fib
  • 1st degree heart block

Question 156

Question
The arrhythmia on this link is called ____
Image:
6b34faf3-b2a1-4d07-bfc1-c311a738b236.gif (image/gif)
Answer
  • First degree AV block
  • Sinus rhythm
  • Mobitz !!
  • Passive junctional rhythm

Question 157

Question
The arrhythmia on this link is called ____
Image:
bfd0ea16-c6c4-41cd-86c6-30a4c619b1cb.gif (image/gif)
Answer
  • V Fib
  • A Fib
  • A Flutter
  • Sinus Tachycardia

Question 158

Question
The arrhythmia on this link is called ____ (include the entire strip, not just the abnormality)
Image:
e9ddf300-b73e-49e6-a679-0a1321e63007.gif (image/gif)
Answer
  • Normal sinus rhythm with sinus pause
  • 1st degree AV block
  • Mobitz !!
  • IVR

Question 159

Question
The arrhythmia on this link is called ____
Image:
4e1e2afa-ecd3-49a3-b289-f8856aa5afb2.gif (image/gif)
Answer
  • Mobitz !!
  • 1st Degree AV block
  • 3rd Degree AV block
  • Wenckebach

Question 160

Question
The arrhythmia on this link is called ____
Image:
04669c94-9456-40fa-a066-3b34a3e5e1d2.gif (image/gif)
Answer
  • VF
  • VT
  • IVR

Question 161

Question
The arrhythmia on this link is called ____
Image:
a4b7f7eb-bfe7-4547-a818-ae2755236c60.gif (image/gif)
Answer
  • 3rd Degree AV block
  • Mobitz II
  • Junctional
  • IVR

Question 162

Question
The arrhythmia on this link is called ____
Image:
3cd8bdd0-25b7-4e7e-90ef-0c9bcf374845.gif (image/gif)
Answer
  • NSR with PVC's
  • NSR with PAC's
  • Ventricular Trigeminy
  • Mobitz II

Question 163

Question
CAD modifiable risk factors include
Answer
  • smoking, diet
  • gender, age
  • exercise, genetics
  • diet, race

Question 164

Question
Occlusion of the LAD artery would result in
Answer
  • lateral wall MI
  • anterior wall MI
  • right atrial MI
  • posterior wall MI

Question 165

Question
Which one of the heart's layers is damaged with a non-Q wave MI?
Answer
  • Mesoderm
  • Endocardium
  • Epicardium
  • Myocardium

Question 166

Question
With angina and following MI, semi-fowler's position is preferred, to
Answer
  • reverse the necrotic destruction
  • increase autonomic nervous system activity
  • increase systemic oxygenation through lung expansion
  • reduce the Cardiac Output

Question 167

Question
Hepatomegaly occurs in RVF because
Answer
  • the spleen enlarges
  • the liver is necrotic
  • of increased pressure in the hepatic veins
  • of the development of arrhythmias

Question 168

Question
Following MI, the zone of injury
Answer
  • has irreversibly damaged cells
  • is necrotic
  • causes atrial depolarization
  • has jeopardized cell

Question 169

Question
The risk of CAD decreases with menopause
Answer
  • True
  • False

Question 170

Question
CAD indicates
Answer
  • heart failure
  • decreased coronary artery blood flow
  • the presence of arrhythmias
  • MI

Question 171

Question
Stable angina pain usually subsides with
Answer
  • rest, nitroglycerine
  • morphine, oxygen
  • nitroglycerine, morphine
  • morphine, ASA

Question 172

Question
Pathological Q waves are
Answer
  • reflective of tissue ischemia
  • reflective of tissue injury
  • 25% the height of the R waves
  • all of the above

Question 173

Question
Decreasing preload in LVF can be accomplished with the use of
Answer
  • diuretics
  • morphine
  • vasodilators
  • all of the above

Question 174

Question
Obese people and patients who rarely exercise are more prone to
Answer
  • elevated HDL's
  • decreased HDL's

Question 175

Question
Cessation of pain following an 'anginal attack' indicates that
Answer
  • platelets are no longer adhering to the arteries
  • arrhythmias have developed
  • myocardial oxygen needs are met
  • myocardial tissues are fully necrotic

Question 176

Question
The LV lateral wall MI is secondary to occlusion of the
Answer
  • positive artery
  • lateral vein
  • RCA
  • circumflex artery

Question 177

Question
The ECG sign of tissue necrosis is
Answer
  • the development of ventricular rhythms
  • bradycardia
  • pathological Q waves
  • ST segment changes

Question 178

Question
Not monitoring the control and balance of systemic fluid can result in
Answer
  • hyponatremia
  • hypokalemia
  • dehydration
  • any of the above

Question 179

Question
HDLs are
Answer
  • elevated in consumers of moderate amounts of wine
  • metabolized by the liver
  • sometimes called the 'good' lipoprotein
  • all of the above

Question 180

Question
Following plaque rupture, the following components begin to adhere to the plaque
Answer
  • fibrin, thrombin
  • platelets, fibrin
  • thrombin, platelets
  • platelets, thrombin, fibrin

Question 181

Question
Chest pain experienced with unstable angina
Answer
  • is predictable and reproducible
  • is always relieved with nitroglycerine
  • occurs more frequently and with less effort
  • always lasts less than five minutes

Question 182

Question
Tachycardia in LVF develops
Answer
  • due to enhanced vagal activity
  • to improve the CO
  • to limit the SV
  • all of the above

Question 183

Question
Isolated RVF is more common following
Answer
  • inferior wall MI
  • lateral wall MI
  • anterior wall MI
  • right ventricular MI

Question 184

Question
CAD symptoms generally begin to occur when the coronary arteries are about ____ % occluded
Answer
  • 25
  • 50
  • 75
  • 85

Question 185

Question
Nitroglycerine reduces afterload by
Answer
  • increasing venous capacitance
  • decreasing venous capacitance
  • increasing systemic vascular resistance
  • decreasing systeming vascular resistance

Question 186

Question
In left sided heart failure
Answer
  • blood flow from the RA to the LA is impeded
  • LA pressure decreases
  • the RV has injured cells
  • pulmonary venous pressure increases

Question 187

Question
Elevated HDL levels would most likely be found in
Answer
  • diabetics
  • pre-menopausal women
  • cigarette smokers
  • overweight patients

Question 188

Question
During the initial acute phase of an MI, oxygen is administered
Answer
  • when ventricular arrhythmias are imminent
  • when AV blocks develop
  • when the patient complains of chest pain
  • Always

Question 189

Question
Elevated JVP is seen in RVF because of
Answer
  • increased LV pressure
  • increased superior vena cava pressure
  • increased thrombi formation
  • increased pulmonary venous pressure

Question 190

Question
The personality type that is most prone to CAD is known as a type ____ personality
Answer
  • A
  • B
  • C
  • D

Question 191

Question
Provoking factors for MI can be
Answer
  • the same as those for stable angina
  • the same as those for unstable angina
  • absent (no obvious provoking factors)
  • all of the above

Question 192

Question
Decreased CO in LVF results from
Answer
  • right ventricular failure
  • decreased vagal activity and hyponatremia
  • ST segment and T wave changes
  • decreased LV compliance and SV

Question 193

Question
The first intervention in pulmonary edema should always be
Answer
  • diuretic therapy
  • oxygen therapy
  • vasodilatation
  • controlling arrhythmias

Question 194

Question
The patient in PEA
Answer
  • requires CPR
  • displays electrical activity on the cardiac monitor
  • has no palpable pulse
  • all of the above

Question 195

Question
The main goal in cardiac tamponade is to
Answer
  • enhance SNS dominance
  • decrease AV conduction
  • enhance AV node automaticity
  • decrease pressure within the pericardial sac

Question 196

Question
The compensatory SNS effect in cardiogenic shock is temporary because
Answer
  • all the heart's valves are necrotic
  • the SV cannot increase further to help improve the CO
  • pulses are not palpable
  • fluid interferes with oxygenation

Question 197

Question
Dopamine can be part of the treatment plan in cardiogenic shock to
Answer
  • improve systolic BP
  • cause vasoconstriction
  • improve myocardial contractility
  • all of the above

Question 198

Question
Serious and sinister arrhythmias can occur in pulmonary edema because
Answer
  • electrical conduction structures are poorly oxygenated
  • of increased pressure in the pericardial sac
  • there is no electrical activity
  • of increased myocardial contractility

Question 199

Question
In cardiac tamponade, blood ejected during ventricular systole is decreased
Answer
  • True
  • False

Question 200

Question
Ventricular rupture can occur following
Answer
  • transmural inferior wall MI
  • transmural anterior wall MI
  • transmural lateral wall MI
  • any transmural MI

Question 201

Question
Heparin induced cardiac tamponade is treated with
Answer
  • cardioversion
  • defibrillation
  • heparin
  • protamine sulfate

Question 202

Question
In cardiogenic shock, urine volume
Answer
  • decreases
  • increases
  • remains unchanged

Question 203

Question
Blood tinged sputum in pulmonary edema results from
Answer
  • changes in clotting factors
  • hemorrhages in the pulmonary system
  • airway narrowing
  • increased pressure in the RA

Question 204

Question
The signs or features known as Beck's triad are
Answer
  • elevated JVP, muffled heart sounds, pulsus paradoxus
  • elevated JVP, hypotension, pulsus paradoxus
  • narrowed pulse pressure, hypotension, muffled heart sounds
  • muffled heart sounds, tachycardia, hypotension

Question 205

Question
Cardiogenic shock
Answer
  • results in extensive organ underperfusion
  • only develops secondary to MI
  • causes venous oxygenation to increase
  • all of the above

Question 206

Question
Morphine is effective in pulmonary edema because it
Answer
  • alleviates arrhythmias
  • increases the HR
  • reduces preload
  • improves myocardial contractility

Question 207

Question
In cardiac tamponade
Answer
  • diastolic ejection is impaired
  • diastolic filling is impaired
  • systolic ejection is normal
  • systolic filling is normal

Question 208

Question
The patient in pulmonary edema will most likely develop
Answer
  • bradycardia
  • tachycardia
  • a slow ventricular rhythm
  • third degree block

Question 209

Question
In cardiogenic shock, fluids are
Answer
  • limited to prevent marked hypotension
  • infused to maintain intravascular volume
  • limited to prevent overloading the kidneys
  • infused to counteract hypertension

Question 210

Question
Sodium bicarbonate might be administered in cardiogenic shock to
Answer
  • control the HR
  • reverse acidosis
  • reverse alkalosis
  • control ventricular ectopic activity

Question 211

Question
To improve CO in pulmonary edema
Answer
  • the SV increases
  • the HR increases
  • preload increases
  • afterload increases

Question 212

Question
Fluid accumulation within the pericardial sac leading to cardiac tamponade, can develop
Answer
  • very slowly
  • very rapidly
  • slowly or rapidly

Question 213

Question
In cardiogenic shock, the
Answer
  • systolic and diastolic BP increase concurrently
  • systolic and diastolic BP fall concurrently
  • systolic BP falls before the diastolic BP
  • diastolic BP falls before the systolic BP

Question 214

Question
Patients in cardiogenic shock develop anginal chest pain because of
Answer
  • the development of sinister arrhythmias
  • coronary artery underperfusion
  • hypertension
  • tachycardia secondary to SNS stimulation

Question 215

Question
Decreasing the respiratory rate in pulmonary edema will help to
Answer
  • decrease preload
  • decrease afterload
  • improve cardiac contractility
  • increase the HR

Question 216

Question
Myocardial injury associated with cardiac tamponade is reflected by
Answer
  • absent P waves
  • Q waves
  • ST segment changes
  • prolonged PR intervals

Question 217

Question
Tachycardia occurs in cardiac tamponade to
Answer
  • encourage narrowing of pulse pressure
  • increase venous return
  • compensate for the decreased SV
  • promote ventricular ectopic activity

Question 218

Question
To promote healthy elimination following MI, the following is administered
Answer
  • stool softeners
  • enemas
  • suppositories
  • all of the above

Question 219

Question
It is common to hear an ____ when auscultating the patient in pulmonary edema
Answer
  • S4
  • S3

Question 220

Question
Pulse pressure refers to the difference between the
Answer
  • standing and sitting blood pressures
  • arterial and venous blood pressures
  • systolic and diastolic blood pressures

Question 221

Question
Diuretics administered to the cardiac patient can
Answer
  • decrease preload
  • improve urinary output
  • cause hypotension
  • all of the above

Question 222

Question
In pulmonary edema, airflow ____ the alveoli is diminished
Answer
  • to
  • from
  • to and from
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