Quiz
Chapter 26
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Perguntas do quiz (40)
1The nurse is caring for a patient who has had an ECG. The nurse notes that leads I, II, and III differ from one another on the cardiac rhythm strip. How should the nurse best respond?
- ARecognize that the view of the electrical current changes in relation to the lead placement.
- BRecognize that the electrophysiological conduction of the heart differs with lead placement.
- CInform the technician that the ECG equipment has malfunctioned.
- DInform the physician that the patient is experiencing a new onset of dysrhythmia.
2The nurse is analyzing a rhythm strip. What component of the ECG corresponds to the resting state of the patient’s heart?
- AP wave
- BT wave
- CU wave
- DQRS complex
3The nursing educator is presenting a case study of an adult patient who has abnormal ventricular depolarization. This pathologic change would be most evident in what component of the ECG?
- AP wave
- BT wave
- CQRS complex
- DU wave
4An adult patient with third-degree AV block is admitted to the cardiac care unit and placed on continuous cardiac monitoring. What rhythm characteristic will the ECG most likely show?
- APP interval & RR interval are irregular
- BPP interval is equal to RR interval
- CFewer QRS complexes than P waves
- DPR interval is constant
5The nurse is writing a plan of care for a patient with a cardiac dysrhythmia. What would be the most appropriate goal for the patient?
- AMaintain a resting heart rate below 70 bpm.
- BMaintain adequate control of chest pain.
- CMaintain adequate cardiac output.
- DMaintain normal cardiac structure.
6A patient has returned to the cardiac care unit after having a permanent pacemaker implantation. For which potential complication should the nurse most closely assess this patient?
- AChest pain
- BBleeding at the implantation site
- CMalignant hyperthermia
- DBradycardia
7A patient the nurse is caring for has a permanent pacemaker implanted with the identification code beginning with VVI. What does this indicate?
- AVentricular paced, ventricular sensed, inhibited
- BVariable paced, ventricular sensed, inhibited
- CVentricular sensed, ventricular situated, implanted
- DVariable sensed, variable paced, inhibited
8The nurse is caring for an adult patient who has gone into ventricular fibrillation. When assisting with defibrillating the patient, what must the nurse do?
- AMaintain firm contact between paddles and patient skin.
- BApply a layer of water as a conducting agent.
- CCall “all clear” once before discharging the defibrillator.
- DEnsure the defibrillator is in the sync mode.
9A patient who is a candidate for an implantable cardioverter defibrillator (ICD) asks the nurse about the purpose of this device. What would be the nurse’s best response?
- A“To detect and treat dysrhythmias such as ventricular fibrillation and ventricular tachycardia”
- B“To detect and treat bradycardia, which is an excessively slow heart rate”
- C“To detect and treat atrial fibrillation, in which your heart beats too quickly and inefficiently”
- D“To shock your heart if you have a heart attack at home”
10A nurse is providing health education to a patient scheduled for cryoablation therapy. The nurse should describe what aspect of this treatment?
- APeeling away the area of endocardium responsible for the dysrhythmia
- BUsing electrical shocks directly to the endocarduim to eliminate the source of dysrhythmia
- CUsing high-frequency sound waves to eliminate the source of dysrhythmia
- DUsing a cooled probe to eliminate the source of dysrhythmia
11The nurse is caring for a patient who has just had an implantable cardioverter defibrillator (ICD) placed. What is the priority area for the nurse’s assessment?
- AAssessing the patient’s activity level
- BFacilitating transthoracic echocardiography
- CVigilant monitoring of the patient’s ECG
- DClose monitoring of the patient’s peripheral perfusion
12During a patient’s care conference, the team is discussing whether the patient is a candidate for cardiac conduction surgery. What would be the most important criterion for a patient to have this surgery?
- AAngina pectoris not responsive to other treatments
- BDecreased activity tolerance related to decreased cardiac output
- CAtrial and ventricular tachycardias not responsive to other treatments
- DVentricular fibrillation not responsive to other treatments
13A nurse is caring for a patient who is exhibiting ventricular tachycardia (VT). Because the patient is pulseless, the nurse should prepare for what intervention?
- ADefibrillation
- BECG monitoring
- CImplantation of a cardioverter defibrillator
- DAngioplasty
14A patient converts from normal sinus rhythm at 80 bpm to atrial fibrillation with a ventricular response at 166 bpm. Blood pressure is 162/74 mm Hg. Respiratory rate is 20 breaths per minute with normal chest expansion and clear lungs bilaterally. IV heparin and Cardizem are given. The nurse caring for the patient understands that the main goal of treatment is what?
- ADecrease SA node conduction
- BControl ventricular heart rate
- CImprove oxygenation
- DMaintain anticoagulation
15The nurse and the other members of the team are caring for a patient who converted to ventricular fibrillation (VF). The patient was defibrillated unsuccessfully and the patient remains in VF. According to national standards, the nurse should anticipate the administration of what medication?
- AEpinephrine 1 mg IV push
- BLidocaine 100 mg IV push
- CAmiodarone 300 mg IV push
- DSodium bicarbonate 1 amp IV push
16The nurse is planning discharge teaching for a patient with a newly inserted permanent pacemaker. What is the priority teaching point for this patient?
- AStart lifting the arm above the shoulder right away to prevent chest wall adhesion.
- BAvoid cooking with a microwave oven.
- CAvoid exposure to high-voltage electrical generators.
- DAvoid walking through store and library antitheft devices.
17A patient is brought to the ED and determined to be experiencing symptomatic sinus bradycardia. The nurse caring for this patient is aware the medication of choice for treatment of this dysrhythmia is the administration of atropine. What guidelines will the nurse follow when administering atropine?
- AAdminister atropine 0.5 mg as an IV bolus every 3 to 5 minutes to a maximum of 3.0 mg.
- BAdminister atropine as a continuous infusion until symptoms resolve.
- CAdminister atropine as a continuous infusion to a maximum of 30 mg in 24 hours.
- DAdminister atropine 1.0 mg sublingually.
18An ECG has been ordered for a newly admitted patient. What should the nurse do prior to electrode placement?
- AClean the skin with providone-iodine solution.
- BEnsure that the area for electrode placement is dry.
- CApply tincture of benzoin to the electrode sites and wait for it to become “tacky.”
- DGently abrade the skin by rubbing the electrode sites with dry gauze or cloth.
19The nurse is caring for a patient who has just undergone catheter ablation therapy. The nurse in the step-down unit should prioritize what assessment?
- ACardiac monitoring
- BMonitoring the implanted device signal
- CPain assessment
- DMonitoring the patient’s level of consciousness (LOC)
20The ED nurse is caring for a patient who has gone into cardiac arrest. During external defibrillation, what action should the nurse perform?
- APlace gel pads over the apex and posterior chest for better conduction.
- BEnsure no one is touching the patient at the time shock is delivered.
- CContinue to ventilate the patient via endotracheal tube during the procedure.
- DAllow at least 3 minutes between shocks.
21A group of nurses are participating in orientation to a telemetry unit. What should the staff educator tell this class about ST segments?
- AThey are the part of an ECG that reflects systole.
- BThey are the part of an ECG used to calculate ventricular rate and rhythm.
- CThey are the part of an ECG that reflects the time from ventricular depolarization through repolarization.
- DThey are the part of an ECG that represents early ventricular repolarization.
22The nurse is providing care to a patient who has just undergone an electrophysiologic (EP) study. The patient states that she is nervous about “things going wrong” during the procedure. What is the nurse’s best response?
- A“This is basically a risk-free procedure.”
- B“Thousands of patients undergo EP every year.”
- C“Remember that this is a step that will bring you closer to enjoying good health.”
- D“The whole team will be monitoring you very closely for the entire procedure.”
23New nurses on the telemetry unit have been paired with preceptors. One new nurse asks her preceptor to explain depolarization. What would be the best answer by the preceptor?
- A“Depolarization is the mechanical contraction of the heart muscles.”
- B“Depolarization is the electrical stimulation of the heart muscles.”
- C“Depolarization is the electrical relaxation of the heart muscles.”
- D“Depolarization is the mechanical relaxation of the heart muscles.”
24A cardiac care nurse is aware of factors that result in positive chronotropy. These factors would affect a patient’s cardiac function in what way?
- AExacerbating an existing dysrhythmia
- BInitiating a new dysrhythmia
- CResolving ventricular tachycardia
- DIncreasing the heart rate
25The nurse is caring for a patient with refractory atrial fibrillation who underwent the maze procedure several months ago. The nurse reviews the result of the patient’s most recent cardiac imaging, which notes the presence of scarring on the atria. How should the nurse best respond to this finding?
- ARecognize that the procedure was unsuccessful.
- BRecognize this as a therapeutic goal of the procedure.
- CLiaise with the care team in preparation for repeating the maze procedure.
- DPrepare the patient for pacemaker implantation.
26A patient is scheduled for catheter ablation therapy. When describing this procedure to the patient’s family, the nurse should address what aspect of the treatment?
- AResetting of the heart’s contractility
- BDestruction of specific cardiac cells
- CCorrection of structural cardiac abnormalities
- DClearance of partially occluded coronary arteries
27A patient has undergone diagnostic testing and received a diagnosis of sinus bradycardia attributable to sinus node dysfunction. When planning this patient’s care, what nursing diagnosis is most appropriate?
- AAcute pain
- BRisk for unilateral neglect
- CRisk for activity intolerance
- DRisk for fluid volume excess
28The nurse is caring for a patient on telemetry. The patient’s ECG shows a shortened PR interval, slurring of the initial QRS deflection, and prolonged QRS duration. What does this ECG show?
- ASinus bradycardia
- BMyocardial infarction
- CLupus-like syndrome
- DWolf-Parkinson-White (WPW) syndrome
29A patient is undergoing preoperative teaching before his cardiac surgery and the nurse is aware that a temporary pacemaker will be placed later that day. What is the nurse’s responsibility in the care of the patient’s pacemaker?
- AMonitoring for pacemaker malfunction or battery failure
- BDetermining when it is appropriate to remove the pacemaker
- CMaking necessary changes to the pacemaker settings
- DSelecting alternatives to future pacemaker use
30The nurse caring for a patient whose sudden onset of sinus bradycardia is not responding adequately to atropine. What might be the treatment of choice for this patient?
- AImplanted pacemaker
- BTrancutaneous pacemaker
- CICD
- DAsynchronous defibrillator
31The nurse is caring for a patient who has had a dysrhythmic event. The nurse is aware of the need to assess for signs of diminished cardiac output (CO). What change in status may signal to the nurse a decrease in cardiac output?
- AIncreased blood pressure
- BBounding peripheral pulses
- CChanges in level of consciousness
- DSkin flushing
32Following cardiac resuscitation, a patient has been placed in a state of mild hypothermia before being transferred to the cardiac intensive care unit. The nurse’s assessment reveals that the patient is experiencing neuromuscular paralysis. How should the nurse best respond?
- AAdminister hypertonic IV solution.
- BAdminister a bolus of warned normal saline.
- CReassess the patient in 15 minutes.
- DDocument this as an expected assessment finding.
33The nurse is caring for a patient who has had a biventricular pacemaker implanted. When planning the patient’s care, the nurse should recognize what goal of this intervention?
- AResynchronization
- BDefibrillation
- CAngioplasty
- DAblation
34When planning the care of a patient with an implanted pacemaker, what assessment should the nurse prioritize?
- ACore body temperature
- BHeart rate and rhythm
- CBlood pressure
- DOxygen saturation level
35The nurse is assessing a patient who had a pacemaker implanted 4 weeks ago. During the patient’s most recent follow-up appointment, the nurse identifies data that suggest the patient may be socially isolated and depressed. What nursing diagnosis is suggested by these data?
- ADecisional conflict related to pacemaker implantation
- BDeficient knowledge related to pacemaker implantation
- CSpiritual distress related to pacemaker implantation
- DIneffective coping related to pacemaker implantation
36The nurse is caring for a patient who is in the recovery room following the implantation of an ICD. The patient has developed ventricular tachycardia (VT). What should the nurse assess and document?
- AECG to compare time of onset of VT and onset of device’s shock
- BECG so physician can see what type of dysrhythmia the patient has
- CPatient’s level of consciousness (LOC) at the time of the dysrhythmia
- DPatient’s activity at time of dysrhythmia
37The staff educator is teaching a CPR class. Which of the following aspects of defibrillation should the educator stress to the class?
- AApply the paddles directly to the patient’s skin.
- BUse a conducting medium between the paddles and the skin.
- CAlways use a petroleum-based gel between the paddles and the skin.
- DAny available liquid can be used between the paddles and the skin.
38During a CPR class, a participant asks about the difference between cardioversion and defibrillation. What would be the instructor’s best response?
- A“Cardioversion is done on a beating heart; defibrillation is not.”
- B“The difference is the timing of the delivery of the electric current.”
- C“Defibrillation is synchronized with the electrical activity of the heart, but cardioversion is not.”
- D“Cardioversion is always attempted before defibrillation because it has fewer risks.”
39A patient is admitted to the cardiac care unit for an electrophysiology (EP) study. What goal should guide the planning and execution of the patient’s care?
- AAblate the area causing the dysrhythmia.
- BFreeze hypersensitive cells.
- CDiagnose the dysrhythmia.
- DDetermine the nursing plan of care.
40A patient calls his cardiologist’s office and talks to the nurse. He is concerned because he feels he is being defibrillated too often. The nurse tells the patient to come to the office to be evaluated because the nurse knows that the most frequent complication of ICD therapy is what?
- AInfection
- BFailure to capture
- CPremature battery depletion
- DOversensing of dysrhythmias
Informações
- Descrição
- Nursing (Cardiac) Quiz sobre Chapter 26, criado por Jessica Levine em 06-10-2016.
- Autor
- Jessica Levine
- Idioma
- English
- Visualizações
- 185
- Etiquetas
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