Chapter 14

Question 1 of 31

1

What are the atria?

Select one of the following:

Receiving chambers for blood that has been returned to the heart by the veins
The part of the heart which recieves blood from all body tissues except the lungs
They pump blood via arteries to the lungs
They are sections of the heart which carry oxygenated blood

Explanation

Question 2 of 31

1

The blood flows from the ❌ to the ❌ and from there to the lungs (via the ❌)

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right atrium

right ventricle

pulmonary artery

Explanation

Question 3 of 31

1

The ❌ (from from the upper body), the ❌ (blood from the lower body) and the ❌ (blood from the heart itself) are the veins that bring blood to the right atrium.

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superior vena cava

inferior vena cava

coronary sinus blood

Explanation

Question 4 of 31

1

Fill the blank spaces to complete the text.

In the lungs, is removed from the blood and is added.

Explanation

Question 5 of 31

1

Oxygenated blood is returned to the ❌ by four ❌, and from there it goes to the ❌ (❌ stops return), which then pumps the oxygenated blood through the ❌ to the rest of the body.

Drag and drop to complete the text.

left atrium

pulmonary veins

left ventricle

valve

aorta

Explanation

Question 6 of 31

1

The human heart normally contracts at a rate of about how many beats per minute?

Select one of the following:

56
72
83
102

Explanation

Question 7 of 31

1

A pacemaker is located where?

Select one of the following:

Rear wall of right atrium
Rear wall of left atrium
Rear wall of right ventricle
Rear wall of left ventricle

Explanation

Question 8 of 31

1

A pacemaker has a regular electrical discharge which produces the normal rhythmic contraction of the entire heart, at how many BPM by itself?

Select one of the following:

72
83
104
120

Explanation

Question 9 of 31

1

Ventricular contraction begins:

Select one of the following:

Shortly after Q wave
Shortly after R wave
Just before the Q wave
Just before the R wave
Shortly after the S wave
Just before the S wave
Shortly after the T wave
Just before the T wave

Explanation

Question 10 of 31

1

Select from the dropdown lists to complete the text.

The contraction phase of the heart is known as ( systole, diastole ), whereas the relaxation phase is termed ( diastole, systole ).

Explanation

Question 11 of 31

1

Which is the transmitter for the parasympathetic system?

Select one of the following:

Acetylcholine
Norepinephrine
Baroreceptors
Vagus

Explanation

Question 12 of 31

1

What is the transmitter for the sympathetic system?

Select one of the following:

Acetylcholine
Nerepinephrine
Baroreceptor
Vagus

Explanation

Question 13 of 31

1

Vagal inhibition of the SA node normally increases HR

Select one of the following:

True
False

Explanation

Question 14 of 31

1

Vagal withdrawal may increase HR

Select one of the following:

True
False

Explanation

Question 15 of 31

1

Select from the dropdown lists to complete the text.

HR output ( increases, decreases ) via the ( increase, decrease ) in rate of S-A node discharge, the ( increased, decreased ) in excitability of cardiac tissue, and the ( increase, decrease ) in contraction force (atrial & ventricular). The SNS also acts to ( increase, decrease ) cardiac output in certain emotional situations or at extreme levels of exercise.

Explanation

Question 16 of 31

1

Baroreceptors are located in the carotid sinus in the neck.

Select one of the following:

True
False

Explanation

Question 17 of 31

1

When pressure on the walls of the ❌ is low because of ❌ blood pressure, this information is transmitted to a cardiac ❌ center in the ❌. SNS ❌ cardiac output in response are present in the carotid sinus (❌ refers to the amount of blood pumped by the heart).

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carotid sinus

decreased

increased

acceleration

deceleration

medulla

increases

decreases

cardiac output

Explanation

Question 18 of 31

1

RSA is the natural cycle of ❌ that occurs through the influence of ❌ on the flow of ❌ and vagal impulses to the ❌

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arrhythmia

sympathetic

sinoatrial node

breathing

Explanation

Question 19 of 31

1

Select from the dropdown lists to complete the text.

R-R interval is ( shortened, lengthened ) during inspiration and ( prolonged, reduced ) during expiration.

Explanation

Question 20 of 31

1

The relatively small ______ wave is produced by electrical currents generated just before contraction of the atria.

Select one of the following:

P
T
S
Q
R

Explanation

Question 21 of 31

1

The R wave is the most prominent component of the QRS component.

Select one of the following:

True
False

Explanation

Question 22 of 31

1

The T wave is caused by re-polarisation of the?

Select one of the following:

Ventricles
Atrium
Aorta
Carotid sinus

Explanation

Question 23 of 31

1

Lead 1 is placed:

Select one of the following:

Right arm, left arm
Right arm, left leg
Left arm, left leg
Left arm, right leg

Explanation

Question 24 of 31

1

Select from the dropdown lists to complete the text.

For lead 1, The polarity is selected so that when the left arm lead is ( positive, negative ), with respect to the right, there is an ( upward, downward ) deflection of the P and R segments
of the ECG.

Explanation

Question 25 of 31

1

Lead II is attached to:

Select one of the following:

Right arm, left arm
Right arm, left leg
Left arm, Left leg
Its just not attached

Explanation

Question 26 of 31

1

Lead III is attached to:

Select one of the following:

Right arm, left arm
Right arm, left leg
Left arm, left leg
There is no lead III

Explanation

Question 27 of 31

1

How many chest electrodes are there?

Select one of the following:

5
6
7
8

Explanation

Question 28 of 31

1

The frequency of RSA has a range of:

Select one of the following:

0.15-0.4 Hz
0.4-0.6 Hz
0.25-0.5 Hz
None of the above

Explanation

Question 29 of 31

1

RSA is considered a marker for vagal control.

Select one of the following:

True
False

Explanation

Question 30 of 31

1

In ❌ activities, HR ❌ and SCL increase; in ❌ activities, HR ❌ and SCL increase

Drag and drop to complete the text.

increase

decrease

cognitive

perceptual

Explanation

Question 31 of 31

1

Cardiac deceleration facilitates stimulus “rejection” whereas cardiac acceleration facilitates stimulus “intake”.

Select one of the following:

True
False

	Created by Rachel Calver over 7 years ago

Chapter 14 quiz

Question 1 of 31

What are the atria?

Select one of the following:

Explanation

Question 2 of 31

The blood flows from the ❌ to the ❌ and from there to the lungs (via the ❌)

Drag and drop to complete the text.

Explanation

Question 3 of 31

The ❌ (from from the upper body), the ❌ (blood from the lower body) and the ❌ (blood from the heart itself) are the veins that bring blood to the right atrium.

Drag and drop to complete the text.

Explanation

Question 4 of 31

Fill the blank spaces to complete the text.

In the lungs, is removed from the blood and is added.

Explanation

Question 5 of 31

Oxygenated blood is returned to the ❌ by four ❌, and from there it goes to the ❌ (❌ stops return), which then pumps the oxygenated blood through the ❌ to the rest of the body.

Drag and drop to complete the text.

Explanation

Question 6 of 31

The human heart normally contracts at a rate of about how many beats per minute?

Select one of the following:

Explanation

Question 7 of 31

A pacemaker is located where?

Select one of the following:

Explanation

Question 8 of 31

A pacemaker has a regular electrical discharge which produces the normal rhythmic contraction of the entire heart, at how many BPM by itself?

Select one of the following:

Explanation

Question 9 of 31

Ventricular contraction begins:

Select one of the following:

Explanation

Question 10 of 31

Select from the dropdown lists to complete the text.

The contraction phase of the heart is known as systole diastole( systole, diastole ), whereas the relaxation phase is termed diastole systole( diastole, systole ).

Explanation

Question 11 of 31

Which is the transmitter for the parasympathetic system?

Select one of the following:

Explanation

Question 12 of 31

What is the transmitter for the sympathetic system?

Select one of the following:

Explanation

Question 13 of 31

Vagal inhibition of the SA node normally increases HR

Select one of the following:

Explanation

Question 14 of 31

Vagal withdrawal may increase HR

Select one of the following:

Explanation

Question 15 of 31

Select from the dropdown lists to complete the text.

Explanation

Question 16 of 31

Baroreceptors are located in the carotid sinus in the neck.

Select one of the following:

Explanation

Question 17 of 31

When pressure on the walls of the ❌ is low because of ❌ blood pressure, this information is transmitted to a cardiac ❌ center in the ❌. SNS ❌ cardiac output in response are present in the carotid sinus (❌ refers to the amount of blood pumped by the heart).

Drag and drop to complete the text.

Explanation

Question 18 of 31

RSA is the natural cycle of ❌ that occurs through the influence of ❌ on the flow of ❌ and vagal impulses to the ❌

Drag and drop to complete the text.

Explanation

Question 19 of 31

Select from the dropdown lists to complete the text.

R-R interval is shortened lengthened( shortened, lengthened ) during inspiration and prolonged reduced( prolonged, reduced ) during expiration.

Explanation

Question 20 of 31

The relatively small ______ wave is produced by electrical currents generated just before contraction of the atria.

Select one of the following:

The contraction phase of the heart is known as ( systole, diastole ), whereas the relaxation phase is termed ( diastole, systole ).

R-R interval is ( shortened, lengthened ) during inspiration and ( prolonged, reduced ) during expiration.

For lead 1, The polarity is selected so that when the left arm lead is ( positive, negative ), with respect to the right, there is an ( upward, downward ) deflection of the P and R segments
of the ECG.