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Conduction of the Heart

Total questions: 86

Worksheet time: 58mins

Name
Class
Date
1.

The muscular middle layer of the heart is called the

a)

epicardium

b)

myocardium

c)

pericardium

d)

endocardium

2.

What area of the heart's electrical conduction is known as the "pacemaker" of the heart?

a)

Purknife fibers

b)

SA node

c)

Bundle of his

d)

Bachmann's bundle

3.

What area of the heart is responsible for the delay of conduction between the atrium and ventricles?

a)

Right bundle branch

b)

AV node

c)

Bundle of his

d)

Bachmann bundle

4.

True or False: Depolarization of the heart muscle is when the muscle contracts and repolarization is when the heart muscle rests.

a)

True

b)

False

5.

The SA node fires at a rate of

a)

40-60 bpm

b)

80-90 bpm

c)

60-80 bpm

d)

60-100 bpm

6.

What part of the heart's electrical system is known as the "gatekeeper?"

a)

AV node

b)

Gap junction

c)

Tetany

d)

SA node

7.

True and False: The SA node is located in the left atrium.

a)

True

b)

False

8.

What is the correct sequence of electrical conduction of the heart?

a)

AV node, internodal pathways, SA node, Bundle of his, right and left bundle branch, Purkinje fibers.

b)

SA node, internodal pathways, AV node, Purkinje fibers, right and left bundle branches, Bundle of his.

c)

SA node, internodal pathways, AV node, Bundle of his, right and left bundle branches, Purkinje fibers.

d)

None of the options are correct.

9.

The sounds made by the heart are due the contractions of the atria and ventricles.

a)

True

b)

False

10.

What is the delivery of blood to and from the heart itself called?

a)

coronary circulation

b)

pulmonary circulation

c)

systemic circulation

d)

cardiac circulation

11.

What is the volume of blood ejected by the ventricle in one minute called?

a)

stroke volume

b)

cardiac cycle

c)

coronary volume

d)

cardiac output

12.

What part of the hearts conduction system is shown in the diagram?

a)

SA node

b)

AV Node

c)

AV bundle

d)

Purkinje Fibers

13.

What part of the hearts conduction system is shown in the diagram?

a)

SA node

b)

AV Node

c)

AV bundle

d)

Purkinje Fibers

14.

What part of the hearts conduction system is shown in the diagram?

a)

SA node

b)

AV Node

c)

AV bundle

d)

Purkinje Fibers

15.

What part of the hearts conduction system is shown in the diagram?

a)

SA node

b)

AV Node

c)

AV bundle

d)

Purkinje Fibers

16.

What part of the hearts electrical conduction system "receives" the impulse from the nervous system telling it to contract?

a)

SA Node

b)

AV Node

c)

AV Bundle

d)

Purkinje Fibers

17.

What part of the hearts electrical conduction system "delays" the impulse from the atria to the ventricles?

a)

SA Node

b)

AV Node

c)

AV Bundle

d)

Purkinje Fibers

18.

What part of the hearts electrical conduction system is found in the hearts septum and conveys impulses toward the ventricles?

a)

SA Node

b)

AV Node

c)

AV Bundle

d)

Purkinje Fibers

19.

What part of the hearts electrical conduction system is found in the ventricle muscle walls and is what causes them to contract?

a)

SA Node

b)

AV Node

c)

AV Bundle

d)

Purkinje Fibers

20.
The two superior receiving chambers of the heart are known as the _________
a)
atria
b)
ventricles
21.
The valves between the atria and ventricles are known as the ________ valves.
a)
atrioventricular
b)
aortic
c)
semilunar
d)
pulmonary
22.
Blood leaves the right ventricle through the ___________.
a)
pulmonary trunk
b)
aorta
c)
superior vena cava
d)
coronary sinus
23.
Large blood vessels that carry blood away from the heart are called:
a)
arteries
b)
capillaries
c)
veins
d)
venae cavae
24.
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
a)
right ventricle to right atrium
b)
left ventricle to left atrium
c)
left atrium to the right atrium
d)
right atrium to the left atrium
25.
The sinoatrial node is located in the ________.
a)
aorta
b)
right atrium
c)
left atrium
d)
right ventricle
26.
The heart sounds "lub" and "dup" result from ________. 
a)
opening of the heart valves
b)
firing of the nodes of the intrinsic conduction system
c)
blood rushing through the chambers
d)
closure of heart valves
27.
 This triggers contraction in the atria
a)
SA node
b)
AV node
c)
QT node
d)
AV Bundles
28.
 This triggers contraction in the ventricle
a)
SA node
b)
AV node
c)
QT node
d)
AV Bundles
29.
Why are the walls of the left ventricle thicker than that of the right ventricle?
a)
The left ventricle must force blood into all the capillaries of the lungs 
b)
the left ventricle doesn't skip leg day
c)
This is false, the walls of the right ventricle are thicker
d)
Blood from the left ventricle is pumped throught the entire body 
30.
Blood in arteries is always oxygenated
a)
True
b)
False
c)
The Lusitania
d)
Supply an Demand
31.
Circulation involving the lungs
a)
Pulmonary Circulation
b)
Cutaneous Circulation
c)
Systemic Circulation
d)
Cardiac Convendency 
32.
The outer layer of the heart that is basically a fluid filled sac
a)
Pericardium
b)
Myocardium
c)
Endocardium
d)
Osteocardium
33.
Muscular middle layer
a)
Pericardium
b)
Myocardium
c)
Endocardium
d)
Osteocardium
34.
Smooth inner layer
a)
Pericardium
b)
Myocardium
c)
Endocardium
d)
Osteocardium
35.
What part of the heart delivers unoxygenated blood to the lungs?
a)
Pulmonary artery
b)
Pulmonary vein
c)
Aorta
d)
Left ventricle
36.

True or False: The mitral valve is located on the left side of the heart.

a)

True

b)

False

37.
What part of the heart delivers richly oxygenated blood to the body?
a)
Aorta
b)
Superior vena cava
c)
Tricuspid valve
d)
Pulmonary artery
38.
True or False: Pulmonary veins take unoxygenated blood away from the heart.
a)
True
b)
False
39.
True or False: Blood flows in the following sequence in the heart: Superior vena cava/Inferior vena cava, right atrium, tricuspid valve, right ventricle, pulmonic valve, pulmonary artery, lungs, pulmonary veins, left atrium, bicuspid valve, left ventricle, aortic valve, aorta
a)
True
b)
False
40.
True or False: The atriums are located below the ventricles.
a)
True
b)
False
41.
Blood is pumped through the systemic circulation by the ___________.
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
42.
Blood is pumped through the pulmonary circulation by the _____________.
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
43.
Semilunar valves are found in between the _____________.
a)
left atrium and left ventricle
b)
right atrium and right ventricle
c)
pulmonary artery and aorta
44.
The tricuspid valve is found in between the _____________.
a)
left atrium and left ventricle
b)
right atrium and right ventricle
c)
pulmonary artery and aorta
45.
The mitral (bicuspid) valve is found in between the _____________.
a)
left atrium and left ventricle
b)
right atrium and right ventricle
c)
pulmonary artery and aorta
46.
Which blood vessel carries blood from the heart to the lungs to receive oxygen?
a)
Aorta
b)
Vena cava
c)
Pulmonary artery
d)
Pulmonary vein
47.
What separates the left ventricle and left atrium?
a)
Septum
b)
Bicuspid valve
c)
Coronary artery
d)
Tricuspid valve
48.

The blood enters on the left side of the heart through the ______________ and enters the left atrium. It then passes through the _____________to enter the left ventricle.*

a)

pulmonary artery, mitral valve

b)

pulmonary vein, tricuspid valve

c)

pulmonary artery, aortic valve

d)

. pulmonary vein, bicuspid valve

49.

On the right side of the heart, blood flows from the right ventricle to the?

a)

Tricuspid valve to the pulmonary vein

b)

Pulmonic valve to the pulmonary artery

c)

Tricuspid valve to pulmonary artery

d)

Inferior vena cava to the aorta

50.

Blood goes to the systemic circulation

a)

through the aorta

b)

through the pulmonary artery

c)

through the pulmonary vein

d)

through the right ventricle

51.

The tricuspid valve is between

a)

the right ventricle and the pulmonary artery

b)

the right atrium and right ventricle

c)

the pulmonary artery and left ventricle

d)

the left atrium and left ventricle

52.

The left side of the heart

a)

separates oxygenated and deoxygenated blood before bringing it to the lungs

b)

pumps only deoxygenated blood

c)

pumps oxygenated blood only

d)

brings deoxygenated blood from the lungs to the body where it is oxygenated

53.

Which ventricle is larger?

a)

left

b)

right

c)

upper

d)

lower

54.

The left ventricle leads to the

a)

pulmonary veins and then the systemic circulation

b)

pulmonary artery and then the lungs

c)

aorta and then the lungs

d)

aorta and then the systemic circulation

55.

Which of the below is correct? Note you have a full minute for this question.

a)

Pulmonary artery - left atrium - left ventricle - aorta; Vena cava - right atrium - right ventricle - pulmonary vein

b)

Vena cava - left atrium - left ventricle - pulmonary vein; Aorta - right atrium - right ventricle - pulmonary artery

c)

Pulmonary vein - left ventricle - left atrium; Aorta - right atrium - right ventricle

d)

Pulmonary vein - left atrium - left ventricle - aorta; Vena cava - right atrium - right ventricle - pulmonary artery

56.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
57.
What is the main function of the heart ? 
a)
The heart circulates blood and oxygen throughout the body.
b)
The heart is the control centers for all body activities.
c)
The heart gets rid of the wastes in your body produced by homeostasis. 
d)
The heart transports , protection and regulation. Blood transports the following substances: 
58.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
59.

Which side of the heart carries poorly oxygenated (deoxygenated) blood?

a)

Right

b)

Left

60.

Vein that empties blood from the upper body into the upper right heart chamber

a)

Inferior Vena Cava

b)

Superior Vena Cava

c)

Pulmonary Veins

d)

Aortic veins

61.

The term "auscultate" means

a)

to touch

b)

to eat

c)

to listen

d)

to test

62.

Protective sac around the heart

a)

pleural cavity

b)

pericardium

c)

bubble wrap

d)

water sac

63.

Natural pace maker in the heart

a)

pace maker

b)

systemic maker

c)

pulmonary node

d)

sinoatrial node

64.

Sound of heart is caused by these close

a)

nodes

b)

vessels

c)

valves

d)

chambers

65.

Any sound the heart makes besides lub-dub is called a

a)

heart attack

b)

echo

c)

murmur

d)

twitch

66.

Largest artery is the

a)

aorta

b)

venae cavae

c)

capillary

67.

What puts O2 into the blood?

a)

heart

b)

lungs

c)

nose

68.

The nurse is assessing the client’s electrocardiography (ECG). What does the P wave on the ECG tracing represent?

a)

Contraction of the atria

b)

Contraction of the ventricles

c)

Depolarization of the atria

d)

Depolarization of the ventricles

69.

A patient has a normal heartbeat of 72 beats per minute. What area of the conduction system should the nurse consider as functioning normally in this patient?

a)

Bundle of His

b)

Sinoatrial node

c)

Purkinje’s fibers

d)

Atrioventricular node

70.

The nurse is determining the functioning of a patient’s sinoatrial node. How many times per minute should the nurse expect the node to normally fire?

a)

20 to 40

b)

25 to 55

c)

40 to 85

d)

60 to 100

71.
The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
a)
base
b)
mediastinum
c)
apex
d)
pericardium
72.
The term that means heart contraction is ________.
a)
diastole
b)
systole
c)
tachycardia
d)
fibrillation
73.
The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________ 
a)
Heart Rate
b)
Stroke Volume
c)
Cardiac Output
d)
Blood Pressure
74.
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
a)
right ventricle to right atrium
b)
left ventricle to left atrium
c)
left atrium to the right atrium
d)
right atrium to the left atrium
75.
The sinoatrial node is located in the ________.
a)
aorta
b)
right atrium
c)
left atrium
d)
right ventricle
76.
Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
a)
AV node, Bundle of His, SA node, Purkinje fibers, bundle branches
b)
SA node, AV node, Bundle of His, bundle branches, Purkinje fibers
c)
SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
d)
SA node, Bundle of His, bundle branches, Purkinje fibers, AV node
77.
If there is a sudden drop in blood pressure, what happens to the heart rate?
a)
Increases
b)
Decrease
c)
Returns to Normal
d)
Stays the same
78.

The rate of the Sinoatrial node is

a)

40-60 bpm

b)

60-80 bpm

c)

60-100 bpm

d)

20-40 bpm

79.

The nickname for the Atrioventricular node is

a)

the pacemaker

b)

the terminator

c)

the gatekeeper

d)

the baby maker

80.

What is commonly referred to as the hearts 'pacemaker'?

a)

Bundle of His

b)

Atrioventricular Node

c)

Sinoatrial Node

d)

Purkinje fibres

81.

What is the job of the atrioventricular node?

a)

Acts as a buffer/gate to slow the signal from the SAN

b)

Acts as the hearts pacemaker

c)

Makes the impulse 5x stronger

82.

The atrioventricular node (AVN) acts as a buffer and delays the impulse for approximately ....... to allow the atria to finish contracting

a)

0.2 seconds

b)

0.3 secons

c)

0.5 seconds

d)

0.1 seconds

83.

From the AV node the message then runs down the Bundle of His which is located in the....

a)

Atrial walls

b)

Aorta

c)

Septum & atrial walls

d)

Purkinje fibres

84.

The Purkinje fibres distribute the impulse causing the ...................... to contract.

a)

Atrial walls

b)

Ventricle

c)

Atrium

d)

Septum

85.

What prevents blood from flowing back into the atria when the ventricles contract?

a)

semilunar valves

b)

sinoatrial node

c)

atrioventricular node

d)

tricuspid and bicuspid valves

86.

One of the body's largest blood vessels that transports blood from the body region below the diaphragm to the heart

a)

superior vena cava

b)

inferior vena cava

c)

pulmonary trunk

d)

pulmonary veins

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