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LP1- ch.19: Heart

Total questions: 181

Worksheet time: 2hrs 24mins

Name
Class
Date
1.

What is the name of the following structure?

(a)  

2.

What is the name of the following structure?

(a)  

3.

What is the name of the following structure?

(a)  

4.

What is the name of the following structure?

(a)  

5.

What is the name of the following structure?

(a)  

6.

What is the name of the following structure?

(a)  

7.

What is the name of the following structure?

(a)  

8.

What is the name of the following structure?

(a)  

9.

What is the name of the following structure?

(a)  

10.

What is the name of the following structure?

(a)  

11.

What is the name of the following structure?

(a)  

12.

What is the name of the following structure?

(a)  

13.

What is the name of the following structure?

(a)  

14.

What is the name of the following structure?

(a)  

15.

What is the name of the following structure?

(a)  

16.

What is the name of the following structure?

(a)  

17.

What is the name of the following structure?

(a)  

18.

What is the name of the following structure?

(a)  

19.

What is the name of the following structure?

(a)  

20.

What is the name of the following structure?

(a)  

21.

What is the name of the following structure?

(a)  

22.

What is the name of the following structure?

(a)  

23.

What is the name of the following structure?

(a)  

24.

What is the name of the following structure?

(a)  

25.
Which number is the vena cava?
a)
1
b)
2
c)
3
d)
8
26.
The two chambers of the heart which receive blood are known as the _________
a)
atria
b)
ventricles
c)
systemics
d)
pulmonic
27.
Which valve is letter X?
a)
aortic
b)
bicuspid
c)
tricuspid
d)
pulmonary
28.
Freshly oxygenated blood is delivered to the _____________ and then it passes into the  __________ to be pumped to the entire body.
a)
right ventricle; right atrium
b)
left ventricle; left atrium
c)
left atrium; left ventricle
d)
right atrium; right ventricle
29.

What is the most muscular chamber of the heart?

a)

left ventricle

b)

left atrium

c)

right atrium

d)

right ventricle

30.
As the right ventricle contracts, the blood flows into the 
a)
Heart
b)
Pulmonary arteries 
c)
Atrium
d)
Ventricle 
31.
Which letter is the aortic valve?
a)
A
b)
B
c)
E
d)
F
32.

Valve that blood is forced through from right ventricle into pulmonary arteries.

a)

pulmonary semi lunar valve

b)

aortic valve

c)

mitral valve

33.

In the walls of the heart, there are two thin layers around a thick layer of muscle called the

a)

epithelial tissue.

b)

pericardium.

c)

connective tissue.

d)

myocardium.

34.
The purpose of heart valves is to 
a)
set the pace at which the heart beats
b)
prevent blood from flowing backward
c)
oxygenate the blood as it passes through the valve
d)
add minerals to the blood
35.
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
36.
The valves between the atria and ventricles are known as the ________ valves.
a)
atrioventricular
b)
aortic
c)
semilunar
d)
pulmonary
37.

The heart layer that keeps blood from sticking to the inside of the heart made up of squamous epithelial cells

a)

endocardium

b)

pericardium

c)

myocardium

d)

epicardium

38.

Pericardium is a serous membrane it has two layers. The parietal layers of the membranes line the walls of the body cavity. The inner visceral layer covers organ (viscera).

a)

True

b)

False

39.
Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?
a)
Pericardium
b)
Endocardium
c)
Myocardium
40.

Aorta

a)

The largest arterial trunk that carries blood from the heart to be distributed by branch arteries through the body

b)

a vessel that returns blood to the heart

c)

a body structure that is temporarily closes a passage or orifice, or permits movement of fluid in only one direction.

d)

An integrated group of cells with a common function, structure, or both

41.

Artery

a)

A valve in the heart that guards the opening between the left atrium and the left ventricle; prevents the blood in the ventricle from returning to the atrium. Alternative name is bicuspid valve.

b)

A vein that is the largest vein in the human body and returns blood to the right atrium of the heart from bodily parts below the diaphragm.

c)

The body structure that temporarily closes a passage or orifice, or permits movement of fluid in only one direction.

d)

Any of the tubular, branching, muscular, and elastic-walled vessels that carry blood from the heart through the body.

42.

Mitral Valve

a)

The semilunar valve separating the aorta from the left ventricle that prevents blood from flowing back into the left ventricle.

b)

A vein that is the largest vein in the human body and returns blood to the right atrium of the heart from bodily parts below the diaphragm.

c)

An anatomical cavity or passage especially a chamber of the heart that receives blood from the veins and forces it into a ventricle or ventricles

d)

A valve in the heart that guards the opening between the left atrium and the left ventricle; prevents the blood in the ventricle from returning to the atrium. Alternative name is bicuspid valve.

43.
Which number is the vena cava?
a)
1
b)
2
c)
3
d)
8
44.
Which number is the pulmonary artery?
a)
4
b)
5
c)
6
d)
8
45.
Where is the blood in 3 coming from?
a)
All over the body
b)
The upper half of the body, head and arms
c)
The lower half of the body, legs and abdomen
d)
The lungs
46.
The two chambers of the heart which receive blood are known as the _________
a)
atria
b)
ventricles
c)
systemics
d)
pulmonic
47.
Blood leaves the right ventricle through the ___________.
a)
pulmonary artery
b)
aorta
c)
superior vena cava
d)
right atrium
48.
What does letter D represent?
a)
aorta
b)
left atrium
c)
left ventricle
d)
right atrium
49.
What does letter B represent?
a)
aorta
b)
superior vena cava
c)
inferior vena cava
d)
right pulmonary artery
50.
Which valve is letter X?
a)
aortic
b)
bicuspid
c)
tricuspid
d)
pulmonary
51.
What carries the oxygenated blood from the lungs to the left atrium of the heart?
a)
vena cava 
b)
aorta
c)
pulmonary vein
d)
pulmonary artery
52.
The most muscular chamber of the heart is the 
a)
left ventricle
b)
left atrium
c)
right atrium
d)
right ventricle
53.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
54.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
55.
Which letter is the aortic valve?
a)
A
b)
B
c)
E
d)
F
56.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
57.

What is the function of structure labelled 5?

a)

carry deoxygenated blood to the lungs

b)

carry oxygenated blood to all parts of the body

c)

carry deoxygenated blood from all parts of the body to the heart

d)

carry oxygenated blood from the lungs

58.

Which structure of the heart prevents the mixing of oxygen-riched blood and oxygen-poor blood?

a)

Aorta

b)

Atrium

c)

Valve

d)

Septum

59.
Name this part.
a)
Superior vena cava
b)
Right ventricle
c)
Inferior vena cava
d)
Pulmonary vein
60.
Name this part.
a)
Pulmonary veins
b)
Left atrium
c)
Aorta
d)
Pulmonary artery
61.
Name this part.
a)
Right atrium
b)
Left ventricle
c)
Right ventricle
d)
Left atrium
62.
Name this part.
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
63.
Name this part.
a)
Superior vena cava
b)
Right ventricle
c)
Right atrium
d)
Inferior vena cava
64.
Name this part.
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
65.
Which side of the heart pumps oxygen-rich blood to the rest of the body?
a)
Right
b)
Left
66.
Which side of the heart pumps blood into the lungs?
a)
Right
b)
Left
67.
______ carry blood to the heart.
a)
Arteries
b)
Veins
c)
Capillaries
d)
Vena Cava
68.
_____ carries blood away from the heart.
a)
Blood cells
b)
Veins
c)
Capillaries
d)
Arteries
69.
Pulmonary circulation involves blood flow to and from the heart and the _______.
a)
body
b)
digestive organs
c)
brain
d)
lungs
70.
The arteries that feed the heart muscle
a)
Capillaries
b)
Coronary
c)
Chordae teindineae
d)
Coronary sinus
71.
Which valve(s) prevents backflow from of blood into the ventricles?
a)
Semilunar Valves
b)
Cardiac Valve
c)
Mitral Valve
d)
Tricuspid Valve
72.
The _____ valve lies between the right atrium and right ventricle.
a)
bicuspid
b)
aortic semilunar
c)
pulmonary
d)
tricuspid
73.
The systemic circulation carries blood
a)
from the heart to the body cells and back to the heart
b)
to the lungs and back to the heart
74.
What is #3?
a)
Superior Vena Cava
b)
Right Pulmonary Vein
c)
Right Ventricle
d)
Right Atrium
75.

The largest artery in the body. Carries oxygenated blood from the left ventricle to the rest of the body.

a)

aorta

b)

apex

c)

pulmonary artery

d)

vena cava

76.

The blood vessels that supply oxygen to the heart's tissues.

a)

cornary artery

b)

apex

c)

pulmonary artery

d)

vena cava

77.

Chamber that receives oxygenated blood from the lungs.

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

78.

Chamber that receives deoxygenated blood from the vena cava.

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

79.

The chamber that receives deoxygenated blood from the right atrium and pumps it to the lungs.

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

80.

The thickest chamber and is responsible for pumping oxygenated blood to tissues all over the body.

a)

left atrium

b)

right atrium

c)

left ventricle

d)

right ventricle

81.

The blood vessels that carry oxygenated blood from the lungs to the left atrium.

a)

pulmonary vein

b)

pulmonary artery

c)

aorta

d)

vena cava

82.

Separates the right atrium from the right ventricle.

a)

tricuspid valve

b)

bicuspid valve

c)

aortic valve

d)

mitral valve

83.

The second largest vein in the human body. Returns blood to the right atrium from the upper half of the body.

a)

superior vena cava

b)

right ventricle

c)

chordae tendinae

d)

apex

84.

What is this? (lower case)

(a)  

85.
a)

interventricular septum

b)

vena cava

c)

pulmonary artery

d)

apex

e)

coronary artery

86.

What is the purpose of a valve?

a)

prevents the retroprofusion of blood

b)

provides the heart tissue with oxygen

c)

provides electrical stimulation

d)

oxygenates the blood

87.

The pumping of blood from the body to the lungs and back to the heart for the purpose of oxgenating the blood is called (a)   circulation.

88.

(a)   circulation pumps oxygen-rich blood to the body and returns deoxygenated blood back to the heart.

89.

In most of the body, the arteries carry oxygenated blood and the veins carry deoxygenated blood. Which of the following are exceptions

a)

pulmonary artery

b)

pulmonary vein

c)

aorta

d)

vena cava

e)

renal artery

90.

P Wave

a)

SA Nodes contracts

Both atria contracts

b)

Impulses reach the av node 0.10 delay allows

c)

Repolarization or recovery of the ventricles

d)

Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers

91.

QRS

a)

Repolarization or recovery of the ventricles

b)

Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers

c)

SA Nodes contracts

Both atria contracts

d)

Impulses reach the av node 0.10 delay allows atria

92.
What do the letters EKG stand for?
a)
Electrocardiograph
b)
Electromagneticgraph
c)
Electrocardiogram 
d)
Electrolytes
93.
An electrocardiogram measures what?
a)
The amount of pressure exerted on blood vessels.
b)
The electrical activity of the heart.
c)
How many times the heart contracts over time.
d)
The body's temperature caused by friction of blood in vessel.
94.
What letters are used to label the parts of an EKG?
a)
PQRST 
b)
ABCDE
c)
ACDC
d)
DNAI
95.
The p-wave correlates with which event?
a)
atrium contraction /signals moving from SA node to AV node
b)
ventricle contraction
c)
ventricle repolarization
d)
both atrial and ventricle contraction
96.
The place where the electrical current starts and is considered the heart's pacemaker:
a)
Sino-atrial node 
b)
right atrium
c)
atria-ventricular node 
d)
left ventricle
97.
The t-wave correlates with which event?
a)
atrium contraction /signals moving from SA node to AV node
b)
ventricle contraction
c)
ventricle repolarization
d)
both atrial and ventricle contraction
98.
The AV node is located at...
a)
A
b)
B
c)
C
d)
D
99.
The Purkinje fibers are located at...
a)
F
b)
G
c)
H
d)
I
100.
The QRS-wave correlates with which event?
a)
atrium contraction /signals moving from SA node to AV node
b)
ventricle contraction
c)
ventricle repolarization
d)
both atrial and ventricle contraction
101.

The nurse is reviewing a patient’s electrocardiogram. Which wave should the nurse recognize as being the first positive wave in a normal cardiac cycle?

a)

P wave

b)

Q wave

c)

R wave

d)

S wave

102.

A patient is experiencing electrocardiogram changes. Which wave should the nurse recognize as representing ventricular repolarization?

a)

Q wave

b)

R wave

c)

S wave

d)

T wave

103.

A patient is admitted for diagnosis of an electrocardiogram abnormality. Which wave should the nurse plan care based upon changes in the patient’s ventricular depolarization?

a)

P wave

b)

QRS complex

c)

U wave

d)

T wave

104.



(a)  

105.



(a)  

106.



(a)  

107.



(a)  

108.



(a)  

109.

The correct sequence of the three events in ECG

a)

P wave , T wave , QRS complex

b)

QRS complex , P wave , T wave

c)

T wave , QRS complex , P wave

d)

P wave, QRS complex, T wave

110.

P wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Depolarization of atria

d)

Depolarization of ventricles

111.

T wave is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Repolarization of ventricles and atria

d)

Depolarization of atria and ventricles

112.

QRS complex is

a)

Repolarization of atria

b)

Repolarization of ventricles

c)

Depolarization of atria

d)

Depolarization of ventricles

113.

Which one is represent P wave

a)

A

b)

B

c)

C

d)

E

114.

Which one is represent T wave

a)

A

b)

B

c)

C

d)

E

115.

Which one is represent QRS complex

a)

A

b)

B

c)

C

d)

E

116.

The ECG is the most commonly used clinical tool for diagnosing what?

a)

Cardiac dysfunction

b)

Cardiac Failure

c)

Congestive Heart Failure

d)

COPD

117.

Name the EKG

a)

Normal Sinus Rhythm

b)

Sinus Tachycardia

c)

Sinus Bradycardia

d)

Atrial fibrillation

118.

Name the EKG

a)

Normal Sinus Rhythm

b)

Sinus Tachycardia

c)

Sinus Bradycardia

d)

Atrial fibrillation

119.

Name the EKG

a)

Atrial fibrillation

b)

Atrial flutter

c)

Super ventricular tachycardia

d)

Asystole

120.

Everything is normal, rate is 60 -100

a)

Sinus tachycardia

b)

Sinus bradycardia

c)

Sinus arrhythmia

d)

Normal sinus rhythm

121.

Atria are irritable and quivering, causing fibrillatory waves between QRS complex

a)

asystole

b)

atrial flutter

c)

A fib

d)

V fib

122.

What is the ECG showing (Red Arrow)

a)

Atrial Fibrillation

b)

Ventricular Fibrillation

c)

Asystole

d)

Premature Ventricular Contraction

e)

Heart Block

123.

What is the ECG showing

a)

Atrial Fibrillation

b)

Ventricular Fibrillation

c)

normal

d)

Premature Ventricular Contraction

e)

Heart Block

124.

Heart rate over 100 beats per minutes is

a)

tachycardia

b)

bradycardia

c)

depolarization

d)

repolarization

125.

Which of these is not considered when making a diagnosis?

a)

P-R interval

b)

rate

c)

rhythm

d)

T wave

126.

MI stands for

a)

myocardial infarction

b)

muscle infarction

c)

mycocordial infarction

d)

muscle infraction

127.

If our patient's heart rate is 75bpm, rhythm is regular, P-R interval is normal, QRS is normal, then our diagnosis is

a)

Sinus tachycardia

b)

Sinus dysrhythmia

c)

normal sinus rhythm

d)

Sinus arrest

128.

Interpret this Rhythm:

a)

Normal sinus rhythm

b)

Ventricular fibrillation

c)

Sinus Brady with PAC's

d)

Sinus Bradycardia

129.

Identify the cardiac rhythm strip pictured above

a)

Ventricular Tachycardia

b)

Normal Sinus Rhythm

c)

Atrial Fibrillation

d)

Sinus Tachycardia

130.

Identify the cardiac rhythm strip pictured above

a)

Atrial Flutter

b)

Normal Sinus Rhythm

c)

Atrial Fibrillation

d)

Sinus Tachycardia

131.

Which of the following best describes this strip?

a)

Tachycardia

b)

Normal Sinus Rhythm

c)

Bradycardia

d)

Asystole

132.

Name the EKG

a)

Normal Sinus Rhythm

b)

Sinus Tachycardia

c)

Sinus Bradycardia

d)

Atrial fibrillation

133.

Which best describes this rhythm?

a)

Atrial Fibrillation

b)

Atrial Flutter

c)

Asystole

d)

PEA

134.

Which best describes this rhythm?

a)

Asystole

b)

PEA

c)

Pulseless Ventricular Tachycardia

d)

Ventricular Fibrillation

135.

Identify the cardiac rhythm seen above

a)

Ventricular tachycardia

b)

Sinus bradycardia

c)

Atrial Fibrillation

d)

Atrial Flutter

136.

What does the term 'ST segment' indicate in an ECG interpretation?

a)

It indicates the blood pressure of the patient

b)

It indicates the oxygen level in the blood

c)

It indicates the period between ventricular depolarization and repolarization.

d)

It indicates the heart rate during ECG

137.

Explain the significance of the 'P wave' in an ECG interpretation.

a)

It has no significance in ECG interpretation.

b)

It represents ventricular depolarization.

c)

It represents atrial depolarization.

d)

It indicates atrial repolarization.

138.

What is the medical term for an irregular heartbeat?

a)

arrhythmia

b)

hypertension

c)

tachycardia

d)

dyspnea

139.

Explain the difference between 'bradycardia' and 'tachycardia' in heart rhythm terminology.

a)

Bradycardia is a slower than normal heart rate, while tachycardia is a faster than normal heart rate.

b)

Bradycardia is a condition of irregular heart rhythm, while tachycardia is a normal heart rhythm.

c)

Bradycardia and tachycardia are the same thing.

d)

Bradycardia is a faster than normal heart rate, while tachycardia is a slower than normal heart rate.

140.

What is the function of 'beta-blockers' in cardiac medication terminology?

a)

They help to increase blood pressure and heart rate

b)

They have no effect on blood pressure or heart rate

c)

They are used to treat respiratory conditions

d)

They help to lower blood pressure, slow down the heart rate, and reduce the workload on the heart.

141.

What does this ECG show?

a)

Normal sinus rhythm

b)
Ventricular tachycardia
c)
Atrial fibrillation
d)

frequent atrial ectopics

142.

What is the rate and rhythm?

a)

Ventricular tachycardia

b)

140-200

c)

Sinus tachycardia

d)

100-150

143.

What is the normal heart rate range for a sinus rhythm in adults?

a)

40-60 beats per minute

b)

60-100 beats per minute

c)

100-120 beats per minute

d)

120-140 beats per minute

144.

Which of the following is a characteristic feature of atrial fibrillation on an ECG?

a)

Regular P waves

b)

Absence of P waves

c)

Inverted P waves

d)

Tall, peaked P waves

145.

In a junctional rhythm, where does the electrical impulse originate?

a)

Sinoatrial node

b)

Atrioventricular node

c)

Purkinje fibers

d)

Bundle of His

146.

What is the primary difference between sinus tachycardia and sinus bradycardia?

a)

The presence of P waves

b)

The rate of the heartbeats

c)

The shape of the QRS complex

d)

The length of the PR interval

147.

How can you differentiate between ventricular tachycardia and ventricular fibrillation on an ECG?

a)

Ventricular tachycardia has a regular rhythm, while ventricular fibrillation does not

b)

Ventricular fibrillation has a regular rhythm, while ventricular tachycardia does not

c)

Both have regular rhythms

d)

Both have irregular rhythms

148.

Which of the following arrhythmias is most likely to cause a sudden drop in blood pressure?

a)

Sinus arrhythmia

b)

Atrial flutter

c)

Ventricular fibrillation

d)

Junctional rhythm

149.

What is the typical treatment for a patient with atrial fibrillation to prevent stroke?

a)

Beta-blockers

b)

Anticoagulants

c)

Calcium channel blockers

d)

Diuretics

150.

What is the main difference in the ECG appearance of a junctional rhythm compared to a normal sinus rhythm?

a)

Absence of QRS complexes

b)

Inverted or absent P waves

c)

Prolonged QT interval

d)

Elevated ST segment

151.

If the P wave on an EKG looks abnormal, which structures in the heart are likely damaged?

a)

SA/AV node

b)

Aortic valve

c)

Bundle of His

d)

Purkinje fibers

152.

The p-wave correlates with which event?

a)

atrial depolarization

b)

ventricle depolarization

c)

ventricle repolarization

d)

atrial repolarization

153.

What does depolarization result in?

a)

relaxation

b)

contraction

c)

repulsion

d)

attraction

154.
What is going on in the heart during the R-wave or QRS complex
a)
SA node triggers depolarization in atria
b)
AV node triggers depolarization in ventricle, the main pumpung action
c)
Delay caused by the SA node
d)
Repolarization of the ventricle 
155.
What is going on in the heart during the T-wave
a)
SA node triggers depolarization in atria
b)
AV node triggers depolarization in ventricle, the main pumpung action
c)
Delay caused by the SA node
d)
Repolarization of the ventricle 
156.

Intrinsic electrical impulses start at which of the following locations?

a)

AV Node

b)

Bundle of His

c)

Purkinje fibers

d)

SA Node

157.

The pacemaker of the heart

a)

AV node

b)

SA node

c)

Bundle of His

d)

Bundle branches

158.
Which is the correct path of electrical impulses through the heart?
a)
SA → Purkinje Fibers → Bundle Branches → AV
b)
SA → AV → Bundle Branches → Purkinje Fibers
c)
AV → SA → Bundle Branches → Purkinje Fibers
d)
AV → Bundle Branches → SA → Purkinje Fibers
159.

A cardiac cycle is:

a)

ventricular relaxation

b)

ventricular contraction

c)

equivalent to 1 complete heart beat

d)

a heart attack

160.

What is the second step to heart contraction?

a)

Atria contract

b)

ventricles contract

c)

depolarization of SA node

d)

Impulse spreads throughout the atria

161.

A heart rate 100 bpm or above is called _______.

a)

bradycardia

b)

tachycardia

c)

arrhythmia

d)

fibrillation

162.
A person's blood pressure is a reflection of: 
a)
lymphatic pressure.​
b)
arterial pressure.
c)
osmotic pressure.
d)
venous pressure.
163.
Blood pressure is greatest:
a)
when the heart is between contraction and relaxation.
b)
when the atria contract.
c)
when the ventricles contract.
d)
when the patient is lying down.
164.

The heart layer that keeps blood from sticking to the inside of the heart and forming potentially deadly blood clots is called

a)

endocardium

b)

pericardium

c)

myocardium

d)

epicardium

165.

The SA node fires at a rate of

a)

40-60 bpm

b)

80-90 bpm

c)

60-80 bpm

d)

60-100 bpm

166.
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
167.
The term that means heart contraction is ________.
a)
diastole
b)
systole
c)
tachycardia
d)
fibrillation
168.
Second part of Cardiac Conduction System: This structure receives a signal and passes it on to the Bundle of His
a)
Purkinje fibers
b)
Atrioventricular (AV) node
c)
Sinoatrial (SA) Node
169.
Third part of Cardiac Conduction System: This structures branches down from septum and out towards each ventricle. They *relay* the signal to the Purkinje fibers.
a)
Atrioventricular (AV) node
b)
Sinoatrial (SA) Node
c)
Bundle of His
d)
Purkinje fibers
170.

What does the first heart sound (Lubb) correspond with?

a)

Ventricular diastole

b)

Ventricular systole

c)

AV Valve closure

d)

Pulmonary Valve closure

171.

What does the second heart sound (dubb/dupp) correspond with?

a)

Ventricular diastole

b)

Ventricular systole

c)

AV valve closure

d)

Semi-lunar valve closure

172.

Which valve's closure is responsible for the "lub" sound?

a)

Aortic and Pulmonary valves

b)

Tricuspid and Mitral valves

c)

Aortic and Mitral valves

d)

Tricuspid and Pulmonary valves

173.

Which valve's closure is responsible for the "dub" sound?

a)

Aortic and Pulmonary valves

b)

Tricuspid and Mitral valves

c)

Aortic and Mitral valves

d)

Tricuspid and Pulmonary valves

174.

Which heart sound marks the beginning of ventricular systole?

a)

S1 ("lub")

b)

S2 ("dub")

c)

S3

d)

S4

175.

Which heart sound marks the end of ventricular systole?

a)

S1 ("lub")

b)

S2 ("dub")

c)

S3

d)

S4

176.

Which heart sound is usually louder and longer?

a)

S1 ("lub")

b)

S2 ("dub")

c)

S3

d)

S4

177.

What causes the "dub" sound in the heart?

a)

Opening of the atrioventricular valves

b)

Closing of the atrioventricular valves

c)

Opening of the semilunar valves

d)

Closing of the semilunar valves

178.

What causes the "lub" sound in the heart?

a)

Opening of the atrioventricular valves

b)

Closing of the atrioventricular valves

c)

Opening of the semilunar valves

d)

Closing of the semilunar valves

179.

What instrument is used to listen to heart sounds?

a)

Thermometer

b)

Sphygmomanometer

c)

Stethoscope

d)

Electrocardiogram (ECG)

180.

What is the primary purpose of listening to heart sounds?

a)

To measure blood pressure

b)

To diagnose lung diseases

c)

To assess heart function and detect abnormalities

d)

To measure body temperature

181.

Which heart condition might cause a "murmur" sound?

a)

Heart attack

b)

Valve abnormalities

c)

High cholesterol

d)

Diabetes

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