Question 1

The aortic semilunar valve is the valve

Accepted Answer

A)  between the left atrium and left ventricle. 
B)  that opens from the right ventricle into the artery. 
C)  between the right atrium and right ventricle. 
D)  that opens from the left ventricle into the artery. 
A)  between the left atrium and left ventricle. 
B)  that opens from the right ventricle into the artery. 
C)  between the right atrium and right ventricle. 
D)  that opens from the left ventricle into the artery.

Question 2

A person with sinus dysrhythmia should be treated with an implanted artificial pacemaker.

Accepted Answer

A) True 
 B)False

Question 3

The right and left coronary arteries are the first branches of the aorta.

Accepted Answer

A) True 
 B)False

Question 4

The chordae tendineae attach the semilunar valves to the wall of the heart.

Accepted Answer

A) True 
 B)False

Question 5

What is cardiac tamponade? How does it occur?

Accepted Answer

Cardiac tamponade is a medical emergency

Question 6

Blood leaving the superior vena cava enters which heart chamber?

Accepted Answer

A)  Left atrium 
B)  Left ventricle 
C)  Right ventricle 
D)  Right atrium 
A)  Left atrium 
B)  Left ventricle 
C)  Right ventricle 
D)  Right atrium

Question 7

The repolarization of the atria is not indicated on an electrocardiogram because the repolarization is hidden by the T wave of the ventricles.

Accepted Answer

A) True 
 B)False

Question 8

The Purkinje fibers directly cause the contraction of the ventricles of the heart.

Accepted Answer

A) True 
 B)False

Question 9

What is the myocardium? What is the endocardium? Describe the structure of the pericardium.

Accepted Answer

The myocardium is the muscular middle la

Question 10

If a patient has an AV node block, the electrocardiogram will show that the ventricles are beating at a faster rate than the atria.

Accepted Answer

A) True 
 B)False

Question 11

The ventricles are the receiving chambers of the heart.

Accepted Answer

A) True 
 B)False

Question 12

Like most arteries, the aorta carries blood that is rich in oxygen.

Accepted Answer

A) True 
 B)False

Question 13

It takes about 72 cardiac cycles to determine the cardiac output.

Accepted Answer

A) True 
 B)False

Question 14

The bicuspid or mitral valve is the valve

Accepted Answer

A)  between the left atrium and left ventricle. 
B)  that opens from the right ventricle into the artery. 
C)  between the right atrium and right ventricle. 
D)  that opens from the left ventricle into the artery. 
A)  between the left atrium and left ventricle. 
B)  that opens from the right ventricle into the artery. 
C)  between the right atrium and right ventricle. 
D)  that opens from the left ventricle into the artery.

Question 15

Explain how the location of the heart allows for cardiopulmonary resuscitation.

Accepted Answer

The location of the heart in the chest c

Question 16

If an electrocardiogram shows no relationship between the P wave and the QRS complex, an artificial pacemaker might be implanted to treat the condition.

Accepted Answer

A) True 
 B)False

Question 17

Because the atria set the pace for the heart beat, atrial fibrillation is much more life threatening than ventricular fibrillation.

Accepted Answer

A) True 
 B)False

Question 18

Match each disorder of the circulatory system with its definition or description.
-Caused by lung disorders that obstruct blood flow through the lung, which overloads the right side of the heart

Accepted Answer

A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale 
A) Incompetent heart valve 
B) Angina pectoris 
C) Pericarditis 
D) Dysrhythmia 
E) Atherosclerosis
F)Myocardial infarction
G)Fibrillation
H)Stenosed heart valve
I)Congestive heart failure
J)Cardiac tamponade
K)Tachycardia
L)Bradycardia
M)Cor pulmonale

Question 19

Match each structure in the heart with its corresponding description or function.
-Valve that prevents blood from backing up into the right atrium

Accepted Answer

A) Right atrium 
B) Left atrium 
C) Right ventricle 
D) Left ventricle 
E) Aortic semilunar valve
F)Pulmonary semilunar valve
G)Tricuspid valve
H)Mitral valve
I)Aorta
J)Pulmonary artery
K)Pulmonary veins
L)Superior vena cava 
A) Right atrium 
B) Left atrium 
C) Right ventricle 
D) Left ventricle 
E) Aortic semilunar valve
F)Pulmonary semilunar valve
G)Tricuspid valve
H)Mitral valve
I)Aorta
J)Pulmonary artery
K)Pulmonary veins
L)Superior vena cava

Question 20

Explain the deflections of an electrocardiogram.

Accepted Answer

The deflections of an electrocardiogram

Exam 14: Heart

The aortic semilunar valve is the valve

A person with sinus dysrhythmia should be treated with an implanted artificial pacemaker.

The right and left coronary arteries are the first branches of the aorta.

The chordae tendineae attach the semilunar valves to the wall of the heart.

What is cardiac tamponade? How does it occur?

Blood leaving the superior vena cava enters which heart chamber?

The repolarization of the atria is not indicated on an electrocardiogram because the repolarization is hidden by the T wave of the ventricles.

The Purkinje fibers directly cause the contraction of the ventricles of the heart.

What is the myocardium? What is the endocardium? Describe the structure of the pericardium.

If a patient has an AV node block, the electrocardiogram will show that the ventricles are beating at a faster rate than the atria.

The ventricles are the receiving chambers of the heart.

Like most arteries, the aorta carries blood that is rich in oxygen.

It takes about 72 cardiac cycles to determine the cardiac output.

The bicuspid or mitral valve is the valve

Explain how the location of the heart allows for cardiopulmonary resuscitation.

If an electrocardiogram shows no relationship between the P wave and the QRS complex, an artificial pacemaker might be implanted to treat the condition.

Because the atria set the pace for the heart beat, atrial fibrillation is much more life threatening than ventricular fibrillation.

Match each disorder of the circulatory system with its definition or description. -Caused by lung disorders that obstruct blood flow through the lung, which overloads the right side of the heart

Match each structure in the heart with its corresponding description or function. -Valve that prevents blood from backing up into the right atrium

Explain the deflections of an electrocardiogram.

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