Question 1

The second heart sound is caused by the closing of the _____ valve(s).

Accepted Answer

A)  mitral 
B)  semilunar 
C)  tricuspid 
D)  both A and C 
A)  mitral 
B)  semilunar 
C)  tricuspid 
D)  both A and C

Question 2

What is ventricular fibrillation? What is atrial fibrillation? Explain what is meant by defibrillation, and explain how it can be accomplished.

Accepted Answer

Ventricular fibrillation is a life-threa

Question 3

Cardiopulmonary resuscitation (CPR) is successful because of the heart's location in the body.

Accepted Answer

A) True 
 B)False

Question 4

Both the superior and inferior venae cavae enter the left atrium of the heart.

Accepted Answer

A) True 
 B)False

Question 5

Blood returning from the lung 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 6

Fibrillation occurs when heart muscle cells lose coordination and beat out of step with each other.

Accepted Answer

A) True 
 B)False

Question 7

Another name for "hardening of the arteries" is

Accepted Answer

A)  angina pectoris. 
B)  myocardial infarction. 
C)  atherosclerosis. 
D)  embolism. 
A)  angina pectoris. 
B)  myocardial infarction. 
C)  atherosclerosis. 
D)  embolism.

Question 8

Match each term with its corresponding description or definition.
-The volume of blood pumped by one ventricle per minute

Accepted Answer

A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium 
A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium

Question 9

Match each structure in the heart with its corresponding description or function.
-Blood vessels that carry blood back to the heart from the lungs

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 10

Match each disorder of the circulatory system with its definition or description.
-A rapid heart rhythm

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 11

What is atherosclerosis, and what are some risk factors for this condition?

Accepted Answer

Atherosclerosis is a condition in which

Question 12

Match each structure in the heart with its corresponding description or function.
-Blood vessel connected to the left ventricle

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 13

Which of the following is not true of ventricles?

Accepted Answer

A)  They are the lower chambers of the heart. 
B)  They are called the discharging chambers of the heart. 
C)  They have thicker walls than the atria. 
D)  All of the above are true of ventricles. 
A)  They are the lower chambers of the heart. 
B)  They are called the discharging chambers of the heart. 
C)  They have thicker walls than the atria. 
D)  All of the above are true of ventricles.

Question 14

Match each term with its corresponding description or definition.
-The resting time of the heart between beats

Accepted Answer

A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium 
A) Visceral pericardium 
B) Systole 
C) Atria 
D) Stroke volume 
E) Diastole
F)Cardiac output
G)Ventricles
H)Parietal pericardium
I)Sinoatrial node
J)Endocardium

Question 15

The thin layer of tissue that lines the chambers of the heart is called the visceral pericardium.

Accepted Answer

A) True 
 B)False

Question 16

Angina pectoris is chest pain caused by the heart's inability to obtain enough oxygen.

Accepted Answer

A) True 
 B)False

Question 17

Explain how the heart muscle is supplied with blood.

Accepted Answer

The heart muscle is supplied with blood

Question 18

The atrioventricular node is sometimes called the pacemaker for the heart.

Accepted Answer

A) True 
 B)False

Question 19

A premature contraction can be seen on an electrocardiogram as a longer than normal time between the T wave and the next P wave.

Accepted Answer

A) True 
 B)False

Question 20

The P wave in an electrocardiogram results from

Accepted Answer

A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria. 
A)  depolarization of the ventricles. 
B)  depolarization of the atria. 
C)  repolarization of the ventricles. 
D)  repolarization of the atria.

Exam 14: Heart

The second heart sound is caused by the closing of the _____ valve(s).

What is ventricular fibrillation? What is atrial fibrillation? Explain what is meant by defibrillation, and explain how it can be accomplished.

Cardiopulmonary resuscitation (CPR) is successful because of the heart's location in the body.

Both the superior and inferior venae cavae enter the left atrium of the heart.

Blood returning from the lung enters which heart chamber?

Fibrillation occurs when heart muscle cells lose coordination and beat out of step with each other.

Another name for "hardening of the arteries" is

Match each term with its corresponding description or definition. -The volume of blood pumped by one ventricle per minute

Match each structure in the heart with its corresponding description or function. -Blood vessels that carry blood back to the heart from the lungs

Match each disorder of the circulatory system with its definition or description. -A rapid heart rhythm

What is atherosclerosis, and what are some risk factors for this condition?

Match each structure in the heart with its corresponding description or function. -Blood vessel connected to the left ventricle

Which of the following is not true of ventricles?

Match each term with its corresponding description or definition. -The resting time of the heart between beats

The thin layer of tissue that lines the chambers of the heart is called the visceral pericardium.

Angina pectoris is chest pain caused by the heart's inability to obtain enough oxygen.

Explain how the heart muscle is supplied with blood.

The atrioventricular node is sometimes called the pacemaker for the heart.

A premature contraction can be seen on an electrocardiogram as a longer than normal time between the T wave and the next P wave.

The P wave in an electrocardiogram results from

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