Deck 14: Heart

Question 1

Another name for "hardening of the arteries" is

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

Answer 1

atherosclerosis.

Question 2

Blood passing through the tricuspid valve has just left which heart chamber?

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

Answer 2

Right atrium

Question 3

The T wave in an electrocardiogram results from

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

Answer 3

repolarization of the ventricles.

Question 4

Which structure is known as the "pacemaker" of the heart?

A) Purkinje fibers
B) Sinoatrial node
C) Atrioventricular node
D) Bundle of His

Question 5

The aortic semilunar valve is the valve

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 6

The pulmonary semilunar valve is the valve

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 7

Blood entering an artery has just left which heart chamber?

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

Question 8

A heart beat that is less than 60 beats per minute is called

A) tachycardia.
B) bradycardia.
C) sinus dysrhythmia.
D) fibrillation.

Question 9

Which of the following is not 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 10

The QRS complex in an electrocardiogram results from

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

Question 11

The tricuspid valve is the valve

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 12

The bicuspid or mitral valve is the valve

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 13

Which component of the conduction system actually contracts the ventricles?

A) Purkinje fibers
B) Sinoatrial node
C) Atrioventricular node
D) Bundle of His

Question 14

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

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

Question 15

Which of the following is not true of atria?

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

Question 16

Which of the following is not true of the pericardium?

A) The parietal pericardium is also called the epicardium.
B) The pericardium is made up of two layers of fibrous tissue.
C) The fluid between the two layers of the pericardium helps reduce the friction caused by the beating heart.
D) All of the above are true of the pericardium.

Question 17

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

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

Question 18

The apex of the heart lies _____, pointing toward the _____ lung.

A) just below the clavicle; right
B) on the diaphragm; left
C) just below the clavicle; left
D) on the diaphragm; right

Question 19

The P wave in an electrocardiogram results from

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

Question 20

Which of the following is not a cause of heart failure?

A) Valve disorder
B) Cardiomyopathy
C) Cor pulmonale
D) All of the above can cause heart failure.

Question 21

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

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 22

Blood returning from the lung enters which heart chamber?

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

Question 23

Match each term with its corresponding description or definition.
Another term for the epicardium

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 24

Match each structure in the heart with its corresponding description or function.
Valve that keeps blood from flowing back into the left ventricle

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 25

Match each structure in the heart with its corresponding description or function.
Blood vessel attached to the right ventricle

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 26

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

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 27

Match each term with its corresponding description or definition.
The receiving chambers of the heart

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 28

The sequence of an impulse moving through the conduction system of the heart is

A) sinoatrial node, atrioventricular node, Purkinje fibers, bundles of His.
B) atrioventricular node, Purkinje fibers, bundles of His, sinoatrial node.
C) sinoatrial node, atrioventricular node, bundles of His, Purkinje fibers.
D) sinoatrial node, bundles of His, atrioventricular node, Purkinje fibers.

Question 29

Match each term with its corresponding description or definition.
The discharging chambers of the heart

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 30

Match each structure in the heart with its corresponding description or function.
Chamber into which blood from the inferior vena cava drains

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 31

Match each term with its corresponding description or definition.
Part of the conduction system of the heart called the pacemaker

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 32

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

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 33

Match each term with its corresponding description or definition.
Term that describes contraction of the heart

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 34

Match each term with its corresponding description or definition.
A loose-fitting sac around the heart

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 35

Match each structure in the heart with its corresponding description or function.
Valve that prevents blood from flowing back into the left atrium

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 36

Match each term with its corresponding description or definition.
The volume of blood ejected from the ventricles during each beat

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 37

Blood leaving the superior vena cava enters which heart chamber?

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

Question 38

Match each term with its corresponding description or definition.
A thin layer of smooth tissue that lines the chambers of the heart

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 39

Match each structure in the heart with its corresponding description or function.
Heart chamber into which blood returning from the lungs enters

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 40

Match each structure in the heart with its corresponding description or function.
Heart chamber that pumps blood through the aortic semilunar valve

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 41

Match each structure in the heart with its corresponding description or function.
Heart chamber that blood enters after passing through the tricuspid valve

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 42

Match each disorder of the circulatory system with its definition or description.
Left-sided heart failure

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 43

Match each disorder of the circulatory system with its definition or description.
A type of hardening of the arteries

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 44

Match each disorder of the circulatory system with its definition or description.
A leaky heart valve

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 45

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

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 46

Match each disorder of the circulatory system with its definition or description.
A heart valve that is narrower than normal

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 47

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

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 48

Match each disorder of the circulatory system with its definition or description.
Any abnormality of heart rhythm

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 49

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

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 50

Match each structure in the heart with its corresponding description or function.
Valve through which blood leaving the right ventricle passes on its way to the lung

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 51

Match each disorder of the circulatory system with its definition or description.
Inflammation of the pericardium

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 52

Match each disorder of the circulatory system with its definition or description.
Medical term for a heart attack

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 53

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

Question 54

Match each disorder of the circulatory system with its definition or description.
A serious compression of the heart caused by too much fluid between the layers of the pericardium

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 55

Match each disorder of the circulatory system with its definition or description.
Severe chest pain that occurs when the myocardium is deprived of adequate oxygen

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 56

Match each disorder of the circulatory system with its definition or description.
Condition in which the cardiac muscle fibers contract out of step with each other

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 57

Describe the location, size, and position of the heart.

Question 58

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

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 59

Match each structure in the heart with its corresponding description or function.
Blood vessel that empties into the right atrium

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 60

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

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 61

Explain why extreme tachycardia might restrict blood flow to the heart.

Question 62

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

Question 63

Define or explain bradycardia, tachycardia, and sinus dysrhythmia.

Question 64

Explain the deflections of an electrocardiogram.

Question 65

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

Question 66

What is cardiac tamponade? How does it occur?

Question 67

What is angina pectoris, and what are some treatments for this condition?

Question 68

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

Question 69

Explain the conduction system of the heart.

Question 70

Explain how the heart muscle is supplied with blood.

Question 71

The apex of the heart is the most superior part of the heart located just below the clavicle.

Question 72

Briefly describe rheumatic heart disease and mitral valve prolapse.

Question 73

If a heart murmur were discovered during the first heart sound, what heart valve may be defective? Explain your answer.

Question 74

What is congestive heart failure, and what is pulmonary edema?

Question 75

Trace a drop of blood from the superior vena cava to the aorta. Include all the heart chambers, valves, and blood vessels through which the blood passes.

Question 76

Explain the difference between an incompetent heart valve and a stenosed heart valve.

Question 77

What is cor pulmonale, and what is its cause?

Question 78

The heart is located in the mediastinum.

Question 79

Name the four valves of the heart, and give the function of each.

Question 80

If a person has an abnormality in the QRS complex, what part of the heart might not be functioning correctly? Explain your answer.