Question 1

A faster-than-normal heart rate is called

Accepted Answer

A)  bradycardia. 
B)  tachycardia. 
C)  tetanus. 
D)  myocardial infarct. 
E)  arrhythmia. 
A)  bradycardia. 
B)  tachycardia. 
C)  tetanus. 
D)  myocardial infarct. 
E)  arrhythmia.

Question 2

The innermost layer of the heart wall is the

Accepted Answer

A)  mediastinum. 
B)  parietal pericardium. 
C)  epicardium. 
D)  myocardium. 
E)  endocardium. 
A)  mediastinum. 
B)  parietal pericardium. 
C)  epicardium. 
D)  myocardium. 
E)  endocardium.

Question 3

The QRS complex on an ECG tracing represents

Accepted Answer

A)  atrial depolarization. 
B)  atrial repolarization. 
C)  ventricular depolarization. 
D)  ventricular repolarization. 
E)  ventricular contraction. 
A)  atrial depolarization. 
B)  atrial repolarization. 
C)  ventricular depolarization. 
D)  ventricular repolarization. 
E)  ventricular contraction.

Question 4

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

Accepted Answer

A)  the same as 
B)  much lower than 
C)  slightly lower than 
D)  slightly higher than 
E)  much higher than 
A)  the same as 
B)  much lower than 
C)  slightly lower than 
D)  slightly higher than 
E)  much higher than

Question 5

The tricuspid valve is located

Accepted Answer

A)  in the opening of the aorta. 
B)  in the opening of the pulmonary trunk. 
C)  where the vena cavae join the right atrium. 
D)  between the right atrium and right ventricle. 
E)  between the left atrium and left ventricle. 
A)  in the opening of the aorta. 
B)  in the opening of the pulmonary trunk. 
C)  where the vena cavae join the right atrium. 
D)  between the right atrium and right ventricle. 
E)  between the left atrium and left ventricle.

Question 6

The atrioventricular valve on the left side of the heart is also called the

Accepted Answer

A)  tricuspid valve. 
B)  cuspid valve. 
C)  mitral valve. 
D)  pulmonary valve. 
E)  aortic valve. 
A)  tricuspid valve. 
B)  cuspid valve. 
C)  mitral valve. 
D)  pulmonary valve. 
E)  aortic valve.

Question 7

When the heart rate and stroke volume in a normal heart increase together, the cardiac output can increase by ________ percent.

Accepted Answer

A)  50-70 
B)  100-350 
C)  150-250 
D)  250-500 
E)  500-700 
A)  50-70 
B)  100-350 
C)  150-250 
D)  250-500 
E)  500-700

Question 8

The following is a list of vessels and structures that are associated with the heart. 1. right atrium
2) left atrium
3) right ventricle
4) left ventricle
5) vena cavae
6) aorta
7) pulmonary trunk
8) pulmonary veins
What is the correct order for the flow of blood entering from the systemic circulation?

Accepted Answer

A)  1, 2, 7, 8, 3, 4, 6, 5 
B)  1, 7, 3, 8, 2, 4, 6, 5 
C)  5, 1, 3, 7, 8, 2, 4, 6 
D)  5, 3, 1, 7, 8, 4, 2, 6 
E)  5, 1, 3, 8, 7, 2, 4, 6 
A)  1, 2, 7, 8, 3, 4, 6, 5 
B)  1, 7, 3, 8, 2, 4, 6, 5 
C)  5, 1, 3, 7, 8, 2, 4, 6 
D)  5, 3, 1, 7, 8, 4, 2, 6 
E)  5, 1, 3, 8, 7, 2, 4, 6

Question 9

Each cardiac muscle cell is bound to its neighboring cells at sites called

Accepted Answer

A)  intercalated discs. 
B)  myofibrils. 
C)  sarcomeres. 
D)  trabeculae. 
E)  fossa ovalis. 
A)  intercalated discs. 
B)  myofibrils. 
C)  sarcomeres. 
D)  trabeculae. 
E)  fossa ovalis.

Question 10

Which of the following correctly represents the layers associated with the heart from superficial to deep?

Accepted Answer

A)  parietal pericardium, visceral pericardium, endocardium, myocardium 
B)  endocardium, myocardium, visceral pericardium, parietal pericardium 
C)  visceral pericardium, parietal pericardium, myocardium, endocardium 
D)  parietal pericardium, visceral pericardium, myocardium, endocardium 
E)  myocardium, visceral pericardium, endocardium, parietal pericardium 
A)  parietal pericardium, visceral pericardium, endocardium, myocardium 
B)  endocardium, myocardium, visceral pericardium, parietal pericardium 
C)  visceral pericardium, parietal pericardium, myocardium, endocardium 
D)  parietal pericardium, visceral pericardium, myocardium, endocardium 
E)  myocardium, visceral pericardium, endocardium, parietal pericardium

Question 11

Depolarization of the atria is represented on an electrocardiogram by the

Accepted Answer

A)  P wave. 
B)  T wave. 
C)  S wave. 
D)  QRS complex. 
E)  PR complex. 
A)  P wave. 
B)  T wave. 
C)  S wave. 
D)  QRS complex. 
E)  PR complex.

Question 12

The muscle layer of the heart is the

Accepted Answer

A)  epicardium. 
B)  myocardium. 
C)  endocardium. 
D)  visceral pericardium. 
E)  endothelium. 
A)  epicardium. 
B)  myocardium. 
C)  endocardium. 
D)  visceral pericardium. 
E)  endothelium.

Question 13

Abnormal patterns of cardiac activity are known as

Accepted Answer

A)  automaticity. 
B)  ischemias. 
C)  defibrillations. 
D)  arrhythmias. 
E)  contractility. 
A)  automaticity. 
B)  ischemias. 
C)  defibrillations. 
D)  arrhythmias. 
E)  contractility.

Question 14

Relaxation of the heart chambers is called

Accepted Answer

A)  diastole. 
B)  systole. 
C)  depolarization. 
D)  hyperpolarization. 
E)  repolarization. 
A)  diastole. 
B)  systole. 
C)  depolarization. 
D)  hyperpolarization. 
E)  repolarization.

Question 15

The left atrium receives oxygenated blood from the

Accepted Answer

A)  pulmonary trunk. 
B)  pulmonary veins. 
C)  aorta. 
D)  inferior vena cava. 
E)  pulmonary arteries. 
A)  pulmonary trunk. 
B)  pulmonary veins. 
C)  aorta. 
D)  inferior vena cava. 
E)  pulmonary arteries.

Question 16

The cardioinhibitory center controls activities of the ________ motor neurons.

Accepted Answer

A)  ganglionic 
B)  parasympathetic 
C)  postganglionic 
D)  preganglionic 
E)  sympathetic 
A)  ganglionic 
B)  parasympathetic 
C)  postganglionic 
D)  preganglionic 
E)  sympathetic

Question 17

Figure 12-1 Major Internal Landmarks of the Heart
Use Figure 12-1 to identify the labeled part.
-Label R represents the

Accepted Answer

A)  interventricular septum. 
B)  apex. 
C)  opening of the coronary sinus. 
D)  fossa ovalis. 
E)  interatrial septum. 
A)  interventricular septum. 
B)  apex. 
C)  opening of the coronary sinus. 
D)  fossa ovalis. 
E)  interatrial septum.

Question 18

If valve function deteriorates such that the heart cannot maintain adequate circulatory flow, symptoms of ________ appear.

Accepted Answer

A)  mitral valve prolapse 
B)  carditis 
C)  coronary artery disease 
D)  rheumatic fever 
E)  valvular heart disease 
A)  mitral valve prolapse 
B)  carditis 
C)  coronary artery disease 
D)  rheumatic fever 
E)  valvular heart disease

Question 19

Figure 12-1 Major Internal Landmarks of the Heart
Use Figure 12-1 to identify the labeled part.
-Label J represents the

Accepted Answer

A)  auricle. 
B)  left atrium. 
C)  right ventricle. 
D)  left ventricle. 
E)  interventricular septum. 
A)  auricle. 
B)  left atrium. 
C)  right ventricle. 
D)  left ventricle. 
E)  interventricular septum.

Question 20

Regarding blood volume reflexes, "filling time" is defined as the

Accepted Answer

A)  amount of blood ejected by a ventricle during a single beat. 
B)  flow of venous blood into the right atrium. 
C)  amount of blood pumped by the left ventricle in one minute. 
D)  duration of atrial systole. 
E)  duration of ventricular diastole. 
A)  amount of blood ejected by a ventricle during a single beat. 
B)  flow of venous blood into the right atrium. 
C)  amount of blood pumped by the left ventricle in one minute. 
D)  duration of atrial systole. 
E)  duration of ventricular diastole.

A faster-than-normal heart rate is called

The innermost layer of the heart wall is the

The QRS complex on an ECG tracing represents

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

The tricuspid valve is located

The atrioventricular valve on the left side of the heart is also called the

When the heart rate and stroke volume in a normal heart increase together, the cardiac output can increase by ________ percent.

Each cardiac muscle cell is bound to its neighboring cells at sites called

Which of the following correctly represents the layers associated with the heart from superficial to deep?

Depolarization of the atria is represented on an electrocardiogram by the

The muscle layer of the heart is the

Abnormal patterns of cardiac activity are known as

Relaxation of the heart chambers is called

The left atrium receives oxygenated blood from the

The cardioinhibitory center controls activities of the ________ motor neurons.

Figure 12-1 Major Internal Landmarks of the Heart Use Figure 12-1 to identify the labeled part. -Label R represents the

If valve function deteriorates such that the heart cannot maintain adequate circulatory flow, symptoms of ________ appear.

Figure 12-1 Major Internal Landmarks of the Heart Use Figure 12-1 to identify the labeled part. -Label J represents the

Regarding blood volume reflexes, "filling time" is defined as the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

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Exam 12: The Cardiovascular System: the Heart

A faster-than-normal heart rate is called

The innermost layer of the heart wall is the

The QRS complex on an ECG tracing represents

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

The tricuspid valve is located

The atrioventricular valve on the left side of the heart is also called the

When the heart rate and stroke volume in a normal heart increase together, the cardiac output can increase by ________ percent.

Each cardiac muscle cell is bound to its neighboring cells at sites called

Which of the following correctly represents the layers associated with the heart from superficial to deep?

Depolarization of the atria is represented on an electrocardiogram by the

The muscle layer of the heart is the

Abnormal patterns of cardiac activity are known as

Relaxation of the heart chambers is called

The left atrium receives oxygenated blood from the

The cardioinhibitory center controls activities of the ________ motor neurons.

Figure 12-1 Major Internal Landmarks of the Heart Use Figure 12-1 to identify the labeled part. -Label R represents the

If valve function deteriorates such that the heart cannot maintain adequate circulatory flow, symptoms of ________ appear.

Figure 12-1 Major Internal Landmarks of the Heart Use Figure 12-1 to identify the labeled part. -Label J represents the

Regarding blood volume reflexes, "filling time" is defined as the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters