Question 1

Which of these conditions might an antibiotic be effective in treating?

Accepted Answer

A)  angina pectoris 
B)  patent ductus arteriosus 
C)  septal defect 
D)  coronary heart disease 
E)  rheumatic heart disease 
A)  angina pectoris 
B)  patent ductus arteriosus 
C)  septal defect 
D)  coronary heart disease 
E)  rheumatic heart disease

Question 2

The contraction of the atria and beginning relaxation of the atria is shown as the ________ on an EKG.

Accepted Answer

A)  P wave 
B)  P-Q (or P-R) interval 
C)  QRS complex 
D)  Q-T interval 
E)  T wave 
A)  P wave 
B)  P-Q (or P-R) interval 
C)  QRS complex 
D)  Q-T interval 
E)  T wave

Question 3

If an ECG indicated no P wave, a possible explanation would be

Accepted Answer

A)  damage to the SA node. 
B)  damage to the AV node. 
C)  damage to ventricular muscle. 
D)  excessive vagus nerve stimulation. 
E)  ectopic beats in the ventricles. 
A)  damage to the SA node. 
B)  damage to the AV node. 
C)  damage to ventricular muscle. 
D)  excessive vagus nerve stimulation. 
E)  ectopic beats in the ventricles.

Question 4

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) superior & inferior vena cava
6) aorta
7) pulmonary artery
8) pulmonary vein
9) mitrial/bicuspid valve
10) tricuspid valve
11) pulmonary semilunar valve
12) aorta semilunar valve
What is the correct order for the flow of blood entering the heart from the LUNGS leaving for SYSTEMIC CIRCULATION (i.e. the body)?

Accepted Answer

A)  8, 2, 9, 4, 12, 6 
B)  8, 1, 10, 3, 11, 7 
C)  5, 1, 10, 3, 11, 7 
D)  7, 2, 9, 4, 12, 6 
E)  6, 12, 1, 2, 10, 4 
A)  8, 2, 9, 4, 12, 6 
B)  8, 1, 10, 3, 11, 7 
C)  5, 1, 10, 3, 11, 7 
D)  7, 2, 9, 4, 12, 6 
E)  6, 12, 1, 2, 10, 4

Question 5

The thick middle layer of the heart, composed of cardiac muscle, is the

Accepted Answer

A)  endocardium. 
B)  myocardium. 
C)  epicardium. 
D)  chordae tendineae. 
A)  endocardium. 
B)  myocardium. 
C)  epicardium. 
D)  chordae tendineae.

Question 6

The right side of the heart forces blood to flow

Accepted Answer

A)  to the body. 
B)  to the lungs. 
C)  through the systemic circulation. 
D)  both to the body and through the systemic circulation. 
E)  both to the lungs and through the systemic circulation. 
A)  to the body. 
B)  to the lungs. 
C)  through the systemic circulation. 
D)  both to the body and through the systemic circulation. 
E)  both to the lungs and through the systemic circulation.

Question 7

Which of these valves is found between the right atrium and the right ventricle?

Accepted Answer

A)  tricuspid valve 
B)  bicuspid (mitral) valve 
C)  aortic semilunar valve 
D)  pulmonary semilunar valve 
E)  interventricular septum 
A)  tricuspid valve 
B)  bicuspid (mitral) valve 
C)  aortic semilunar valve 
D)  pulmonary semilunar valve 
E)  interventricular septum

Question 8

Which of these statements concerning the normal pathway of blood flow is NOT correct?

Accepted Answer

A)  from the pulmonary arteries to the lungs 
B)  from the pulmonary veins to the right atrium 
C)  from the aorta to all parts of body except lungs 
D)  from the coronary sinus to the right atrium 
E)  Neither from the pulmonary veins to the right atrium nor from the coronary sinus to the right atrium are correct. 
A)  from the pulmonary arteries to the lungs 
B)  from the pulmonary veins to the right atrium 
C)  from the aorta to all parts of body except lungs 
D)  from the coronary sinus to the right atrium 
E)  Neither from the pulmonary veins to the right atrium nor from the coronary sinus to the right atrium are correct.

Question 9

Papillary muscles are attached to the cusps of valves by thin, strong connective tissue strings called

Accepted Answer

A)  the chordae tendineae. 
B)  the interventricular septa. 
C)  the auricles. 
D)  the interventricular sulcus. 
E)  the coronary sinus. 
A)  the chordae tendineae. 
B)  the interventricular septa. 
C)  the auricles. 
D)  the interventricular sulcus. 
E)  the coronary sinus.

Question 10

When blood pressure increases, a number of events occur that return blood pressure to normal. Which of the following is NOT one of the events that occurs after an increase in blood pressure?

Accepted Answer

A)  Baroreceptors in the aorta and internal carotid arteries are stimulated. 
B)  Increased action potential frequency to the cardioregulatory center of the brain occurs. 
C)  Increased sympathetic stimulation of the heart occurs. 
D)  Heart rate and stroke volume decrease. 
E)  Blood pressure decreases. 
A)  Baroreceptors in the aorta and internal carotid arteries are stimulated. 
B)  Increased action potential frequency to the cardioregulatory center of the brain occurs. 
C)  Increased sympathetic stimulation of the heart occurs. 
D)  Heart rate and stroke volume decrease. 
E)  Blood pressure decreases.

Question 11

If a valve is classified as stenosed:

Accepted Answer

A)  a swishing sound occurs immediately after it closes. 
B)  the opening is narrowed 
C)  the valve does not close completely 
D)  blood is leaking through the closed valve. 
E)  All of the items are true of a stenosed valve. 
A)  a swishing sound occurs immediately after it closes. 
B)  the opening is narrowed 
C)  the valve does not close completely 
D)  blood is leaking through the closed valve. 
E)  All of the items are true of a stenosed valve.

Question 12

Papillary muscles:

Accepted Answer

A)  contract when the ventricles relax 
B)  prevent the valves from closing during ventricular diastole 
C)  are attached to the semi lunar valves via the chordae tendineae 
D)  prevent the backflow of blood into the atria during ventricular systole 
E)  prevent the backflow of blood into the ventricles from the aorta 
A)  contract when the ventricles relax 
B)  prevent the valves from closing during ventricular diastole 
C)  are attached to the semi lunar valves via the chordae tendineae 
D)  prevent the backflow of blood into the atria during ventricular systole 
E)  prevent the backflow of blood into the ventricles from the aorta

Question 13

A large groove that runs around the heart, and separates the atria from the ventricles is the

Accepted Answer

A)  anterior interventricular septum. 
B)  posterior interventricular septum. 
C)  coronary sinus. 
D)  coronary sulcus. 
E)  cardiac fissure. 
A)  anterior interventricular septum. 
B)  posterior interventricular septum. 
C)  coronary sinus. 
D)  coronary sulcus. 
E)  cardiac fissure.

Question 14

The heart medication that is frequently given to people who suffer from heart failure because it slows and strengthens contractions of the heart muscle is (are)

Accepted Answer

A)  digitalis. 
B)  nitroglycerine. 
C)  beta-blockers. 
D)  calcium channel blockers. 
E)  anticoagulants. 
A)  digitalis. 
B)  nitroglycerine. 
C)  beta-blockers. 
D)  calcium channel blockers. 
E)  anticoagulants.

Which of these conditions might an antibiotic be effective in treating?

The contraction of the atria and beginning relaxation of the atria is shown as the ________ on an EKG.

If an ECG indicated no P wave, a possible explanation would be

The thick middle layer of the heart, composed of cardiac muscle, is the

The right side of the heart forces blood to flow

Which of these valves is found between the right atrium and the right ventricle?

Which of these statements concerning the normal pathway of blood flow is NOT correct?

Papillary muscles are attached to the cusps of valves by thin, strong connective tissue strings called

When blood pressure increases, a number of events occur that return blood pressure to normal. Which of the following is NOT one of the events that occurs after an increase in blood pressure?

If a valve is classified as stenosed:

Papillary muscles:

A large groove that runs around the heart, and separates the atria from the ventricles is the

The heart medication that is frequently given to people who suffer from heart failure because it slows and strengthens contractions of the heart muscle is (are)

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Exam 12: Heart

Which of these conditions might an antibiotic be effective in treating?

The contraction of the atria and beginning relaxation of the atria is shown as the ________ on an EKG.

If an ECG indicated no P wave, a possible explanation would be

The thick middle layer of the heart, composed of cardiac muscle, is the

The right side of the heart forces blood to flow

Which of these valves is found between the right atrium and the right ventricle?

Which of these statements concerning the normal pathway of blood flow is NOT correct?

Papillary muscles are attached to the cusps of valves by thin, strong connective tissue strings called

When blood pressure increases, a number of events occur that return blood pressure to normal. Which of the following is NOT one of the events that occurs after an increase in blood pressure?

If a valve is classified as stenosed:

Papillary muscles:

A large groove that runs around the heart, and separates the atria from the ventricles is the

The heart medication that is frequently given to people who suffer from heart failure because it slows and strengthens contractions of the heart muscle is (are)

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Blood Vessels and Circulation

The Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, Heredity, and Aging

Filters