Download Ch 12 Heart Practice Test - Belle Vernon Area School District

Ch 12 Heart Practice Test
1. The right side of the heart forces blood to flow
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.
2. The heart is within the
A. thoracic cavity.
B. mediastinum.
C. abdominal cavity.
D. mediastinum and thoracic cavity.
E. mediastinum and abdominal cavity.
3. The pericardium, or pericardial sac
A. is a double-layered, closed structure.
B. anchors the heart in the mediastinum.
C. has a tough fibrous connective tissue outer layer.
D. has an inner layer of squamous epithelial cells.
E. has all of these characteristics.
4. Which of these is NOT one of the large veins carrying blood to the heart?
A. superior vena cava
B. inferior vena cava
C. pulmonary trunk
D. pulmonary vein
E. coronary sinus
5. A large groove that runs around the heart, and separates the atria from the ventricles is the
A. anterior interventricular septum.
B. posterior interventricular septum.
C. coronary sinus.
D. coronary sulcus.
E. cardiac fissure.
6. The blood vessels that supply blood to the heart tissue are the
A. pulmonary veins.
B. coronary arteries.
C. coronary sinuses.
D. pulmonary trunks.
E. venae cavae.
7. Which of these statements about the coronary arteries is true?
A. The left coronary artery supplies the anterior wall of the heart and most of the left ventricle.
B. The right coronary artery supplies most of the right ventricle.
C. Blood flow through the coronary arteries is greatest during ventricular diastole (relaxation).
D. A heart attack occurs if a coronary artery is blocked.
E. All of these are true.
8. Papillary muscles are attached to the cusps of valves by thin, strong connective tissue strings called
A. the chordae tendineae.
B. the interventricular septa.
C. the auricles.
D. the interventricular sulcus.
E. the coronary sinus.
9. Which of these statements concerning the conduction system of the heart are true?
A. The sinoatrial (SA) node of the heart acts as the pacemaker.
B. The SA node is located on the upper wall of the left atrium.
C. The AV node conducts action potentials rapidly through it.
D. Action potentials are carried slowly through the atrioventricular bundle.
E. Both the sinoatrial (SA) node of the heart acts as the pacemaker and the SA node is located on the upper wall
of the left atrium are true.
10. Given these structures:
1) AV node
2) atrioventricular bundle
3) bundle branches
4) Purkinje fibers
Arrange these parts of the conduction system of the heart in the correct order, as an action potential would pass
through them.
A. 1, 2, 3, 4
B. 1, 3, 2, 4
C. 1, 4, 2, 3
D. 2, 1, 3, 4
E. 3, 1, 2, 4
11. In a normal electrocardiogram (ECG or EKG),
A. the P wave results from repolarization of the atria.
B. the QRS complex results from depolarization of the ventricles.
C. the T wave represents repolarization of the ventricles.
D. during the P-R interval, the ventricles contract.
E. Both the QRS complex results from depolarization of the ventricles and the T wave represents repolarization
of the ventricles are correct relationships.
12. Concerning heart sounds,
A. the first heart sound occurs at the beginning of atrial systole.
B. a heart murmur is caused by abnormal sounds associated with leaky or incompetent valves.
C. the first heart sound is the sound of the semilunar valves closing.
D. the second heart sound is the sound of the blood flowing back into the heart.
E. the first heart sound is the sound of the atrioventricular valves opening.
13. Cardiac output is equal to
A. the volume of blood pumped by either ventricle during one second.
B. the stroke volume times the number of beats per hour.
C. the volume of blood in the body times the number of beats per minute.
D. the stroke volume times the beats per minute.
E. the volume of blood in the body divided by the stroke volume.
14. Pulmonary edema normally follows soon after
A. right heart failure.
B. left heart failure.
C. complete heart failure.
D. left ventricular hypertrophy.
E. primary hypertension.
15. Which of these factors would cause a decrease in cardiac output?
A. increased body temperature
B. increased venous return
C. clinical depression
D. increased epinephrine secretion
E. decreased blood pH
16. Which of these is NOT a factor that increases the risk for cardiovascular disease?
A. smoking
B. hypertension
C. daily aspirin use
D. chronic stress
E. lack of physical exercise
17. The cardioregulatory center of the brain is located in the
A. hypothalamus.
B. medulla oblongata.
C. cerebrum.
D. cerebellum.
E. thalamus.
18. The bicuspid (mitral) valve
A. is the location of the pacemaker cells of a normal heart.
B. prevents blood flow from the right ventricle to the right atrium.
C. prevents blood flow from the left ventricle to the left atrium.
D. prevents blood flow from the pulmonary artery to the right ventricle.
E. prevents blood flow from the aorta to the left ventricle.
19. Repolarization of the ventricles is shown as the ___________ on an EKG.
A. P wave
B. P-Q (or P-R) interval
C. QRS complex
D. Q-T interval
E. T wave
20. Inflammation of the serous pericardium is
A. angioplasty.
B. angina pectoris.
C. an infarct.
D. pericarditis.
E. cardiac tamponade.
Ch 12 Heart Practice Test Key
1. The right side of the heart forces blood to flow
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.
Difficulty: Easy
Seeley - 012 Heart... #1
Type: Knowledge
2. The heart is within the
a. thoracic cavity.
b. mediastinum.
c. abdominal cavity.
D. mediastinum and thoracic cavity.
e. mediastinum and abdominal cavity.
Difficulty: Moderate
Seeley - 012 Heart... #2
Type: Knowledge
3. The pericardium, or pericardial sac
a. is a double-layered, closed structure.
b. anchors the heart in the mediastinum.
c. has a tough fibrous connective tissue outer layer.
d. has an inner layer of squamous epithelial cells.
E. has all of these characteristics.
Difficulty: Moderate
Seeley - 012 Heart... #4
Type: Knowledge
4. Which of these is NOT one of the large veins carrying blood to the heart?
a. superior vena cava
b. inferior vena cava
C. pulmonary trunk
d. pulmonary vein
e. coronary sinus
Difficulty: Moderate
Seeley - 012 Heart... #6
Type: Comprehension
5. A large groove that runs around the heart, and separates the atria from the ventricles is the
a. anterior interventricular septum.
b. posterior interventricular septum.
c. coronary sinus.
D. coronary sulcus.
e. cardiac fissure.
Difficulty: Easy
Seeley - 012 Heart... #7
Type: Knowledge
6. The blood vessels that supply blood to the heart tissue are the
a. pulmonary veins.
B. coronary arteries.
c. coronary sinuses.
d. pulmonary trunks.
e. venae cavae.
Difficulty: Easy
Seeley - 012 Heart... #8
Type: Knowledge
7. Which of these statements about the coronary arteries is true?
a. The left coronary artery supplies the anterior wall of the heart and most of the left ventricle.
b. The right coronary artery supplies most of the right ventricle.
c. Blood flow through the coronary arteries is greatest during ventricular diastole (relaxation).
d. A heart attack occurs if a coronary artery is blocked.
E. All of these are true.
Difficulty: Moderate
Seeley - 012 Heart... #9
Type: Knowledge
8. Papillary muscles are attached to the cusps of valves by thin, strong connective tissue strings called
A. the chordae tendineae.
b. the interventricular septa.
c. the auricles.
d. the interventricular sulcus.
e. the coronary sinus.
Difficulty: Easy
Seeley - 012 Heart... #13
Type: Knowledge
9. Which of these statements concerning the conduction system of the heart are true?
A. The sinoatrial (SA) node of the heart acts as the pacemaker.
b. The SA node is located on the upper wall of the left atrium.
c. The AV node conducts action potentials rapidly through it.
d. Action potentials are carried slowly through the atrioventricular bundle.
e. Both the sinoatrial (SA) node of the heart acts as the pacemaker and the SA node is located on the upper wall
of the left atrium are true.
Difficulty: Moderate
Seeley - 012 Heart... #21
Type: Knowledge
10. Given these structures:
1) AV node
2) atrioventricular bundle
3) bundle branches
4) Purkinje fibers
Arrange these parts of the conduction system of the heart in the correct order, as an action potential would pass
through them.
A. 1, 2, 3, 4
b. 1, 3, 2, 4
c. 1, 4, 2, 3
d. 2, 1, 3, 4
e. 3, 1, 2, 4
Difficulty: Moderate
Seeley - 012 Heart... #22
Type: Comprehension
11. In a normal electrocardiogram (ECG or EKG),
a. the P wave results from repolarization of the atria.
b. the QRS complex results from depolarization of the ventricles.
c. the T wave represents repolarization of the ventricles.
d. during the P-R interval, the ventricles contract.
E. Both the QRS complex results from depolarization of the ventricles and the T wave represents repolarization
of the ventricles are correct relationships.
Difficulty: Moderate
Seeley - 012 Heart... #23
Type: Knowledge
12. Concerning heart sounds,
a. the first heart sound occurs at the beginning of atrial systole.
B. a heart murmur is caused by abnormal sounds associated with leaky or incompetent valves.
c. the first heart sound is the sound of the semilunar valves closing.
d. the second heart sound is the sound of the blood flowing back into the heart.
e. the first heart sound is the sound of the atrioventricular valves opening.
Difficulty: Moderate
Seeley - 012 Heart... #26
Type: Knowledge
13. Cardiac output is equal to
a. the volume of blood pumped by either ventricle during one second.
b. the stroke volume times the number of beats per hour.
c. the volume of blood in the body times the number of beats per minute.
D. the stroke volume times the beats per minute.
e. the volume of blood in the body divided by the stroke volume.
Difficulty: Easy
Seeley - 012 Heart... #27
Type: Knowledge
14. Pulmonary edema normally follows soon after
a. right heart failure.
B. left heart failure.
c. complete heart failure.
d. left ventricular hypertrophy.
e. primary hypertension.
Difficulty: Moderate
Seeley - 012 Heart... #29
Type: Comprehension
15. Which of these factors would cause a decrease in cardiac output?
a. increased body temperature
b. increased venous return
C. clinical depression
d. increased epinephrine secretion
e. decreased blood pH
Difficulty: Moderate
Seeley - 012 Heart... #32
Type: Comprehension
16. Which of these is NOT a factor that increases the risk for cardiovascular disease?
a. smoking
b. hypertension
C. daily aspirin use
d. chronic stress
e. lack of physical exercise
Difficulty: Easy
Seeley - 012 Heart... #34
Type: Knowledge
17. The cardioregulatory center of the brain is located in the
a. hypothalamus.
B. medulla oblongata.
c. cerebrum.
d. cerebellum.
e. thalamus.
Difficulty: Easy
Seeley - 012 Heart... #35
Type: Knowledge
18. The bicuspid (mitral) valve
a. is the location of the pacemaker cells of a normal heart.
b. prevents blood flow from the right ventricle to the right atrium.
C. prevents blood flow from the left ventricle to the left atrium.
d. prevents blood flow from the pulmonary artery to the right ventricle.
e. prevents blood flow from the aorta to the left ventricle.
Difficulty: Easy
Seeley - 012 Heart... #41
Type: Knowledge
19. Repolarization of the ventricles is shown as the ___________ on an EKG.
a. P wave
b. P-Q (or P-R) interval
c. QRS complex
d. Q-T interval
E. T wave
Difficulty: Easy
Seeley - 012 Heart... #46
Type: Knowledge
20. Inflammation of the serous pericardium is
a. angioplasty.
b. angina pectoris.
c. an infarct.
D. pericarditis.
e. cardiac tamponade.
Difficulty: Easy
Seeley - 012 Heart... #54
Type: Knowledge
Category
# of Questions
Difficulty: Easy
10
Difficulty: Moderate
10
Seeley - 012 Heart...
20
Type: Comprehension
4
Type: Knowledge
16