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Chapter 16 - Cardiovascular System Verified
and Updated Questions and Answers (100%
Correct Answers)
The sac that surrounds and protects the heart is called the:
a. Pericardium
b. Myocardium
c. Endocardium
d. Pleural space
Answer: ANS: A
The direction of blood flow through the heart is best described by which of these?
a.Vena cava right atrium right ventricle lungs pulmonary artery left atrium left
ventricle
b.Right atrium right ventricle pulmonary artery lungs pulmonary vein left atrium left
ventricle
c.Aorta right atrium right ventricle lungs pulmonary vein left atrium left ventricle
vena cava
d.Right atrium right ventricle pulmonary vein lungs pulmonary artery left atrium left
ventricle
Answer: ANS:B
The nurse is reviewing the anatomy and physiologic functioning of the heart. Which
statement best describes what is meant by atrial kick?
a. The atria contract during systole and attempt to push against closed valves.
b. Contraction of the atria at the beginning of diastole can be felt as a palpitation.
c. Atrial kick is the pressure exerted against the atria as the ventricles contract
during systole.
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d. The atria contract toward the end of diastole and push the remaining blood into
the ventricles.
Answer: ANS: D
Toward the end of diastole the atria contract and push the last amount of blood
approximately 25 percent of stroke volume into the ventricles. This active filling
phase is called presystole or atrial systole or sometimes the atrial kick.
When listening to heart sounds the nurse knows the valve closures that can be heard
best at the base of the heart are:
a. Mitral and tricuspid
b. Tricuspid and aortic
c. Aortic and pulmonic
d. Mitral and pulmonic
Answer: ANS: C
The second heart sound S2 occurs with the closure of the semilunar aortic and
pulmonic valves and signals the end of systole. Although it is heard over all the
precordium the S2 is loudest at the base of the heart.
Which of these statements describes the closure of the valves in a normal cardiac
cycle?
a. The aortic valve closes slightly before the tricuspid valve.
b. The pulmonic valve closes slightly before the aortic valve.
c. The tricuspid valve closes slightly later than the mitral valve.
d. Both the tricuspid and pulmonic valves close at the same time.
Answer: ANS: C
Events occur slightly later in the right side of the heart because of the route of
myocardial depolarization. As a result two distinct components to each of the heart
sounds exist and sometimes they can be heard separately. In the first heart sound
the mitral component M1 closes just before the tricuspid component T1.
Chapter 16 - Cardiovascular System Verified
and Updated Questions and Answers (100%
Correct Answers)
The sac that surrounds and protects the heart is called the:
a. Pericardium
b. Myocardium
c. Endocardium
d. Pleural space
Answer: ANS: A
The direction of blood flow through the heart is best described by which of these?
a.Vena cava right atrium right ventricle lungs pulmonary artery left atrium left
ventricle
b.Right atrium right ventricle pulmonary artery lungs pulmonary vein left atrium left
ventricle
c.Aorta right atrium right ventricle lungs pulmonary vein left atrium left ventricle
vena cava
d.Right atrium right ventricle pulmonary vein lungs pulmonary artery left atrium left
ventricle
Answer: ANS:B
The nurse is reviewing the anatomy and physiologic functioning of the heart. Which
statement best describes what is meant by atrial kick?
a. The atria contract during systole and attempt to push against closed valves.
b. Contraction of the atria at the beginning of diastole can be felt as a palpitation.
c. Atrial kick is the pressure exerted against the atria as the ventricles contract
during systole.
, Inquire through: | Professional | Confidential Support
d. The atria contract toward the end of diastole and push the remaining blood into
the ventricles.
Answer: ANS: D
Toward the end of diastole the atria contract and push the last amount of blood
approximately 25 percent of stroke volume into the ventricles. This active filling
phase is called presystole or atrial systole or sometimes the atrial kick.
When listening to heart sounds the nurse knows the valve closures that can be heard
best at the base of the heart are:
a. Mitral and tricuspid
b. Tricuspid and aortic
c. Aortic and pulmonic
d. Mitral and pulmonic
Answer: ANS: C
The second heart sound S2 occurs with the closure of the semilunar aortic and
pulmonic valves and signals the end of systole. Although it is heard over all the
precordium the S2 is loudest at the base of the heart.
Which of these statements describes the closure of the valves in a normal cardiac
cycle?
a. The aortic valve closes slightly before the tricuspid valve.
b. The pulmonic valve closes slightly before the aortic valve.
c. The tricuspid valve closes slightly later than the mitral valve.
d. Both the tricuspid and pulmonic valves close at the same time.
Answer: ANS: C
Events occur slightly later in the right side of the heart because of the route of
myocardial depolarization. As a result two distinct components to each of the heart
sounds exist and sometimes they can be heard separately. In the first heart sound
the mitral component M1 closes just before the tricuspid component T1.
