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Human Anatomy & Physiology II
Quiz 2
Name: ________________________
1.
Which layer of the pericardium is closest to the myocardium?
a. fibrous pericardium
b. parietal pericardium
c. visceral pericardium
2.
After an erythrocyte passes through the pulmonary trunk, the next valve the
erythrocyte passes through is the
a. aortic semilunar valve.
b. bicuspid (mitral) valve.
c. pulmonary semilunar valve.
d. tricuspid valve.
3.
The fact that a cardiac muscle cell can contract on its own is the property of
a. rhythmicity.
b. intercalacity.
c. automaticity.
d. contractility.
e. extensibility.
4.
Which one of the following lists shows the order in which electrical activity
spreads across the heart?
a. AV node → SA node → atrioventricular bundle → Purkinje fibers
b. SA node → AV node → Purkinje fibers → atrioventricular bundle
c. Purkinje fibers → AV node → SA node → atrioventricular bundle
d. SA node → AV node → atrioventricular bundle → Purkinje fibers
5.
Semilunar valves are open at the same time atrioventricular valves are shut during
a. ventricular filling.
b. ventricular systole.
c. isovolumetric relaxation.
d. All of the responses above are correct.
e. None of the responses above is correct.
6.
Which one of the following factors will tend to increase cardiac output?
a. a decrease in stroke volume
b. a decrease in ESV
c. a decrease in EDV
d. All of the responses above are correct.
e. None of the responses above is correct.
Human Anatomy & Physiology II
Quiz 2
Name: ________________________
1.
Which layer of the pericardium is farthest from the myocardium?
a. fibrous pericardium
b. parietal pericardium
c. visceral pericardium
2.
After an erythrocyte passes through the venae cavae, the next valve the erythrocyte
passes through is the
a. aortic semilunar valve.
b. bicuspid valve.
c. pulmonary semilunar valve.
d. tricuspid valve.
3.
The fact that a cardiac muscle cell can contract on its own is the property of
a. automaticity.
b. rhythmicity.
c. intercalacity.
d. contractility.
e. extensibility.
4.
Which one of the following shows the order in which electrical activity spreads
across the heart?
a. AV node → SA node → atrioventricular bundle → Purkinje fibers
b. SA node → AV node → atrioventricular bundle → Purkinje fibers
c. Purkinje fibers → AV node → SA node → atrioventricular bundle
d. SA node → AV node → Purkinje fibers → atrioventricular bundle
5.
Semilunar valves are open at the same time atrioventricular valves are shut during
a. ventricular filling.
b. ventricular systole.
c. isovolumetric relaxation.
d. All of the responses above are correct.
e. None of the responses above is correct.
6.
Which one of the following factors will tend to decrease cardiac output?
a. an increase in stroke volume
b. a decrease in ESV
c. a decrease in EDV
d. All of the responses above are correct.
e. None of the responses above is correct.