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Circulatory System 2
Test Description: Heart Anatomy and Physiology
Instructions: Answer all questions to get your test result.
1) Which of the following vessels carrier blood from the lungs to the heart?
A
pulmonary artery
B
pulmonary vein
C
inferior vena cava
D
aorta
2) The order of blood flow through the vessels is:
A
arterioles, venules, capillaries, arteries, and veins.
B
arteries, arterioles, capillaries, venules, and veins.
C
arterioles, arteries, capillaries, veins, and venules.
D
veins, venules, capillaries, arterioles, and arteries.
3) The ECG deflection wave produced during repolarization(relaxation) of the ventricle is the:
A
P wave.
B
T wave.
C
QRS complex.
D
U wave.
4) In taking the pulse, the artery most commonly used is the _____.
A
radial
B
carotid
C
femoral
D
brachial
5) Blood flow through the veins is regulated by ____.
A
precapillary sphincters.
B
thick, muscular walls.
C
one-way valves in the veins.
D
tunica intima
6) If the SA node were to stop functioning and the AV node were to take over, what would be the overall effect on the heart?
A
ventricular fibrillations
B
atrial fibrillations
C
slower heart rate, around 50 BPM
D
increased heart rate, around 120 BPM
7) The normal pattern of impulse conduction through the heart is:
A
SA node, AV node, Purkinje fibers, and bundle of His.
B
SA node, AV node, bundle of His, and Purkinje fibers.
C
AV node, SA node, bundle of His, and Purkinje fibers.
D
AV node, SA node, Purkinje fibers, and bundle of His.
8) Which of the following is not an atrioventricular valve?
A
Tricuspid
B
Mitral
C
Bicuspid
D
Aortic
9) The saclike structure around the heart is the:
A
myocardium.
B
endocardium.
C
pericardium.
D
epicardium.
10) If someone receives a traumatic injury to the neck and blood shots out of their neck in strong, regular bursts, which blood vessels has most likely been injured?
A
subclavian vein
B
carotid artery
C
aorta
D
jugular vein
*select an answer for all questions
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