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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
aorta
B
pulmonary artery
C
inferior vena cava
D
pulmonary vein
2) The order of blood flow through the vessels is:
A
veins, venules, capillaries, arterioles, and arteries.
B
arteries, arterioles, capillaries, venules, and veins.
C
arterioles, venules, capillaries, arteries, and veins.
D
arterioles, arteries, capillaries, veins, and venules.
3) The ECG deflection wave produced during repolarization(relaxation) of the ventricle is the:
A
QRS complex.
B
U wave.
C
P wave.
D
T wave.
4) In taking the pulse, the artery most commonly used is the _____.
A
femoral
B
brachial
C
carotid
D
radial
5) Blood flow through the veins is regulated by ____.
A
one-way valves in the veins.
B
tunica intima
C
thick, muscular walls.
D
precapillary sphincters.
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
slower heart rate, around 50 BPM
B
atrial fibrillations
C
ventricular fibrillations
D
increased heart rate, around 120 BPM
7) The normal pattern of impulse conduction through the heart is:
A
SA node, AV node, bundle of His, and Purkinje fibers.
B
AV node, SA node, Purkinje fibers, and bundle of His.
C
SA node, AV node, Purkinje fibers, and bundle of His.
D
AV node, SA node, bundle of His, and Purkinje fibers.
8) Which of the following is not an atrioventricular valve?
A
Aortic
B
Tricuspid
C
Mitral
D
Bicuspid
9) The saclike structure around the heart is the:
A
myocardium.
B
pericardium.
C
endocardium.
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
jugular vein
B
subclavian vein
C
aorta
D
carotid artery
*select an answer for all questions
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