Biology 241 - Accelerated General Human Physiology » Summer 2021 » Quiz 12
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Question #1
Blood cells replace themselves using hematopoiesis.
A.
TRUE
B.
FALSE
Question #2
The pulmonary circuit contains the pulmonary trunk, which receives blood from which heart chamber?
A.
left ventricle
B.
right atrium
C.
left atrium
D.
right ventricle
Question #3
Which is true during systole?
A.
heart chambers are ejecting blood
B.
heart muscle is repolarizing
C.
heart chambers are filling with blood
D.
blood pressure in ventricles is decreasing
Question #4
Which is true of the cardiac action potential of myocardial contractile cells?
A.
short refactory period
B.
propagate with decrement
C.
can summate
D.
long plateau phase
Question #5
An incompetent mitral valve prevents backflow during systole.
A.
FALSE
B.
TRUE
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