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