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.
right ventricle
B.
left atrium
C.
right atrium
D.
left ventricle
Question #3
Which is true during systole?
A.
heart muscle is repolarizing
B.
blood pressure in ventricles is decreasing
C.
heart chambers are ejecting blood
D.
heart chambers are filling with blood
Question #4
Which is true of the cardiac action potential of myocardial contractile cells?
A.
short refactory period
B.
propagate with decrement
C.
long plateau phase
D.
can summate
Question #5
An incompetent mitral valve prevents backflow during systole.
A.
TRUE
B.
FALSE
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