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.
right atrium
B.
left ventricle
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.
blood pressure in ventricles is decreasing
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.
long plateau phase
C.
propagate with decrement
D.
can summate
Question #5
An incompetent mitral valve prevents backflow during systole.
A.
TRUE
B.
FALSE
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