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A&P II Exam 1 multiple choice Question and Answer
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A&P II Exam 1 multiple choice Questionand Answer 2024-2025
A differentiating red blood cell would normally:
a.) lose its nucleus after getting into circulation
b.) begin accumulating hemoglobin while still a stem cell
c.) change its shape before getting into circulation
d.) all of the above - correct answer ✅c.) change its
shape before getting into circulation
Which of the following sites will old platelets be stored
temporarily as a reserve against a major blood loss
event?
a.) bone marrow
b.) liver
c.) spleen
d.) pituitary - correct answer ✅c.) spleen
The involuntary cardiac centers in the human brain are
located in the:
a.) cerebrum
b.) cerebellum
c.) medulla
d.) pons - correct answer ✅c.) medulla
, A&P II Exam 1 multiple choice Question
and Answer 2024-2025
The body reacts to changes in blood gas levels by
changing cardiac output and blood flow patterns. What
type of receptors send information so that the body can
react to changing blood CO2 levels?
a.) baroreceptors
b.) chemoreceptors
c.) proprioreceptors
d.) none of the above - correct answer ✅b.)
chemoreceptors
Which of the following decrease the rate of the heart
beating?
a.) increased blood volume returning to the heart
b.) increased sympathetic stimulation
c.) increased parasympathetic stimulation
d.) decreased end systolic volume - correct answer
✅c.) increased parasympathetic stimulation
The papillary muscle contracts when:
a.) the atrium contracts
b.) the AV valve needs to close
c.) slightly after the start of ventricular contraction
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