A&P HESI A2 PRACTICE TEST-COMPLETE
EXAM SET WITH ACTUAL QUESTIONS AND
VERIFIED ANSWERS 2026
which of the following is true of skeletal muscles? (choose all that apply)
a. skeletal muscle comprises 10% of the body's weight.
b. skeletal muscle attaches to bones by tendons
c. muscle contraction helps keep the body warm
d. skeletal muscles continuously contract to maintain posture. - correct-answer -
skeletal muscle attaches to bones by tendons.
muscle contraction helps keep the body warm
skeletal muscles continuously contract to maintain posture.
which of the following are needed for a muscle cell to contract?
a. calcium and (adp)
b. calcium and (atp)
c. potassium and calcium
d. sodium and calcium - correct-answer -calcium and atp
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if an impulse is traveling from a sense receptor toward the spinal cord, it is
traveling along what type of neuron?
a. motor neuron
b. sensory neuron
c. interneuron
d. bipolar neuron - correct-answer -sensory neuron
what does the parathyroid hormone regulate?
a. magnesium
b. calcium
c. calcitonin
d. glucocorticoids - correct-answer -calcium
where are the pressoreceptors and chemoreceptors (specialized sensory nerves
that assist with the regulation of circulation and respiration) located?
a. circle of willis
b. cerebral arteries
c. abdominal aorta
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d. carotid body - correct-answer -carotid body
bile is secreted into which organ?
a. small intestine
b. liver
c. large intestine
d. stomach - correct-answer -small intestine
what is the role of progesterone in the female reproductive system?
a. stimulates ovulation
b. conversion of the follicle to the corpus luteum
c. stimulates the development of the endometrium
d. stimulates the start of menstruation - correct-answer -stimulates the
development of the endometrium
how does the trachea remain open like a hollow tube?
a. air pressure inside keeps it open
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b. supporting cartilaginous rings keep it open
c. it is reinforced with bone that cannot collapse
d. special muscles are working to keep the trachea open - correct-answer -
supporting cartilaginous rings keep it open
what mineral is responsible for muscle contraction?
a. chloride
b. sodium
c. calcium
d. magnesium - correct-answer -calcium
a tissue examined under the microscope exhibits the following characteristics:
cells found on internal surface of stomach, no extracellular matrix, cells tall and
thin, no blood vessels in the tissue. what type of tissue is this?
a. epithelial
b. connective
c. muscle
d. cartilage
e. nervous - correct-answer -epithelial