Adjustment to close-range vision involves all of the following except __________.
A. activity of the extrinsic eye muscles
B. change in the curvature of the lens
C. constriction of the pupil
D. ciliary muscle activity
E. light adaptation
E. light adaptation
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The nose serves all of the following functions EXCEPT ________
A) cleansing the air B) warming and humidifying the air C) as a passageway for air movement D) as the direct initiator of the cough reflex
In case of hemorrhage, platelets are stored as a reserve in
A) the heart. B) the kidneys. C) the spleen. D) the thymus gland. E) bone marrow.
Which of the following is not true of enzymes?
a. They function on the lock and key model. b. They are functional proteins. c. They are catalysts. d. All of the above are true of enzymes.
When the left ventricle contracts, the distance from the apex to the base
A) increases. B) decreases. C) remains unchanged.