What is the function of the iris?
A. Change the shape of the lens
B. Open the eyelids
C. Control the size of the pupil
D. Refract light
Answer: C. Control the size of the pupil
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When a muscle undergoes atrophy in response to disuse
A. the size of actin and myosin filaments decreases. B. the muscle swells. C. capillaries and vessels rupture. D. motor neurons grow and invade abnormally.
Which of the following is a potential consequence of kidney disease?
a. cardiac disturbances b. skeletal abnormalities c. anemia d. acidosis e. all of these answers.
Which of the following parts of the eye refract light to focus it on the retina?
What will be an ideal response?What will be an ideal response?
Several days after an initial contact with an antigen, antibody blood levels increases. This is a
A. primer response. B. primary response. C. precipitating response. D. principle response. E. cascade response.