Photoreceptors are located in the

A. cornea.
B. sclera.
C. choroids.
D. retina.


Answer: D

Anatomy & Physiology

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What specific receptor cells respond to chemicals dissolved in saliva?

A) taste bud cells B) hair cells C) olfactory cells D) gustatory cells

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In general, sympathetic preganglionic fibers are ________ and postganglionic fibers are ________

A) long; short B) short; long C) long; long D) short; short

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Which organs function to remove old, worn out red blood cells?

A. Liver and kidney B. Liver and bone marrow C. Liver and spleen D. Spleen and kidney

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The force that moves air into the lungs during inspiration comes from the

A. diaphragm. B. atmospheric pressure. C. external intercostal muscles. D. abdominal wall muscles.

Anatomy & Physiology