Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Refer
to the illustration above. The cerebrum is labeled
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2.
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A
reflex a. | is a sudden,
involuntary movement of | b. | is not under conscious control. | c. | is not
learned.muscles in response to a stimulus. | d. | All of the above | | |
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3.
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The
layer of photoreceptors and neurons at the back of the eye is called the a. | retina. | c. | iris. | b. | cochlea. | d. | optic nerve. | | | | |
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4.
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Sensory receptors essential for balance are located in the a. | eyes. | c. | cochlea of the
inner ear. | b. | eardrum. | d. | semicircular canals. | | | | |
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5.
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Narcotics affect the nervous system’s control of pain perception
by a. | blocking
dopamine reabsorption. | c. | inhibiting
dopamine production. | b. | mimicking cocaine. | d. | mimicking enkephalins. | | | | |
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