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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The
myelin sheath a. | transmits
impulses from one neuron to another. | b. | insulates synapses. | c. | nourishes
neurons. | d. | insulates axons. | | |
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2.
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unmyelinated axon : slow nerve impulses :: a. | neuron : being
composed of many axons | b. | nerve impulse : not traveling through
axons | c. | myelinated axon : fast nerve impulses | d. | dendrite :
sending information | | |
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3.
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When
the ligament below the patella is tapped, the quadriceps contracts, the hamstrings relax, and the leg
rapidly a. | contracts | c. | extends | b. | relaxes | d. | None of the above | | | | |
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4.
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How
many lobes are there in the brain?
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5.
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When
we hear, a. | sound waves
enter the ear canal and strike the eardrum. | b. | the membrane in
the cochlea moves. | c. | the auditory nerve carries nerve impulses to the
brain. | d. | All of the above | | |
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