The main motor nerve to the muscles of facial expression is:

a. trigeminal
b. facial
c. accessory
d. hypoglossal


Answer: b. facial

Anatomy & Physiology

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When two or more atoms are chemically linked, the smallest unit of the resulting material is referred to as a(n) ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Paralysis of the extremities would MOST likely result from injury to the:

A) cerebellum. B) diencephalon. C) cerebral cortex. D) hypothalamus.

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The region of the sarcomere that always contains only thin filaments is the

A) Z line. B) M line. C) H band. D) A band. E) I band.

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The knee-jerk reflex involves which of the following?

A. sensory and motor neurons B. sensory, association and motor neurons C. sensory, motor and inhibitory interneurons D. sensory and association neurons E. the brain

Anatomy & Physiology