The muscle that causes the look of fear by tensing the skin of the neck is the

A. zygomaticus major.
B. platysma.
C. buccinator.
D. orbicularis oculi.
E. orbicularis oris.


Answer: B

Anatomy & Physiology

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The Pap smear looks for abnormal cytology of the

A) vagina. B) uterus. C) uterine tube. D) cervix. E) ovary.

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Which nerve carries more than 90% of the parasympathetic fibers?

A. Glossopharyngeal B. Phrenic C. Pelvic splanchnic D. Vagus E. Facial

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Because the response of a nerve fiber is all-or-none, a greater intensity of stimulus does

not produce a stronger impulse. Indicate whether the statement is true or false

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The maximum normal glucose concentration in the plasma is about ____ mg per 100 ml

a. 30 b. 60 c. 100 d. 180 e. 250

Anatomy & Physiology