When does the heart begin beating?

A. Week 20 of development
B. A few hours after conception
C. Week 10 of development
D. Week 3 of development
E. Week 17 of development


Answer: D

Anatomy & Physiology

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A reduction in sensitivity to a continually applied stimulus is called

A.  sensation. B.  tonicity. C.  conscious awareness. D.  adaptation. E.  transduction.

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Unconscious, automatic, stereotyped responses to stimulation that involve visceral receptors and effectors are called __________ reflexes.

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

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Myxedema commonly occurs in:

a. middle-aged men. b. children. c. middle-aged women. d. older women.

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What is the action of flexor carpi ulnaris?

A) flex the index finger B) flex the hand C) flex the thumb D) flex the little finger

Anatomy & Physiology