Catecholamines are secreted from the adrenal medulla in response to

a. increased secretion of ACTH from the anterior pituitary
b. direct sympathetic nervous system stimulation
c. decreased androgen secretion from the adrenal cortex
d. a tropic hormone secreted by the pituitary
e. stimulation by chromaffin-releasing hormone


B

Anatomy & Physiology

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The expression of genetics through an individual's appearance and characteristics is the:

A) genotype B) phenotype C) karyotype D) none of the above

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The type of muscle fibers that are striated, form Y-shaped branches, and have junctions called intercalated discs are

A. skeletal and voluntary. B. smooth. C. voluntary. D. cardiac. E. skeletal.

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The antecubital region is ______ to the brachial region

Fill in the blank with correct word.

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A goiter is a growth on the:

a. pancreas. b. parathyroids. c. pituitary. d. thyroid.

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