Keratinocytes

a. form the outer protective layer of the skin
b. secrete interleukin 1
c. present antigens to helper T cells
d. have characteristics a and b
e. have characteristics a and c


D

Anatomy & Physiology

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What are the stem cells of the olfactory epithelium called?

A) basal cells B) receptor cells C) bipolar cells D) supporting cells

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Sympathetic fibers originate from ____________________ and ____________________ spinal nerves

Fill in the blank(s) with correct word

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The joule is the international unit for one calorie

Indicate whether the statement is true or false

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In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ________ ions from the cell and imports ________ ions

A) potassium; calcium B) sodium; calcium C) potassium; sodium D) sodium; potassium E) calcium; sodium

Anatomy & Physiology