The microscopic feature that accounts for the white clinical appearance of lichen planus is:

a. Fibrin membrane over a chronic ulcer
b. Intracellular edema of keratinocytes
c. Acanthosis
d. Hyperkeratosis
e. Vasculitis

D

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Rectal administration of medication:

a. results in rapid drug absorption. b. is subject to hepatic alteration. c. has an unpredictable absorption rate. d. should not be used for Valium.

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Answer the following statement(s) true (T) or false (F)

1. Osteoblasts break down bone.  2. Osteoclasts break down bone.  3. Osteoblasts replace bone.  4. Bones are made up of osseous tissue, muscles, and blood vessels.  5. Carpal tunnel syndrome can cause a person to lose sensation in the affected hand. 

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