What is the longest stage of the sleep cycle? Choose the correct option
A) Stage 1 – lightest stage of sleep
B) Stage 2 – characterized by sleep spindles and K complex
C) Stage 3 – large-amplitude, slow delta rhythms
D) Stage 4 – the deepest stage of sleep and slowest rhythms
Ans: D
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The most prevalent degenerative disease(s) in the U.S. is (are)
a. Alzheimer's disease. b. cardiovascular diseases. c. chronic diseases. d. Parkinson's disease.
A medical term that means lymph vessel tumor is ____________________
Fill in the blank(s) with correct word
An injury to the skin that causes discoloration and swelling without breaking the skin surface is known as a:
A. contusion B. laceration C. fissure D. vesicle
The expiration date for a nonsterile drug in a unit-dose package is
A) 3 months B) 6 months C) 1 year D) the manufacturer's expiration date if greater than 1 year