A special group of neurons in the gray matter of the brain stem that plays a role in consciousness and the awake/sleep cycles is the ________
A) cerebrum
B) reticular activating system (RAS)
C) pineal gland
D) limbic system
E) cerebellum
B
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Indicate whether the statement is true or false
When ice skating at Rockefeller Center, a young skater got thoroughly chilled. Which of his body's reaction to the cold gave him "goose pimples"?
A. Faster subcutaneous blood flow B. Dehydration of his skin surface by cold C. His skin hairs pulling his skin muscles together D. Contraction of erector muscles in his skin
Which of the following combining forms refers to uterine tube?
A. uter/o B. metr/o C. cervic/o D. salping/o
At what age do the sutures of the skull solidify and the fontanelles close?
A) 18 months B) 2 years C) 36 months D) 4 years