A 19-year-old college student reports to his primary care provider that he cannot stay awake in class regardless of how much sleep he gets. Under-stimulation of which area of the brain is likely the site of the problem?
a. Corpora quadrigemina
b. Reticular activating system
c. Cerebellum
d. Hypothalamus
ANS: B
The reticular activating system is responsible for wakefulness, not the corpora quadrigemina, the cerebellum, or the hypothalamus.
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Convert 506 mcg to milligrams: _______ (use appropriate unit notation)
Fill in the blank(s) with correct word
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