Researchers found that for autism and schizophrenia, the number of de novo mutations leading to those conditions went up with the age of __________.
A. the father but not the mother
B. both the father and the mother
C. the mother but not the father
D. neither the father nor the mother
Answer: A
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Alice has lost sensitivity to pain only on the left side of her face. Why is it reasonable to suspect that Alice suffers from conversion disorder?
a. Conversion disorder often involves loss of sensitivity to pain. b. Conversion disorder does not usually involve bilateral symptoms. c. There is no possible organic explanation for why someone would lose pain sensation in the face. d. The nerves involved in pain sensation do not divide the face neatly in half.
We enter REM sleep from:
A. wakefulness B. drowsiness C. Stage 4 sleep D. Stage 2 sleep
As compared to girls, the adolescent growth spurt typically __________ for boys
a. begins earlier b. takes less time c. is less noticeable d. lasts longer
By age 5, the brain has reached ____ percent of its adult weight
Fill in the blank(s) with correct word