What is a teratogen?
A. a segment of DNA crucial to reproduction
B. the source of nutrients for a developing fetus
C. an environmental factor that produces birth defects
D. another term for "fallopian tube"
Answer: C
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Why do people almost never act out their dreams during REM sleep? a. The content of most dreams includes conversations with no action. b. People learn, beginning in early childhood, to remain quietly in bed. c. Brain activity is at its minimum during REM sleep
d. The major postural muscles are paralyzed during REM sleep.
The corpus callosum is:
A) the largest structure in the human brain. B) the band of nerve fibers connecting the two hemispheres. C) involved in emotional memory and learning. D) all of the above
The hippocampus is one of the first brain areas to be affected in patients who have Alzheimer's disease.
Answer the following statement true (T) or false (F)
A child who constructs the sentence, "The dog walks the lady" is
a. confusing denotative and connotative meaning. b. violating rules for converting phonemes into morphemes. c. ignoring syntax. d. mastering language through imitation.