If schizophrenia were exclusively a genetic disorder,
A) numerous cures would now be available.
B) marrying a schizophrenic would not increase the likelihood of developing schizophrenia.
C) the concordance rate for dizygotic twins would be 100%.
D) anyone with schizophrenia in their family history would develop schizophrenia.
C
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Your friend's grandfather just had a prescription filled. When you look up the brand name for the drug on the Internet, you discover the drug primarily affects levels of serotonin in the brain. Based on this information, it is most likely that your friend's grandfather is being treated for:
a. anxiety b. depression c. Parkinson's disease d. Alzheimer's disease
During the development of your four-year-old nephew's brain, a number of neurons died and many synapses were pruned. As a result, when he is older, he will
A. suffer from intellectual disability. B. probably be totally normal. C. not be able to learn to talk. D. have normal speech, but his intellectual functioning will be lower than normal.
Mick, age 23, is a college graduate whose career plans, relationship status, and even living arrangements seem to change every 6 months. Which aspect of emerging adulthood is Mick demonstrating?
A. self-focus B. instability C. identity exploration D. optimism
Breast development, deepening of the voice, growth of body hair, and changes in the skin are considered secondary sex characteristics because they ______.
A. happen after the maturation of the ovaries and testes B. indicate physical maturation but are indirectly related to fertility C. are unimportant changes D. happen at the end of puberty