Postmortem studies of brains of gay and heterosexual men and women have shown differences in the size of:
A. the suprachiasmatic nucleus (SCN).
B. the corpus callosum.
C. the cerebral cortex.
D. the occipital lobe.
Answer: A
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Jeremy is sitting quietly when the muscles in his left leg begin to "twitch.". This activation of movement in his voluntary muscles is most likely due to the release of the neurotransmitter
a. serotonin. b. dopamine. c. acetylcholine. d. norepinephrine.
Because the need for ________ appears so early in human development, many psychologists believe it serves an evolutionary role in encouraging humans to learn, develop, and adapt to their environment
a. autonomy b. competence c. universality d. entity
What did Adler believe powerfully shapes the development of the personality?
A) Environment B) Parental care C) Birth order D) Social circle
Changing dietary needs means that older adults are at risk for ______.
A. overeating B. nutritional deficiency C. nutritional overload D. heightened metabolic activity