The sex glands, which secrete hormones that regulate sexual development and behavior as well as reproduction, are called __________.
A. the pancreas
B. the gonads
C. cortisol
D. the hypothalamus
Answer: B
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The underlying meaning of a sentence is its __________ structure.
A. surface B. simple C. deep D. complex
The suprachiasmatic nucleus is ____
a. ?the pleasure center in the brain where most addictions arise b. ?the part of the brain that is left in charge when a person is hypnotized c. ?the point through which all sensory systems send their impulses to the cortex of the brain d. ?our internal clock influencing sleep and wakefulness
A researcher seeking an organic basis for schizophrenia would be well-advised to investigate the roles of
a. glycine and GABA. b. adrenaline and noradrenaline. c. histamine and melatonin. d. dopamine and glutamate.
People with specific phobia disorders
a. are often unsure of what they fear. b. may have a mild fear of heights, for example, without experiencing overwhelming anxiety. c. usually recognize that their fears are unreasonable. d. are a very small minority with fewer than two percent of adults having a phobia in their lifetime.