Light enters the eye through an opening in the center of the iris called the ____
a. retina
b. cornea
c. pupil
d. macula
c
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According to drive theorists, the foremost motivation for all organisms is to
a. achieve self-actualization. b. maintain homeostasis. c. ensure their own survival and the survival of their species. d. experience as much pleasant stimulation as possible.
Because dreams are often populated with anxiety-producing images (for example, heights, monsters, major exams for which you forgot to study, or being naked in public), it is not surprising to find that the _____ is quite active during REM sleep.
A) pituitary gland B) prefrontal cortex C) amygdala D) hypothalamus
Westermark's theory was that people inherently avoid sexual relations with those whom they grow up with because
a. they fear the social taboo. b. they do not want to upset the family structure. c. early familiarity results in dislike for one another. d. early familiarity results in a lack of sexual attraction when they become adolescents and adults.
After drinking several cups of strong coffee, a person develops "coffee nerves" or "jitters." This probably is due to the ability of caffeine to ______
a. block adenosine receptor sites b. inhibit enzymes which break down excitatory neurotransmitters c. cause an increase in the release of excitatory neurotransmitters d. cause neurotransmitters to leak out of the synaptic vesicles and be destroyed by enzymes