Regarding gustation, which of the following statements is FALSE?
a. Most taste buds are found around the top edges of the tongue, although some receptors are located under the tongue and in the lining of the mouth.
b. As food is chewed, it dissolves and enters the taste buds, where it sets off nerve impulses to the brain.
c. The lock and key theory explains the taste sensations of saltiness and sourness.
d. If you plug your nose, small bits of apple, potato, and onion will "taste" almost exactly alike.
C
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Electrodes placed in which location are likely to produce the highest rates of self-stimulation by an animal?
a. amygdala b. cerebral cortex c. medial forebrain bundle d. posterior
Many elderly people do not consider themselves as "old.". This is particularly the case for individuals who
a. still own their home. b. have grandchildren. c. are socially and physically active. d. are over age 90.
To critics of the idea that animals can learn language, a highly trained circus animal that responds to its trainer’s verbal requests would not be convincing primarily because of the critics’ arguments that such behavior ____
a. ?is simply not possible given the animal’s small cortex b. has been shown to be a product of a hoax carried out by fraudulent researchers? c. does not fit our understanding of evolutionary processes? d. merely reflects behavioral conditioning?
According to James Marcia, which of the following is a true statement?
a. Once adolescents enter an identity status, they stay there. b. Many adolescents start out as diffused and foreclosed, but by late adolescence they move toward moratorium and identity achievement. c. Many adolescents start out in moratorium, but by late adolescence they move toward foreclosure and diffusion. d. Many adolescents start out in foreclosure, but by late adolescence they move toward diffusion and identity achievement.