Multiple sclerosis is a disease that involves problems with the

a. dendrites.
b. soma, or cell body.
c. axon.
d. myelin sheath.
e. terminal buttons.

d. myelin sheath.

Psychology

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One of the findings from Sue Savage-Rumbaugh's work with the apes Kanzi and Mulika is that they

a. can communicate through spoken language. b. acquire the meaning for certain symbols spontaneously by observing others. c. communicate only with each other and exclude other apes and humans. d. cannot acquire the meaning of spoken words.

Psychology

International studies have shown that in several countries, smoking is more prevalent among

a. girls than boys. c. equally prevalent. b. boys than girls. d. neither boys nor girls.

Psychology