Why may neural repair be difficult in the mammalian CNS?
A. The adult nervous system makes too much of the chemical for growth, so the cell does not "know" in which direction to grow.
B. The immune cells necessary for protection of the neuron during growth are no longer in the vicinity.
C. Scar tissue may block the original pathway.
D. Glial cells are absent.
Answer: C
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On average, the personality of young people today differs from what their parents or grandparents showed at the same age. What does this trend demonstrate?
a. An actor-observer effect b. A genetic effect c. A birth order effect d. A cohort effect
The idea that males and females of approximately equal physical attractiveness are likely to select each other as partners refers to the
a. matching hypothesis. b. propinquity hypothesis. c. attitude-behavior consistency principle. d. attributional outcome principle.
An incompatible behavior is one that:
a. is not desirable in that situation. b. suppresses anxiety and worry. c. prevents the occurrence of some other behavior. d. has more purpose than an unwanted behavior.
Crystallized intelligence is measured by tests of vocabulary, arithmetic, and general information
a. true b. false