In the CNS, axons are myelinated by
A) vesicles.
B) oligodendrocytes.
C) unipolar cells.
D) astrocytes.
E) Schwann cells.
Answer: B
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Which of the following poses a difficulty in evaluating personality tests?
a. Most people are unwilling to allow psychologists to evaluate their personality. b. Personality fluctuates substantially from one time to another, for most individuals. c. The personality tests with the highest validity tend to have the lowest reliability. d. Most people accept almost any assessment of themselves as valid.
The biggest difference between Vygotsky's approach to development and that of Piaget and the information-processing approach is that Vygotsky placed more emphasis on a. the impact of culture
b. stages of development. c. thinking. d. unconscious thoughts.
The tendency to revert to a fixed (or modal) action pattern is called instinctive drift
Indicate whether the statement is true or false
Drugs that depress the activity of the central nervous system are known as _____
a. stimulants b. sedatives c. hallucinogens d. GABAs