Which of the following is true about oligodendrocytes?
A. These are the least common glial cells in the brain.
B. These are the most common glial cells in the brain.
C. These are found exclusively in the nervous system outside of the brain.
D. These perform the function of removing waste from the nervous system.
Answer: B
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Which of the following refers to the procedure whereby those individuals who are most susceptible to contracting certain communicable diseases are administered a vaccine?
A. immunization B. sterilization C. castration D. all of these
Nicki Crick and Kenneth Dodge's circular model showing the steps of social problem solving takes a(n) __________ approach
A) Piagetian B) information-processing C) Vygotskian D) ethological
Solon, a philosopher in ancient Greece, segmented development into a series of __________-year periods.
A. 3 B. 7 C. 10 D. 20
Regarding the symptoms of psychosis, which of the following statements is FALSE?
a. The most common psychotic hallucination is hearing voices. b. A flat affect and a lack of emotion are considered to be positive symptoms of psychosis. c. Psychotic speech tends to be so garbled and chaotic that it sometimes sounds like a "word salad." d. When psychotic disturbances and a fragmented personality are evident for weeks or months, the person has suffered a psychosis.