Electrical wires are generally protected by a tube of plastic. Similarly, the nervous system is insulated by a

A. myelin sheath.
B. terminal button.
C. glial cell.
D. synapse.


Answer: A

Psychology

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The most widely used psychological treatment for OCD related disorders is

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Check and Malamuth (1981) showed men and women films in which women were victims of either erotic or nonerotic aggression. They found

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Why do 6-month-olds laugh at uncommon occurrences, such as someone making a funny sound?

A. Infants have developed social referencing by this age and are entertained by the actions of others. B. Infants know what to expect by this age and are surprised when something unexpected occurs. C. Infants have not developed the cognitive competence to understand unusual occurrences. D. Infants do not know how to regulate their emotions and laugh more often during times of uncertainty.

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