The __________ system is the body's system of defense against disease.
A. autonomic
B. nervous
C. immune
D. respiratory
Answer: C
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Saltiness and sourness appear to be
a. based on a lock-and-key match between molecules and the receptors. b. triggered by a direct flow of charged atoms into the tips of the taste cells. c. triggered by the otolith organs in the taste buds. d. based on the place theory of olfaction.
In cross-sectional research on development, each of the groups studied is of a different:
sex. social class. age. political affiliation.
The first edition of DSM appeared in
a. 1912. b. 1932. c. 1952. d. 1972.
According to Vygotsky, Bella's newly acquired language skills will help her be social. As her language develops, it will:
a. plateau b. become internalized c. tie into object permanence d. assist with deferred imitation.