The two most important symptoms of physical dependence to a drug are:
a) tolerance and failing to attend important occasions due substance use.
b) withdrawal and substance abuse.
c) tolerance and withdrawal.
d) intolerance of most anything and withdrawal.
ANS: C, These two physiological symptoms indicate that a problem has gone beyond substance abuse and enter the realm of substance dependence.
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Lory entered a dark movie theater from the bright sunlight. Which of the following was occurring in her retinal system?
a. a slow shift from cone vision to rod vision b. a rapid shift from cone vision to rod vision c. a slow shift from rod vision to cone vision d. a rapid shift from rod vision to cone vision
Which of the following are two classes of sex hormones?
a. thalamus and hypothalamus b. estrogens and androgens c. dopamine and serotonin d. cortisol and relaxin