If a drug was present in the bloodstream but unable to cross the blood-brain barrier, then one could conclude:
a. that nonspecific binding occurred.
b. the drug could enter the brain using active transport mechanisms.
c. the drug’s pKa had matched the pH of the physiological medium it was administered in.
d. the drug was not small, non-charged or lipid soluble.
Ans: D
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Your textbook describes the masochistic behaviors of Daphne Merkin, but then the authors remark that Daphne might not necessarily qualify for a diagnosis of sexual masochism because
a. she acknowledged her interests in masochistic sex. b. she married the people involved in her masochistic fantasies. c. it is not clear that she experienced subjective distress or social impairment. d. she never allowed herself to be seriously hurt.
Obese children
a. are more often rejected by their peers and do more poorly in sports. b. are likely to be popular with their peers and do well in sports. c. tend to like their bodies as well as children of average weight. d. None of the above
An emotional attachment characterized by feelings of trust and warmth is called:
a. passionate love b. reciprocal love c. spontaneous love d. companionate love
Research on mice who were bred to be genetically fat showed that when they were injected with leptin, ____
a. ?they could no longer absorb glucose into their cells b. ?their set point increased c. ?they lost weight d. ?their hunger could not be satisfied