Tolerance for a psychoactive substance refers to
a. withdrawal.
b. psychological dependence.
c. the ability to consume several drugs at the same time with limited adverse effects.
d. requiring more of the substance to achieve the same effect that lower doses once achieved.
Answer: d.
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Despite the fact that it is the result of recessive genes, some carriers of sickle-cell disease possess both normal and sickle-shaped blood cells. This phenomenon is best explained by
a. polygenetic effects. b. meiosis. c. incomplete dominance. d. concordance rate.
Rosa is 15 months of age. A new babysitter came to the house so Rosa’s mother could focus on her writing in her office upstairs. Rosa was fine while her mother was still in the room with them but cried and cried when she left. Her mother returned an hour later and Rosa ran over to her right away. What pattern of attachment is this??
a. ?avoidant b. ?anxious-ambivalent c. ?disorganized d. ?secure
Damage to the cerebellum would most likely result in
a. heart stoppage or respiratory failure. b. a loss of hearing ability. c. a loss of muscular coordination. d. having blind spots in one's vision.
A mother wants to hug her baby, and the baby enjoys being close to mom. This describes the ____ of attachment
a. reciprocity b. secure base c. social referencing d. emotional display rules