Marijuana, a naturally occurring hallucinogen, is derived from the __________ plant.
A. Cannabis sativa
B. poppy
C. Calluna vulgaris
D. cocoa
Answer: A
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To investigate mother-infant relationships, Harry Harlow
a. observed how rats care for their young in crowded environments. b. used the stranger situation with human mothers and their infants. c. observed whether mothers could coax their infants to crawl across the visual cliff. d. separated baby rhesus monkeys from their mothers at birth and replaced them with wire and terry cloth surrogate mothers.
According to the article Attachment in Separation concerning divorced or separated mothers' interactions with their children, a baby falls on the floor in a trance-like state when its mother returns from a short absence
This baby characterizes the type of attachment called: (a) avoidant (b) secure (c) ambivalent (d) disorganized
Which of the following brain areas is likely to show the greatest decline in volume with age?
A) The cerebellum B) The hippocampus C) The hypothalamus D) The corpus callosum
Genetic factors
a. are very common in all levels of retardation. b. are clearly involved in the more severe forms of retardation. c. are involved only in cases of profound retardation. d. are involved only in Down syndrome.