Heroin is more potent than morphine because
A. it is often injected instead of swallowed.
B. it more readily crosses the blood-brain barrier.
C. it is a natural opioid.
D. it is a synthetic opioid.
B
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Severe marital discord, overcrowding, paternal criminality, and maternal mental disorder are all examples of
a. protective factors. b. family risk factors. c. individual risk factors. d. social risk factors.
Some yoga poses are thought to activate the hormonal system of the body. One gland that plays a role in the immune system, and is stimulated by yoga, is:
a. the adrenal gland c. the thymus gland b. the pituitary gland d. renal gland
When children are between 24 and 30 months old, their most common type of play is
A. with another child, side by side B. very social C. solitary D. with their brothers and sisters
Sarah is a pianist who reports that she sees musical tones as colors. This is one example of
A) binocular cues. B) the Ganzfield technique. C) the Ponzo illusion. D) synesthesia.