In the autonomic nervous system, increased arousal and energy expenditure are associated with activation of the
a. somatic nervous system.
b. central nervous system.
c. sympathetic nervous system.
d. parasympathetic nervous system.
Answer: c.
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A man with a blood alcohol concentration level of 0.30 percent is seen at a hospital. We can guess that this man is ____
a. unconscious or dead c. having trouble walking a straight line b. not an alcoholic d. feeling happy and uninhibited
Which statement represents a bottom-up aspect of gate-control theory?
A) Pain may be gated at the skin receptors by rubbing the injured area. B) Pain may be suppressed with drugs that mimic endorphin activity. C) Subjective pain intensity may vary among ethnic groups. D) The midbrain may send inhibitory signals to the spinal cord that prevent further pain signals from reaching the brain.
Studies have suggested that when newborns are exposed to pain, they
a. are more sensitive to pains as adults. b. are less sensitive to pain as adults. c. avoid touch so as to avoid potential pain. d. become dependent on comforting forms of touch.
Which of the following does not affect patterns of preferred sex-typed activities?
a. Playing with a sibling of the opposite sex c. Being female not male b. Cultural exaggeration of sex differences d. None of these