A neuropeptide released by pain-carrying axons during intense stimulation is ______.
A. glutamate
B. substance P
C. prostaglandin
D. histamine
Answer: B
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Wars and acts of terrorism are examples of:
a. techno-political stressors c. natural disaster stressors b. background stressors d. All of the above are correct.
Which of the following statements about testing the memories of older adults is true?
They tend to do better than younger adults in both laboratory experiments and in their daily lives. They tend to do worse than younger adults in both laboratory experiments and in their daily lives. They do better in laboratory experiments than they do in their daily lives. They do worse in laboratory experiments than they do in their daily lives.
Which of the following best represents the occurrence of the adolescent growth spurt? The growth spurt begins
a. about three years earlier for girls than for boys. b. about the same time for girls and boys. c. at about age 11 for girls and 13 for boys. d. at about age 11 for boys and 13 for girls.
Small gaps in the myelin result in nerve impulses jumping from gap to gap which causes these nerve impulses to move
a. faster. b. slower. c. at a normal speed. d. at a declining rate of speed.