Jonathan tripped on a sprinkler during a game of flag football, and felt a sharp pain as he broke his ankle. Later on, after he returned home from the emergency room with a new cast, he felt a dull, aching pain in his broken ankle. Which of the following is the best explanation for Jonathan's experience?
a. The sharp pain resulted from the transmission of messages along C fibers, and as the rate of signaling dropped, the quality of the pain changed to dull and aching.
b. The sharp pain resulted from the activation of nociceptors that respond to mechanical injury, whereas the dull pain resulted from the activation of nociceptors that respond to chemicals released by damaged cells.
c. The sharp pain resulted from the transmission of messages along C fibers, and the dull pain resulted from the transmission of messages along A fibers.
d. The sharp pain resulted from the transmission of messages along A fibers, and the dull pain resulted from the transmission of messages along C fibers.
Question 2
Skeletal growth is slowed by
a. testosterone in males and estradiol in females.
b. estradiol in males and testosterone in females.
c. testosterone in both males and females.
d. estradiol in both males and females.
Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
A football game, in 1879, pits Yale against Princeton. The field was not lined or bounded, and play
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Testing client’s ability to identify sharp sensations