Multiple Choice
Why would you feel pain when placing your hand on both a hot and a cold pipe at the same time?
A) Touch receptors are reporting the sensations of heat and cold, but the brain combines the two and perceives pain.
B) The juxtaposition of hot and cold metal scalds your skin.
C) Any vibration of the pipes interferes with the normal functioning of your free nerve endings.
D) The free nerve endings in your hand cannot distinguish between hot and cold sensations.
Correct Answer:
Verified
Correct Answer:
Verified
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