When a person is exposed to temperature extremes, why is it difficult to distinguish hot from cold objects?
A. Temperature perception requires more than one type of receptor.
B. Temperatures above 37 degrees centigrade actually stimulate the cold receptors.
C. At extremes, pain receptors are stimulated by both very hot and very cold objects.
D. Most temperature receptors cannot differentiate hot from cold.
E. Pain receptors are inhibited by both very hot and very cold objects.
C
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