A child is being seen in the dermatology clinic has been diagnosed with scabies. The mother asks why the child's itching is worse at night. The nurse's explanation for this occurrence is based on which of the following?
A) Increased warmth stimulates the parasite.
B) A dark environment causes the mites to spread.
C) Body metabolism is slowed during the night.
D) Parasitic stimulation occurs when body temperature is lowered.
Ans: A
Feedback: One classic sign of scabies is increased itching that occurs at night because the increased warmth of the skin has a stimulating effect on the parasite. A dark environment does not affect parasitic action. Body metabolism is slowed at night, but this does not relate to scabies. Parasitic growth occurs when the body temperature is elevated, not lowered.
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