An 8-year-old girl developed 'rosy cheeks' while playing outside on a chilly day. What is thought to be the cause of this vasodilation?
A) Paralysis of vascular smooth muscle
B) A decreased thermoregulatory 'set point'
C) Increased prostaglandin E2 (PGE2) production
D) Increased parasympathetic activity
E) Secretion of progesterone
Correct Answer:
Verified
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