Why might someone pale when they are exposed to a cold temperature? vasoconstriction has occurred dehydration of the stratum corneum purely psychological vasodilation has occurred constriction of the dermal collagen and elastic fibers?

The correct answer is vasoconstriction has occurred.

Thermal receptors present in the skin sense the cold around the surrounding and stimulates the sympathetic nervous system of the body.

It immediately causes vasoconstriction in the skin, legs, and arms.

Vasoconstriction prevents or decrease the heat loss from the body to the environment.

Decreased flow of blood to the skin and extremities turns the skin pale in color.