Question

what is the function of alpha receptors?
regulating body temperature.
stimulating digestion.
causing vasoconstriction.
increasing heart rate.
inhibiting blood coagulation.

Explanation:

Alpha - receptors are part of the sympathetic nervous system. When activated, they cause vasoconstriction, which is the narrowing of blood vessels. This is a key function in regulating blood pressure and blood flow. The other options are not primary functions of alpha - receptors.

Answer:

Causing vasoconstriction.