Cutaneous vasoconstriction is mediated by: (A) Sympathetic adrenergic nerves, (B) Sympathetic cholinergic nerves, (C) Parasympathetic cholinergics, (D) Somatic nerves
Answer is A. Sympathetic noradrenergic division constricts the blood vessels of the skin(which limits bleeding from wounds). Ref: Ganong&;s review of medical physiology; 23rd edition; pg: 268.