Question

Blockade of parasympathetic activity causes a reduction in

A. Sweat production.

B. Resting heart rate.

C. The strength of skeletal muscle contraction.

D. Salivation.

E. Intestinal motility.

Answer 1

A. False Sweat glands are innervated by sympathetic cholinergic nerves.

B. False Resting heart rate rises due to blockade of vagal tone.

C. False Parasympathetic nerves are not involved in skeletal muscle activity.

D. True Dryness of the mouth results from blockade of salivary secretion.

E. True Parasympathetic nerves are motor to intestinal smooth muscle.