Question

One of the following nerves inhibit the rate of heart beat

• A. Vagus
• B. Sympathetic
• C. Occulomotor
• D. None of the above

Answer 1

The correct option is A

Vagus

Vagus is the ${10}^{th}$ cranial nerve. It is the largest parasympathetic nerve. Its effect on the heart is to reduce rate of heart beat. Sympathetic and parasympathetic nervous system works in opposite directions to maintain homeostasis.