Question

If vagus nerve of a person is accidently cut which of the following cannot happen?

• A. Stimulation of gastric juice production
• B. Reduced peristalsis
• C. Aptyalism
• D. Achlorhydria

Answer 1

The correct option is A Stimulation of gastric juice production

The vagus nerve is the longest cranial nerve. It contains motor and sensory fibres and, because it passes through the neck and thorax to the abdomen, has the widest distribution in the body. Healthy vagus tone is indicated by a slight increase in heart rate when you inhale, and a decrease in heart rate when you exhale. Gastroparesis is believed to be caused by damage to a nerve that controls the stomach muscles. The vagus nerve can be damaged by diseases, such as diabetes, or by surgery to the stomach or small intestine.

So the correct answer is 'Stimulation of gastric juice production'.