Vagus Nerve QuizQuestions 1-5 concerning the vagus nerve:jugular foramen foramen ovale arch of aortapons foramen magnum oesophageal hiatusmedulla carotid sheath aortic hiatus

1. Where the left and right vagus nerves enter the abdomen:

2. Where the vagus nerve originates as several rootlets:

3. Where the vagus nerve exits the skull:

4. The left recurrent laryngeal descends under this structure:

5. Where the vagus nerve is found in the neck:

What is the name of the plexus found at A?

What Vagus nerve contributes mostly to this plexus?

What does not receive parasympathetic innervation from the vagus nerve:

(a)oesophagus (b) stomach (c) duodenum (d) pancreas (e) sigmoid

A

What does not happen during parasympathetic activation at the heart:

(a)decreased heart rate (b) decreased contractility (c) vasodilation of the coronary vessels (d) increased contractility (e) decreased AV node conduction

What happens during parasympathetic stimulation of the lungs: (a)dilation of the bronchus (b) dilation of the pulmonary arteries

(c) dilation of the pulmonary veins (d) increased secretions (e) dilation of the bronchioles

What does not happen during parasympathetic activation of the GI tract:

(a) increased intestinal motility (b) increased gastric secretions (b) increased gastric emptying (d) increased pancreatic secretions (e) decreased peristalsis

What is the name of the foramina at A.

In what bone is A located.

A