Vagus Nerve Function Quiz

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Questions and Answers

Which function is NOT associated with the recurrent laryngeal nerve?

Supplies all muscles of larynx excluding cricothyroid
Gives cardiac branches
Provides general sensations to the larynx below vocal cords
Innervates the diaphragm (correct)

What is one of the branches of the vagus nerve in the thorax?

Bronchial nerve (correct)
Hepatic nerve
Gastric plexus
Celiac plexus

Which organ does NOT receive innervation from the celiac nerve plexus?

Heart (correct)
Spleen
Kidneys
Pancreas

Which of the following is true regarding the vagus nerve?

<p>It includes a branch that innervates the digestive system. (C)</p> Signup and view all the answers

Which statement about the branches of the vagus nerve is correct?

<p>Cardiac branches descend to the thorax and contribute to the cardiac plexus. (B)</p> Signup and view all the answers

Flashcards

What does the recurrent laryngeal nerve supply?

The recurrent laryngeal nerve provides motor innervation to nearly all muscles of the larynx, excluding the cricothyroid muscle. It's essential for voice production and swallowing.

What are the main branches of the vagus nerve in the thorax?

The vagus nerve branches into the cardiac, esophageal, bronchial, and parasympathetic nerve plexuses in the thorax. These branches regulate heart rate, breathing, and digestion.

What branches does the vagus nerve have in the abdomen?

In the abdomen, the vagus nerve branches into gastric, hepatic, and celiac nerve plexuses. These branches control stomach and liver function, as well as digestion in the pancreas, kidneys, spleen, adrenal glands, and intestines.

What is the vagus nerve and what does it do?

The vagus nerve is a major cranial nerve that extends from the brain to the abdomen. It controls several vital functions, including heart rate, breathing, and digestion.

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