Multiple choice

Which of the following is correct about distribution and function of glossopharyngeal nerve?

The 9th and 10th cranial nerves have their origins similar, i.e. side of medulla oblongata, but are distributed in different areas, hence have different functions. They actually control the voluntary and involuntary movements of pharynx, larynx and many visceral organs.

  1. Taste buds and phonation

  2. Pharynx and second half of tongue, and bitter taste of posterior tongue

  3. Oesophagus and swallowing

  4. Blood vessels and tongue movement

  5. Visceral receptors and larynx elevation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Glossopharyngeal nerve is distributed in taste buds, pharynx, posterior tongue, parotid gland and pharyngeal muscle. Its function is larynx elevation, salivation and perception of bitter taste.

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