Practice Quiz

Ophthalmic Technician

Category - Supplemental Skills

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Corneal sensation is tested to assess the function of which cranial nerve?
  1. Third cranial nerve (oculomotor nerve)
  2. Fourth cranial nerve (trochlear nerve)
  3. Fifth cranial nerve (trigeminal nerve)
  4. Sixth cranial nerve (abducens nerve)
Explanation
Answer: C - Corneal sensation is tested to assess the function of the fifth cranial nerve (trigeminal nerve).

The trigeminal nerve is the only sensory nerve out of the 12 cranial nerves. It supplies the sensory nerve fibers to the eye. Corneal sensitivity is done to assess the function of this nerve and its branches.
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