The nurse is assessing a patient's corneal reflex. The cranial nerve that is being assessed with this reflex is:
1. Oculomotor
2. Optic
3. Trigeminal
4. Vagus
3
Rationale 1: The oculomotor nerve is assessed when the pupils are checked.
Rationale 2: The optic nerve is assessed when the pupils are checked.
Rationale 3: Portions of the trigeminal and facial cranial nerves can be assessed by checking for a corneal reflex.
Rationale 4: The vagus nerve is assessed by checking for a cough and gag reflex.
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