A nurse is assessing a patient's cranial nerve IX. Which items does the nurse gather before conducting the assessment? (Select all that apply.)
a. Vial of sugar
b. Snellen chart
c. Tongue blade
d. Ophthalmoscope
e. Lemon applicator
ANS: A, C, E
Cranial nerve IX is the glossopharyngeal, which controls taste and ability to swallow. The nurse asks the patient to identify sour (lemon) or sweet (sugar) tastes on the back of the tongue and uses a tongue blade to elicit a gag reflex. Ophthalmoscopes are used for vision. A Snellen chart is used to test cranial nerve II (optic).
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