When inspecting a patient's eyes, the nurse assesses the presence of cranial nerve III (oculomotor nerve) by observing the eyelids open and close bilaterally. What other technique does a nurse use to test the function of this cranial nerve?

Question

Quizplus · Accepted Answer

Cranial nerve III (oculomotor) controls pupillary dilation and constriction, as well as eyelid movement. Pupil dilation and ptosis may occur when CN III is impaired. Cranial nerve II (optic) provides vision. Cranial nerve II (optic) provides peripheral vision. The red reflex is not controlled by cranial nerve III, but is created by a light illuminating the retina.

When Inspecting a Patient's Eyes, the Nurse Assesses the Presence