3. Which of the following cranial nerve physical examination techniques represents the correct approach to the patient with suspected neurologic disease? A. Olfactory nerve: With eyes closed, ask the patient to sniff a pungent stimulus such as ammonia or alcohol. B. Optic nerve: Check visual acuity in both eyes using a Snellen chart without having the patient use their corrective lenses. C. Trigeminal nerve: Examine the motor territories on each side of the face by testing jaw clench, eyebrow elevation, and forehead wrinkling. D. Accessory nerve: Check shoulder shrug and head rotation on each side against resistance