Cranial Nerve I - Olfactory
-Assess ability to inhale through each nostril
-Identify smell correctly
Inspect Eyes
Symmetry, eyebrows, eyelids, conjunctiva, sclera, cornea, lens; assesses corneal light reflex and red reflex
Cranial Nerve II - Optic
Assess visual acuity (distant and near vision) and visual fields in both eyes (peripheral vision)
Cranial Nerve III - Oculomotor
Assess pupillary reaction (direct and consensual response), accommodation and convergence
Cranial Nerve III, IV, VI - Oculomotor, Trochlear, Abducens
Tests extra-ocular eye movements in six cardinal fields of gaze
Cranial Nerve V - Trigeminal
Inspects face for symmetry; tests facial sensation (light sensation of face) and muscles for mastication
Cranial Nerve VII - Facial
Assesses motor function of face (smile, frown, show teeth, puff cheeks, purse lips, raise eyebrows, close eyes tightly)
Cranial Nerve VIII - Acoustic
-Screens hearing with rubbing fingers, ticking watch, or whispered word
-Performs Weber and Rinne Tests
Inspect mouth
Using tongue depressor and penlight, examines oral cavity, condition of teeth, and condition of tongue
Cranial Nerve IX, X, XII - Glossopharyngeal, Vagus, Hypoglossal
Asks client to swallow, stick out tongue, move it side to side; open mouth and say '"ah", observing symmetric rise of uvula and soft palate
Cranial Nerve XI - Accessory
Tests motor function of sternocleidomastoid and trapeius muscles by asking patient to shrug shoulders while pushing down on them and turn their head from side to side