Health Assessment - Class 4 (Part 3)

Only test the sense of smell in patients who report loss of smell, those with ___ trauma, and those with abnormal mental status and when the presence of an intracranial lesion is suspected (cranial nerve I)

head

With the patient's eyes closed, occlude one nostril and present an aromatic substance. Use familiar, conveniently obtainable, and non-noxious smells, such as coffee, toothpaste, orange, vanilla, soap, or peppermint.

which cranial nerve is this testing?

I (olfactory)

cranial nerve II, optic nerve, tests for what?

visual acuity, and visual fields by confrontation

what is the name of cranial nerve III

oculumotor

Assess extraocular movements with the cardinal positions of gaze (3 on each side = cranial nerve 3)

which cranial nerve is this testing for?

cranial nerve III (oculumotor)

The ___ cranial nerve (CN IV) is responsible for controlling the superior oblique muscle, which moves the eye down, inward, and rotates it toward the nose

trochlear

ask the patient to look downward and in, which makes the letter “T”

this is a memory trick for cranial nerve IV, ___

trochlear

the fifth cranial nerve is called, ___

trigeminal

Light touch the patient’s face with a cotton wisp, pinprick; palpate jaw while patient clenches teeth.

this tests which cranial nerve?

trigeminal

___ is a back-and-forth oscillation of the eyes

nystagmus

what is cranial nerve 6, VI, called?

abducens

what does cranial nerve 6, VI, abducens test for?

Lateral eye movement (abducts the eye)

Ask patient to move eyes laterally.

which cranial nerve does this test?

cranial nerve VI

what is the seventh cranial nerve (VII) called

facial

what does the seventh cranial nerve (VII) test for

facial expressions, smiling, frowning, puffing cheeks

Ask patient to perform facial expressions, puff out their cheeks, smile, frown.

which cranial nerve is this testing?

facial (VII)

what is the name of the 8th cranial nerve (VIII)

Vestibulocochlear/Acoustic

what does the eighth cranial nerve, VIII, Vestibulocochlear/Acoustic, test for?

hearing and balance

Whisper test, Rinne/Weber tuning fork; Romberg for balance. what cranial nerve is this testing?

Vestibulocochlear/Acoustic

what is the name of the ninth cranial nerve (IX)

Glossopharyngeal

Swallowing, gag reflex, taste on posterior 1/3 on tongue (back of tongue)

what cranial nerve does this test for?

Glossopharyngeal

which cranial nerve tests the anterior 2/3 of the tongue for taste

facial (VII)

what is the name of the tenth cranial nerve (X)

vagus

what does the tenth cranial nerve, vagus (X), test?

the muscles of pharynx & larynx (swallowing, speech)

Say “ahh” → uvula and soft palate rise symmetrically; listen to voice quality.

what cranial nerve is this testing for?

vagus

what is the name of the eleventh cranial nerve (XI)

spinal accessory

what does the eleventh cranial nerve, XI, spinal accessory test?

Shoulder and neck muscles (sternocleidomastoid, trapezius)

Shrug shoulders and turn head against resistance.

what cranial nerve is this testing?

spinal accessory

what is the name of the 12th cranial nerve? (XII)

hypoglossal

what is the function of the 12th cranial nerve, hypoglossal (XII)

tongue movement

Stick out tongue (should be midline); move tongue side to side.

what cranial nerve does this test for?

hypoglossal

Tongue deviates ___ the lesion side in LMN lesion

toward

Test taste in cranial nerve VII (Facial) only when you suspect facial nerve ___

injury

Test ___ acuity by determining the patient's ability to hear normal conversation, using the whispered voice test (cranial nerve VIII: acoustic)

hearing

Cranial nerve IX (Glossopharyngeal) does mediate taste on the posterior one-third of the tongue, but technically this sensation is too ___ to test.

difficult