Neurologic - Chap 23

Question 1

CN I (name, type, function)

Answer 1

Olfactory, Sensory, Smell

Question 2

CN II (name, type, function)

Answer 2

Optic, Sensory, Vision

Question 3

CN III (name, type, function)

Answer 3

Oculomotor, Mixed, opening of eyelids,pupil constriction, lens shape

Question 4

CN IV (name, type, function)

Answer 4

Trochlear, Motor, down and inward movement of eye

Question 5

CN V (name, type, function)

Answer 5

Trigeminal, Mixed, senses of face and scalp & mastication

Question 6

CN VI (name, type, function)

Answer 6

Abducens, Motor, lateral movement of eye

Question 7

CN VII (name, type, function)

Answer 7

Facial, mixed, facial muscles and taste

Question 8

CN VIII (name, type, function)

Answer 8

Acoustic, sensory, hearing and equilibrium

Question 9

CN IX (name, type, function)

Answer 9

Glossopharyngeal, mixed, pharynx (gag reflex, swallowing)

Question 10

CN X (name, type, function)

Answer 10

Vagus, Mixed,
Motor- pharynx & larynx (talking & swallowing)
Sensory- sensation from carotid body/sinus, pharynx, viscera
Parasympathetic- carotid reflex

Question 11

CN XI

Answer 11

Spinal accessory, motor, movement of trapezius and sternomastoid muscles

Question 12

CN XII

Answer 12

Hypoglossal, motor, movement of tongue

Question 13

What are Cranial Nerves?

Answer 13

LMNs that enter and exit the brain

Question 14

How many spinal nerves do we have?

Answer 14

31 pairs

Question 15

Landmark of T1

Answer 15

Axilla

Question 16

Landmark of T4

Answer 16

nipple

Question 17

Landmark of T10

Answer 17

umbilicus

Question 18

Landmark of L1

Answer 18

groin

Question 19

Landmark of L4

Answer 19

Knee

Question 20

Abnormal findings CN I - Olfactory

Answer 20

cannot test smell (sinusitis, resp. infxn.), Anosmia (loss/ reduction of smell)

Question 21

Abnormal findings CN II - Optic

Answer 21

Visual field loss, papilledema with increase intracranial pressure; optic atrophy

Question 22

Abnormal findings CN III, IV, VI (Oculomotor, trochlear, abducens nerves)

Answer 22

Ptosis (drooping), Increasing intracranial pressure, Strabismus (deviated gaze), limited movement, Nystagmus

Question 23

Abnormal findings CN V (trigeminal)

Answer 23

Motor- decreased strength, asymmetry in jaw movement, pain

Sensory- decreased/ unequal sensation

Question 24

Abnormal findings CN VII (facial)

Answer 24

muscle weakness/ loss of movement, drooping, sagging,

Question 25

Abnormal findings CN IX and X (glossopharyngeal, Vagus)

Answer 25

Absence or asymmetry of soft palate movement, movement of tonsillar pillar, hoarse or brassy voice

Question 26

Abnormal findings CN XI (spinal accessory)

Answer 26

Atrophy, muscle weakness or paralysis w/ stroke or injury

Question 27

Abnormal findings CN XII (hypoglossal)

Answer 27

Atrophy, fasciculations, deviated longue w/ lesions