Questions Fully Solved.
what is cranial nerve I and what is the function? - Answer -olfactory
-Function: smell (1 nose)
- Assessment: smell- coffee, cloves, peppermint
what is cranial nerve II and what is the function and how would you asses for this? - Answer -optic
-Function: vision (2 eyes)
-Assessment: Visual acuity-Snellen chart (Cover eye not being examined). test for visual fields. Examine
with ophthalmoscope
what is cranial nerve III and what is the function and how would you assess for this? - Answer -
oculomotor
-Function: EOMs (extra ocular movements), PERRLA (Pupils equal round reactive light accommodation)
- Assessment: move eye up, down, and peripherally. test for accommodation. pupillary constriction.
observe for proptosis of upper eyelid
what is cranial nerve IV(4) and what is the function and how would you asses for this? - Answer -
trochlear
-Function: Innervated superior oblique eye muscle. turns eye downward and laterally (EOMs and
PERRLA)
-Assessment: Inferior lateral movement of the eye
what is cranial nerve V (5) and what is the function and how would you asses for this? - Answer -
Trigeminal
-Function: facial, TMJ (open mouth and put the pizza in), chewing, face and mouth, touch and pain
-Assessment: corneal reflex. Sensation of skin of the face (eyebrow, cheeks and chin) By using a whisper
of cotton. Chewing, fighting, lateral jaw movements (move jaw side to side)
, what is cranial nerve VI (6) and what is the function and how would you assess for this? - Answer -
Abducens
-Function: (EOMs and PERRLA), turns eye laterally. proprioception (sensory awareness of part of the
body)
-Assessment: interior lateral eye movements
what is cranial nerve VII(7) and what is the function and how would you asses for this? - Answer -Facial
(lucky number 7 makes you smile)
-Function: Controls most facial expressions. (smile, frown, close eyes) Secretion of ears and saliva.
-Assessment: taste-anterior two thirds of tongue; sweet, salty, sour, bitter (rinse mouth between
applications). Movement of forehead and mouth. raise eyebrows, show teeth, smile, and puffed out
cheeks
what is cranial nerved VIII (8)and what is the function and how would we assess for this? - Answer -
Vestibulocochlear (ears shaped in number 8)
-Function: hearing, equilibrium sensation
-Assessment: hearing, balance. Weber and Rinne test. Otoscope
what is cranial nerve IX (9) and what is the function and how would we assess for this? - Answer -
Glossopharyngeal (give baby cheerio for 1st time they gag)
- Function: gag, taste. Senses carotid blood pressure. Muscle sense- proprioception, sensory awareness
of the body
-Assessment: swallowing and phonation. Taste posterior one third of tongue (CN 7)
what is cranial nerve X (10) and what is the function and how would you assess for this? - Answer -
Vagus (vegas is weird so mouths drop at crazy sights)
-Function: uvula, senses aortic blood pressure. Slows heart rate. Stimulates digestive organs. Taste
-Assessment: sensations of posterior 1/3 of tongue, throat. Gag reflex (stimulate back if pharynx with a
tongue blade). swallowing and phonation
what is cranial nerve XI (11) and what is the function and how would you assess for this? - Answer -
Spinal (shrugging shoulders makes number 11)