Cranial Nerves

The Olfactory nerve is what number and sensory, motor or both?

1, sensory

The optic nerve is what number and sensory, motor or both

2, sensory

The oculomotor nerve is what number and sensory, motor or both?

3, motor

the trochlear nerve is what numbe and S,M, B

4, motor 

the trigeminal nerve is what number and S,M,B

5, both

the trigeminal opthaliamic v1 is S,B or M

senosry

the trigeminal maxillary v2 is S, B or M 

Sensory 

the trigeminal mandibular v3 is S, B or M

motor

the abucens is what number and S,B or M

6, motor 

The facial is what number and S,B or M

7, both

The auditory/ vestibularcochlear is what number and S,B or M

8, sensory

the glossopharyngeal is what number and S,B, M

9, both 

the vagus is what number and S,B or M

10, both

the spinal acessory is what number and S,B or M 

11, motor

the hypoglossal is what number and S,B or M

12, motor

The olfactory function is

afferent; smell, efferent; none

the optic function is 

afferent; vision, efferent; none 

the oculomotor function is

afferent; none, efferent; controls eyelids and constricts/expands pupils

the trochlear function is

afferent; none, efferent; eyeball movment ( downward, inward and upward)

the trigeminal function is

affernet; touch, pain, temps, vibration for back 2/3 of tounuge, effernet; chewing mucles

trigeminal ophthalamic v1 function is

affernet; relays sensation from upper face

efferent; none 

trigeminal maxillary v2 functoin is

afferent; carries sensation info from nose, moiuth and lower face, ears and meninges

effernet; none

trigeminal mandibular v3 function is

afferent; relays sensation from lateral sides of the head, lower jaw and anterior 2/3 of the toungue

efferent; lowers/ raises and protrudes the mandible

abducens function 

affernt; none 

efferent; eyeball movment ( outward)

facial function

afferent; taste in back 2/3 of tongue. collects and directs sound toward ear canal

efferent; face muscles and salivary glands

auditory function

afferent; hearing and balance

effernet; none

glossopharyngeal function

affernet; middle ear, taste on back 1/3 of tongue, tactile sensation on middle ear

efferent; Pharyngeal movement and largest salivary gland

vagus function

afferent; tactile senation of outer ear; pain sense in throat, and taste in tongue

efferent; throat muscles and internal organs

spinal acessory function 

afferent; none 

efferent; neck and shoulder muscles 

hypoglossal function

afferent; none

efferent; tongue muslces

Olfactory nerve damage characteristics

loss of smell

optic nerve damage charcteristcs 

vision loss 

oculomotor damage characteristics

pupil loses light reflex; swelling of optic nerve and droopy eyelids

torchlear nerve damage charcteristics

double visoin and involuntary eye movements

trigeminal nerve damage charcteristics 

loss of sensations, hard to chew and jaw-jerk reflex 

abducens nerve damage characteristics

involuntary eye movements and eye misalignment

facial nerve damage characteristics

facial paralysis and loss of taste

auditory nerve damage charcterstics

hearing loss and balance issues

glossopharyngeal damage characteristcs 

absent gag and swallow; loss of taste 

vagus damage characteristics

absent gag and swallo. velum doens’t close and loss of voice

spinal acessory damage characteristics

droopy shoulders, loss of movment of the neck

hypoglossal damage characteristics 

loss of tongue movment, tongue shrinking