Cranial Nerves Flashcards
What is CN I and what does it do
Olfactory Nerve - sensory for smell
What is CN II and what does it do
Optic nerve - sensory for vision
What is CN III and what does it do
Oculomotor - motor to eye muscles
What is CN IV and what does it do
Trochlear - motor to eye muscle
What is CN V and what does it do
Trigeminal Nerve - Lots of things
What is CN VI and what does it do
Abducent - motor to eye muscle
What is CN VII and what does it do
Facial nerve - motor to facial muscles
What is CN VIII and what does it do
Vestibulocochlear - sensory of balance and hearing
What is CN IX and what does it do
Glossopharyngeal - sensory for tongue, pharynx, carotid sinus and motor to pharynx muscle. Parasypm to parotid gland.
What is CN X and what does it do
Vagus - Parasymp to most head and neck organs Motor to muscle of larynx and pharyn Sensory from chest and abdominal organs
What is CN XI and what does it do
Accessory - Motor to two neck muscles
What is CN XII and what does it do
Hypoglossal Motor to tongue
What nerve supplies sensory information to the oropharynx?
Glossopharyngeal nerve
A successful IDB will produce anaesthesia in the:
a) Lower lip and mandibular teeth
b) Lower lip, mandibular teeth, buccal an lingual gingiva
c) Lower lip, mandibular teeth and buccal gingiva only
d) Lower lip, mandibular teeth and lingual gingiva of the anterior teeth only
e) Lower lip, mandibular teeth and buccal gingival of the atnerior teeth only
b) lower lip, mandibular teeth, buccal and lingual gingiva
What nerve supplies sensory information to the oropharynx?
Glossopharyngeal nerve
A successful IDB will produce anaesthesia in
a) Lower lip and mandibular teeth
b) Lower lip, mandibular teeth, buccal and lingual gingiva
c) Lower lip, mandibular teeth, buccal gingiva only
d) Lower lip, mandibular teeth and lingual gingiva of the anterior teeto only
e) Lower lip, mandibular teeth and buccal gingival of the anterior teeth only
b)
A successful infra-orbital nerve block produces