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Bell's Palsy
Facial nerve, the seventh cranial nerve. It leaves the brain along with eighths cranial nerve through internal acoustic meatus and comes out through stylomastoid foramen to supply the muscles of facial expression.
It all depends on what nerve and what it is positive for.
It entirely depends on which cranial nerve you are testing, having coffee in an unlabeled cup and blinding folding th pt is one test, tracing the pts face with a cotton tipped applicator is another test. There is a test for each cranial nerve.
The cranial nerve that is tested in the visual acuity test is the optic nerve, also known as cranial nerve II. It is responsible for transmitting visual information from the retina to the brain.
Compression of the fifth cranial nerve can result in facial pain and or numbness. Compression of the seventh cranial nerve can cause spasms, weakness or paralysis of the facial muscles
The Olfactory nerve. CN1 Cranial Nerve I, or the first cranial nerve called the Olfactory nerve.
damage to cranial nerve II
The second cranial nerve is the optic nerve.
The nerves involved in diplopia include three cranial nerves: the oculomotor nerve (third cranial nerve), the abducens nerve (sixth cranial nerve), and the trochlear nerve (fourth cranial nerve).
Cranial nerve 4 (IV) is the trochlear nerve.
cranial nerve I: olfactory:smell cranial nerve II:optic:vision cranial nerve III: oculomotor: 4 of 6 eye muscles cranial nerve IV: trochlear: cranial nerve V: Trigeminal cranial nerve VI: Abducens cranial nerve VII: Facial cranial nerve VIII: Vestibulochlear: hearing cranial nerve IX: Grosspharnxgeal: saliva formation cranial nerve X: Vegus cranial nerve XI: Acessory Spinal: trapizious movement cranial nerve XII: Hypoglosseal: toungue movement