Facial Nerve – Taste

by | Nov 11, 2015 | Cranial Nerves Exam

Although taste is not typically assessed during a routine neurological examination, the 7th nerve does supply taste to the anterior two-thirds of the tongue and hard and soft palates. This can be tested using salty, bitter, sour or sweet solutions. Examination...

Facial Nerve – Motor

by | Nov 11, 2015 | Cranial Nerves Exam

The major role of the facial nerve is to innervate the muscles of facial expression. These can be observed while taking the history and then more formally assessed during the neurological examination. Examination Technique: observe for asymmetry – widening of the...