BIO 12 Lecture Notes - Lecture 11: Motor Neuron, Bradycardia, Dysphagia

• School: Irvine Valley College
• Department: Biology
• Course: BIO 12
• Professor: dorner

Document Summary

Function: eye movement; controls the lateral rectus muscles. Function: controls muscles for facial expression; anterior 2/3 of the tongue. Caused by a lower motor neuron lesion, infection, trauma, hemorrhage, or meningitis of the cn vii. Manifested by a paralysis of one side of the face along with ptosis. The client is unable to raise the eyebrows, frown, smile, close the eyelids, or puff out the cheeks. Protect the eyes from dryness and prevent from injury. Function: controls muscles of the throat: posterior 1/3 of the tongue. Difficulty in swallowing which may affect any part of swallowing pathway. Impairment in the ability to produce voice sounds using the vocal organs (it is distinct from dysarthria which signifies dysfunction in the muscles needed to produce speech) Hoarse or excessively breathy, harsh, or rough, (contrasted with the more severe aphonia where phonation is impossible) Also known as the hypersalivation or ptyalism. A disease that causes excessive production of saliva.