Hondros Bio 253 Exam 2 100% Complete Solution 2023/2024

The tube in the external ear is the ___________. {Ans: external acoustic meatus}Eyelids are lined by a membrane called the ___________________, which also covers part of the surface of the eyeball. {Ans: conjunctiva} Ototliths (ear stones) {Ans: Located within the matrix of the macula and utricle and saccule Changing the head position changes pressure on the otolith-weighted matrix o Stimulates hair cells}contralateral reflex arc {Ans: Sensory enters in one side of the body and MOTOR EXITS THE OPPOSITE SIDE OF THE BODY}Inhibition {Ans: k+ channel opens -membrane potential increases (hyperpolarize)}Tumors in the PNS {Ans: Acoustic Neuroma, and neurofibromatosis}