Exercise 25 - Special Senses Hearing & Equilibrium

Exercise 25 - Special Senses Hearing & Equilibrium...

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EXERCISE 25 – HEARING AND EQUILIBRIUM OBJECTIVES 1. To identify the anatomical structures of the ear, and to explain their functions. 2. To describe the anatomy of the organ of hearing (spiral organ of Corti in the cochlea), and to explain its function in sound reception. 3. To describe the anatomy of the equilibrium organs of the internal ear (cristae ampullares and maculae), and to explain their function in maintaining equilibrium. 4. To define or explain sensineural deafness, conduction deafness, and nystagmus. 5. To state the purpose of the Weber, Rinne, balance, Barany, and Romberg tests. 6. To differentiate between static equilibrium and dynamic equilibrium and the sensory receptors involved. 7. To explain the role of vision in maintaining equilibrium. NOTES: ANATOMICAL STRUCTURES OF THE EAR I. Outer ear: auricle external auditory canal tympanic membrane II. Middle ear: auditory tube 3 auditory ossicles: malleus incus stapes III. Inner ear: 1. Hearing organ - Cochlea
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Exercise 25 - Special Senses Hearing & Equilibrium...

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