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Quiz Overview. 15 short answer questions (Two sentences or less) 5 ?’s on vision 5 ?’s on hearing 5 ?’s on touch, taste, and smell Label a diagram of the eye and ear. Eye Review. Define the following terms: Convergence Refraction Accommodation
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Quiz Overview • 15 short answer questions (Two sentences or less) • 5 ?’s on vision • 5 ?’s on hearing • 5 ?’s on touch, taste, and smell • Label a diagram of the eye and ear
Eye Review • Define the following terms: • Convergence • Refraction • Accommodation • Explain the differences between myopia, presbyopia, hyperopia, & glaucoma. • Trace the path of light through the eye and to the retina • Light ___ __ __ __ __ retina • Compare vitreous and aqueous humor. • List 2 accessory structures of the eye and the function of each. • Compare and contrast rods and cones.
Ear Review Explain the location and function of the following: • Vestibule • Auricle • Eustachian tube • Semicircular canals • Organs of Corti • Malleus • Pinna • Tympanic membrane • Cochlea • Stapes • External auditory meatus
Taste, Touch, and Smell • In what part of the brain do we sense/ interpret smell, touch, and smell information? • Define a root hair plexus • List the function of these nerve fibers: • Pacinian • Krause’s • Ruffini’s • Meissner’s • List the 4 sensations that our taste buds distinguish • Describe the 3 tongue papillae.
Fungiform papillae - as the name suggests, these are slightly mushroom shaped if looked at in section. These are present mostly at the apex (tip) of the tongue, as well as at the sides. Innervated by facial nerve. Filiform papillae - these are thin, long papillae "V"-shaped cones that don't contain taste buds but are the most numerous. These papillae are mechanical and not involved in gustation. Characterized increased keratinization. Foliate papillae - these are ridges and grooves towards the posterior part of the tongue found on lateral margins. Innervated by facial nerve (anterior papillae) and glossopharyngeal nerve (posterior papillae).