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CHAPTER 21 THE SENSORY SYSTEM 6. Which statement describes the effect of 71 aging on the senses of smell and taste? 9. Which is a likely consequence of the a. Connective tissues replace the taste buds. tympanic membrane's not being able to b. Tear formation decreases. vibrate freely? c. There is an increased buildup of cerumen. a. Impaired hearing b. Feeling of vertigo d. Depth perception decreases. c. Ringing sounds in the ear 7. Which statement describes the function of the d. Presbycusis lens in providing a clear image? 10. Which part of the ear is considered the tru a. It carries stimuli for vision from each eye. organ of hearing? b. It regulates the amount of light that enters a. Vestibules the eye. b. Semicircular canals c. It adjusts light rays to facilitate their c. Organ of Corti projection on the central fovea. d. Labyrinths d. It maintains intraocular pressure. 8. Which statement is true regarding the cause of impaired hearing in an older person? Select all that apply. a. Decreased cochlear function b. Fusing of the ossicles in the middle ear c. Lifelong exposure to loud noises d. Gradual loss of the function of accommodation e. Replacement of the taste buds with connective tissue f. Clouding of the lens