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Ch 9 A/P Quiz

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1. A woman applies perfume and immediately detects the scent. But after a short time, she cannot detect the scent. Why does this occur?




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2. _________ results when light rays are focused in front of the retina.




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3. Sound stimuli are transmitted from the tympanic membrane to the oval window by the




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4. Because a chemical we will smell needs to diffuse into the fluid surrounding the olfactory receptors, which of the following substances would not be able to be detected?




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5. The ________ controls the amount of light entering the eye.




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6. When cloudiness of the lens occurs it is referred to as ________.




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7. The actual receptors for taste are the ___________ located within the _________.




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8. Tears are secreted by the __________, flow across the surface of the eye, and drain into the _________ via the superior and inferior canaliculi.




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9. Chemoreceptors for taste are _________, which can only detect chemicals that are _________ in a liquid.




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10. In the maintenance of dynamic equilibrium, turning the head causes movement of endolymph in the _________ stimulating the hair cells of the _________ to form impulses, which are sent to the brain.




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11. Free nerve endings




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12. perilymph; endolymph




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13. frequency




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14. middle ear.




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15. black and white; rhodopsin




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16. cornea; lens




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17. auricle




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18. basilar membrane; organ of Corti




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19. retina; optic




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20. sclera; cornea





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