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NERVOUS SYSTEM AND SPECIAL SENSES QUIZ

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1. By which of the following pathways does sound entering the ear reach the organ of Corti?

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2. Accommodation refers to the eye’s ability to focus light from objects whatever their distance from the eye. How is this achieved?

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3. Which of the following is NOT indicative of the stimulation of the parasympathetic system?

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4. What is presbyopia due to?

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5. Cataract is an eye disease which affects vision. It is caused by____

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6. All are effects of the parasympathetic nervous system EXCEPT?

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7. What does the ciliary muscle do when accommodation (focussing) in the eye occurs?

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8. What is the place where the blood vessels and nerve fibres come together and leave the posterior chamber of the eye called?

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9. The deterioration of sight with age is known by which term?

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10. What is the light sensitive cell in the retina that responds to colour called?

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11. What is the light sensitive cell in the retina that responds to black and white called?

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12. Which muscle(s) are NOT controlled by the autonomic nervous system?

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13. What is the function of the middle ear ossicles?

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14. Glaucoma is an eye disease which affects vision. It is caused by____

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15. Accommodation refers to our ability to bring objects at any distance into sharp visual focus by altering which of the following?

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16. What part of the nervous system prepares the body for action during extreme situations?

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17. The ossicles of the ear pass on sound vibrations to the fluid in the inner ear. In what structure is this fluid located?

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18. Sound produces vibrations in the cochlear fluid of the inner ear. The movement of the fluid then produces motion in which of the following?

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19. In which region of the eye does the most detailed vision occur? The____

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20. What is the nerve that that carries most of the parasympathetic signals?

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21. What is the parasympathetic division of the autonomic nervous system responsible for?

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22. What innervates the diaphragm?

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23. To which membrane is the ear’s organ of Corti attached?

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24. What may be said of the parasympathetic division of the autonomic nervous system?

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25. Which of the following auditory structures are filled with fluid?

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26. Which part of the retina has the greatest sensitivity to light?

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