320 THE SPECIAL SENSES 



PAGE 



16. Explain the nerve of smell ' 281, 282 



17. Explain the uses of the sense of smell 282-284 



18. Explain the sense of sight 285, 286 



19. Give the statement concerning light and the optic nerve 286, 287 



20. Give the statement concerning the organ of sight 287, 288 



21. Give the statement concerning the orbits 288 



22. Give the statement concerning the eyelids 288, 289 



23. Give the statement concerning the lachrymal fluid 290, 291 



24. Give the statement concerning the eyeball 291-293 



25. Give the statement concerning the iris 293-295 



26. Give the statement concerning the retina 295-298 



27. Give the statement concerning the crystalline lens 298, 299 



28. What are the uses of the lens? 299-301 



29. What about long and short sight ? 301, 302 



30. Explain the function of accommodation '. 302, 303 



31. Explain old sight or presbyopia 304 



32. Explain hearing and sound 305-307 



33. Explain the external ear 307, 308 



34. Explain the middle ear 308-309 



35. Explain the internal ear 312, 313 



36. What is said of the protection of the sense of hearing? 313, 314 



37. What caution is given ? 314, 315 



38. How does alcohol affect the special senses ? ,. 315, 316 



39. How does alcohol affect hearing, taste, and touch ? 316 



40. Effect of tobacco upon vision ? 316, 317 



