THE SPECIAL SENSES 307 



PASE 



16. Explain the nerve of smell 268, 269 



17. Explain the uses of the sense of smell! 269-271 



18. Explain the sense of sight 272, 273 



19. Give the statement concerning light and the optic nerve 273, 274 



20. Give the statement concerning the organ of sight 274, 275 



21. Give the statement concerning the orbits 275 



22. Give the statement concerning the eyelids 275, 276 



23. Give the statement concerning the lachrymal fluid 277, 278 



24. Give the statement concerning the eyeball 278-280 



25. Give the statement concerning the iris 280-282 



26. Give the statement concerning the retina 282-285 



27. Give the statement concerning the crystalline lens 285, 286 



28. What are the uses of the lens ? 286-288 



29. What about long and short sight ? 288, 289 



30. Explain the function of accommodation 289, 290 



31. Explain old sight or presbyopia 291 



32. Explain hearing and sound 292-294 



33. Explain the external ear 294, 295 



34. Explain the middle ear 295-299 



35. Explain the internal ear 299, 300 



36. What is said of the protection of the sense of hearing? 300, 301 



37. What caution is given ? 301, 302 



38. How does alcohol affect the special senses ? 302, 303 



39. How does alcohol affect hearing, taste, and touch ? 303 



40. Effect of tobacco upon vision ? 303, 304 



