1. _________________ secrete a mucus that captures and dissolves airborne odor molecules.
2. We can distinguish about ___________ different smells.
3. The olfactory bulb and olfactory hairs are connected by __________________.
4. Chemicals (food) must be dissolved in saliva and touch the _______________ for taste to occur.
5. ____________ items are best detected by the back of the tongue.
6. ____________ secrete a salty solution that forms tears.
7. Lacrimal secretion is spread across the eye by the _______________.
8. The white, outer layer of the eye is the __________.
9. Taste is detected by ____________.
10. The clear outside layer in front of the eye is the ______________.
11. Sound travels through the ext. auditory canal and directly strikes the _____________.
12. Earwax is produced by the _____________ glands.
13. The nerve endings which register light are located in the _____________.
14. The ossicles (ear bones) are located in the _________________.
15. The external ear, made of cartilage, is also known as the _____________.
16. The external auditory canal is about ________ long by _________ in diameter.
17. _____________ pick up color, while ____________ pick up black and white.
18. The posterior chamber of the eye is filled with a clear, gelatinous substance known as ______.
19. The ____________________________ focuses light onto the retina.
20. ____________ results when something prevents sound vibrations from getting to the inner ear.
21. The pharyngotympanic (auditory) tube connects the nasopharynx to the _____________.
22. Otosclerosis affects the _____________.
23. There are ___________ semicircular canals.
24. Loud noises can cause __________________.

_____ optic nerve   _____ lens  _____ ciliary bodies    _____ aqueous humor   _____ blind spot   _____ sclera   _____ iris   _____ cornea   _____ pupil         _____ vitreous humor _____ retina   _____ choroid

Old (longer) version of the test

I. TASTE

1. Taste is detected by ____________.

2. ____________ items are best detected by the back of the tongue.

3. Most of the taste buds are located _______________.

4. Chemicals (food) must be dissolved in saliva and touch the _______________ for taste to occur.

II. SMELL

5. We can distinguish about ___________ different smells.

6. The olfactory bulb is located _______________________.

7. The olfactory bulb and olfactory hairs are connected by __________________.

8. _________________ secrete a mucus that captures and dissolves airborne odor molecules.

III. VISION

9. The __________ help to keep sweat out of the eyes.

10. Lacrimal secretions enter the lacrimal ducts through holes called _________________.

11. Eye movement is controlled by _______________.

12. The small, jerky movements of the eye are called _________________.

13. The white, outer layer of the eye is the __________.

14. The ______________, the middle layer of the posterior of the eye, is dark brown and vascular.

15. The nerve endings which register light are located in the _____________.

16. _____________ pick up color, while ____________ pick up black and white.

17. ____________ secrete a salty solution that forms tears.

18. Lacrimal secretion is spread across the eye by the _______________.

19. Lacrimal secretion flows into the lacrimal sacs and is deposited in the ____________.

20. The retina merges into the optic nerve at the ____________.

21. The clear outside layer in front of the eye is the ______________.

22. The clear, gelatinous material between the cornea and the lens is the _________________.

23. The ____________________________ focuses light onto the retina.

24. The _____________ hold the lens in place and change its shape for proper focusing.

25. ________________ eyes focus objects in front of the retina; it's corrected with a concave lens.

26. ________________ eyes, also known as hyperopic, can be corrected with a convex lens.

27. The posterior chamber of the eye is filled with a clear, gelatinous substance known as ______.

IV. HEARING

28. The external ear, made of cartilage, is also known as the _____________.

29. Earwax is produced by the _____________ glands.

30. Sound travels through the ext. auditory canal and directly strikes the _____________.

31. The _____________, also called the tympanic cavity, is filled with air and lined with mucus.

32. The pharyngotympanic (auditory) tube connects the nasopharynx to the _____________.

33. The ossicles (ear bones) are located in the _________________.

34. The tympanic membrane passes sound vibrations directly to the ______________.

35. The oval window receives sound vibrations directly from the _______________.

36. The central part of the bony labyrinth is the ________________.

37. The organ of Corti is found in the ____________.

38. The external auditory canal is about ________ long by _________ in diameter.

39. Vibrations of cochlear fluid stimulate the ___________, which send nerve impulses to the brain.

40. ____________ results when something prevents sound vibrations from getting to the inner ear.

41. A side effect of some medications can be _________________.

42. Loud noises can cause __________________.

43. Otosclerosis affects the _____________.

44. The equilibrium receptors of the inner ear are called the _________________.

45. The receptors for _________________ are the maculae of the saccule and utricle.

46. The maculae consists of __________________ in an overlying otolithic membrane.

47. Dynamic equilibrium is detected in the _______________.

48. The crista ampullaris consists of hair cells embedded in the jelly-like _____________.

49. _____________ equilibrium results from responding to angular or rotary movement.

50. There are ___________ semicircular canals.