BIOL 2404 Special Senses: Eye and Ear Worksheet
Each worksheet is worth 25 points. Point values are listed for each question.
Only answers with corresponding numbers are to be submitted as an email attachment in a MS Word document. See calendar for due date.
Anatomy Section 10 points total
Eye
(0.5 points each)
Identify the following structures
__________1. attaches the lens to the ciliary body
__________2. sensory tunic
__________3. anterior transparent part of the fibrous tunic
__________4. forms most of the pigmented vascular tunic
__________5. fluid in the anterior segment of the eye
__________6. area in the macula lutea where there are only cones
__________7. composed of tough, white, opaque, fibrous connective tissue
__________8. internal protein structure that helps focus light
__________9. the blind spot
__________10. drains aqueous humor from the eye
Ear
(0.5 points each)
Identify the following structures
__________11. transmits sound vibrations to the ossicles
__________12. passageway between the pharynx & the tympanic cavity
__________13. ear structure involved with linear balance
__________14. ear structure involved with rotatational balance
__________15. internal ear structure involved with hearing
__________16. malleus, incus, and stapes
__________17. external ear structure that first collects sound from environment
__________18. Fluid contained in the membranous labyrinth
__________19. Grains of calcium carbonate in the maculae
__________20. Gel like membrane overlying the hair cells of the Organ of Corti
Physiology Section 10 points total
Eye
(0.5 points each)
21., 22., 23. Name three cranial nerves involved with the eye and their function
24. Explain the function of vitreous humor
25. Explain the function of cones
26. Explain the function of rods
27. Define refraction
28. Define accommodation
29. Name an accessory structure of the eye and give its function
30. Define adaptation
Ear
(0.5 points each)
31. Explain the role of otoliths in static equilibrium
32. Explain the role of endolymph in the semicircular canals
33. Define decibel
34. Explain the function of the oval window
35. Explain the function of the round window
36. What kind of joint is formed by the malleus, incus, and stapes
37. Name the cranial nerve involved with the ear
38. Give the function of cerumen
39. Explain the role of perilymph
40. Explain how sound can be interpreted as loud or soft
Medical Terminology Section 3 points total
41. uveitis
42. ophthalmologist
43. retinopathy
44. myringotomy
45. otoscope
46. audiometry
Essay Section 2 points
47. Explain 20/20 vision
48. How does eyeball shape affect its focusing ability?
49. How is sight involved in equilibrium?
50. Explain two ways the deafness can occur.