EXERCISES, LESSON 1

INSTRUCTIONS: Answer the following exercises by completing the incomplete statement or by answering the question.

After you have completed all of these the exercises, turn to “Solutions to Exercises” at the end of the lesson and check your answers. For each exercise answered incorrectly, reread the material referenced with the solution.

1. The stimulus for sight is _____________________________ .

2. The stimulus for equilibrium is _______________________ .

3. The receptor organ for hearing is the __________________ of the ear.

4. The receptor organ for balance is the _________________ of the _______________ .

5. Airborne waves are converted to mechanical vibrations by the ______________ and ________________ .

6. When the pupil constricts as a result of light, the response is called a _______________________ .

7. Prior to instillation of medication or the application of dressings, the eyelids should be ______________________ .

8. Before instilling eye ointment, you must ________________ to remove any crust.

9. Eyedrops and eye ointments are instilled into the ____________________ .

10. When irrigating a patient’s eye, the head should be turned _____________ .

11. After instilling eardrops, the patient should remain still with his head turned _____________________ .

12. When irrigating the ear, the temperature of the solution should be ___________________ .

13. The visual defect in which close objects can be seen more clearly than distant objects is called ________________________ .

14. A refractive error that results from weakening of the ciliary muscles is called _________________________ .

15. The condition known as “pink eye” is called ___________________ .

16. Patient’s undergoing ophthalmic surgery should not cough or sneeze postoperatively because _____________________________ .

17. When a patient returns from ophthalmic surgery, how should he be transferred from litter to bed? ____________________________ .

18. Hearing loss due to disease of the inner ear or nerve pathways is called _________________________ .

19. Cerumen should be removed from the ear if it is ________________ or ____________________ .

20. Why should irrigation not be used to remove a vegetable matter foreign body from the ear? _______________________________ .

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SOLUTIONS TO EXERCISES, LESSON 1

1. Light rays (para 1-1c(1)(b))

2. Gravitational forces (para 1-1c(5)(b))

3. Cochlea (para 1-1c(2)(a))

4. Membranous labyrinth; ear (para 1-1c(5)(a))

5. Tympanic membrane; ossicles (para 1-5b)

6. Direct reaction (para 1-7b(1))

7. Cleansed (para 1-12a)

8. Squeeze out a small amount onto sterile gauze (para 1-13i(3))

9. Conjunctival sac (para 1-13j(4))

10. Toward the affected side (paras 1-12b(4); 1-14d)

11. Toward the unaffected side (para 1-16e,k)

12. 95º-105ºF (para 1-17h)

13. Myopia or nearsightedness (para 1-18a)

14. Presbyopia (para 1-18c)

15. Conjunctivitis (para 1-19)

16. Such violent head movement may cause increased intraocular pressure (para 1-21b)

17. He must be lifted (para 1-22a(1))

18. Perceptive (or sensorineural) loss (para 1-24b)

19. Impacted; interferes with hearing (para 1-25b)

20. It will absorb water and swell (para 1-26d)