POST TEST FOR MODULE 41:  Glaucoma, Part 1       Catalog

                                                                   

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1. Which is the leading cause of blindness in the United States?

A. glaucoma

B. diabetic retinopathy

C. cataracts

D. macular degeneration

2. Once vision has been lost to glaucoma, it can be regained with treatment.

A. True

B. False

3. The aqueous humor is produced by:

A. the canal of Schlemm

B. the iris nodules

C. ciliary processes

D. zonules

4. The aqueous humor drains through the:

A. angle of the anterior chamber

B. trabecular meshwork

C. canal of Schlemm

D. all of the above

5. Intra-ocular pressure is expressed in units of:

A. mmHg

B. millimeters

C. micrometers

D. mmH2O

6. Which method of measuring the IOP works by directing a puff of air toward the cornea?

A. Goldmann tonometer

B. Non-contact tonometer

C. Tonopen

D. Perkins tonometer

7. The red mark on the tip of the Goldmann tonometer is used to:

A. align the tip horizontally

B. align the tip vertically

C. align the tip with the minus cylinder axis of astigmatism

D. align the tip for the calibration process

8. Which anatomical feature can affect the accuracy of an IOP reading with the Goldmann tonometer?

A. corneal diameter

B. a closed anterior chamber angle

C. central corneal thickness

D. peripheral iris thickness

9. A patient with glaucoma loses vision because of damage to:

A. the trabecular meshwork

B. the retinal nerve fiber layer

C. the retinal pigment epithelial layer

D. the lateral geniculate body

10. Which of the following C/D ratios indicates the most damage to the optic nerve head?

A. .1

B. .5

C. .7

D. .9

11. The GDx instrument is used to measure:

A. IOP

B. retinal nerve fiber layer thickness

C. central corneal thickness

D. visual field defects

12. The acronym "TSNIT" stands for:

A. temporal-superior-nasal-inferior-testing

B. testing-superior-nasal-inferior-temporal

C. temporal-superior-nasal-inferior-temporal

D. temporal-superior-nasal-inferior-tangential

13. Which term is not used to describe loss of visual field due to glaucoma?

A. Bjerrum scotoma

B. arcuate scotoma

C. nerve fiber bundle defect

D. horizontal raphe

14. Visual field testing can be counted on to be reliable and accurate most of the time.

A. True

B. False

15. Which of the following tests, by itself, can diagnose glaucoma?

A. IOP test

B. visual field test

C. nerve fiber layer thickness

D. none of the above