1. Epidemic keratoconjunctivitis is caused by
adenovirus serovars (all true except) :
a) 8
b) 17
c) 19
d) 37
2. Incidence of keratitis in epidemic
keratoconjunctivitis is:
a) 50%
b) 60%
c) 80%
d) 20%
3. Peak incidence of molluscumcontagiosum
conjunctivitis is between the age :
a) 2 and 4 years
b) 10 and 14 years
c) 5 and 10 years
d) 20 and 25 years
4. Keratopathy associated with vernal
keratoconjunctivitisoccur in the fallowing
forms : (all true except )
a) Epithelial macroerosions
b) Plagues and shield ulcers
c) Subepithlial scares
d) Inferior punctate epithelial erosions
5. Recurrance of pterygium after simple excision(
bare sclera technique) is about :
a) 60%
b) 80%
c) 40%
d) 20%
6. The adult corneal endothelial cell density is
about
a) 1000 cells /mm2
b) 1500 cells /mm2
c) 2500 cells /mm2
d) 4000 cells /mm2
7. The number of cornel endothelial cells decreases
per year at about :
a) 0.2%
b) 0.6%
c) 0.9%
d) 1 %
8. The causes of interpalpebral punctate epithelial
erosions include all the following expect :
a) Dry eye
b) Reduced corneal sensation
c) Ultra violet keratopathy
d) Toxicity to drops
9. Causes of corneal filaments are ( all true expect ):
a) Superior limbic keratoconjunctivitis
b) Neurotrophic keratitis
c) Long – term ocular patching
d) Herpes zoster keratitis
10. The bacteria that are able to penetrate a normal
cornealepitheliuminclude all the following
expect :
a) N. gonorrhea
b) Pseudomonas aeruginosa
c) N. meningitides
d) C. diphtheria