CORNEA MCQ 2

1.      Microphthalmos

a.      Eye is small and normal

b.    Eye is small and abnormal

c.       Cornea is small and normal

d.      Cornea is small and abnormal

e.      None of above

2.      Nanophthalmos

a.   Eye is small and normal

b.      Eye is small and abnormal

c.       Cornea is small and normal

d.      Cornea is small and abnormal

e.      None of above

3.      Thickened and anteriorly displaced Schwalbe line

a.      Anterior embryotoxin

b.  Posterior embryotoxin

c.       Axenfield anomaly

d.      Rieger anomay

e.      Rieger syndrome

4.      Ocular association of axenfield-rieger anomaly is

a.      Cataract

b.  Glaucoma

c.       Uveitis

d.      Scleritis

e.      Retinal detachment

5.      Central corneal opacity, which is due to the localized absence of the corneal endothelium and Descemet membrane beneath the area of opacity

a.      Anterior embryotoxin

b.      Posterior embryotoxin

c.   Peters anomaly

d.      Rieger anomaly

e.      Rieger syndrome

6.      Fleischer ring is seen in

a.      Pterygium

b.     Wilson disease

c.     Keratoconus

d.     Corneal dystrophy

e.     Dellen

7.      Bacteria can penetrate intact epithelium

a.    Pseudomonas aeruginosa

b.    Staphylococcus aureua

c.   Streptococci

d.  Neisseria gonorrhoeae

e.    Staphylococcus epidermidis

8.      Fluorescein stains ulcer

a.    Green

b.      Blue

c.       Yellow

d.      Black

e.      White

9.      Neurotropic keratitis is seen in damage to

a.      3rd nerve

b.      4rth nerve

c.     5th nerve

d.      6th nerve

e.      7th nerve

10.      Corneal transparency is maintained by all except

a.  Sodium-potassium pump in endothelium

b.  Avascularity of cornea

c.   Myelinated nerve fiber

d.      Lattice arrangement of fibers in stroma

e.      Tight junctions at epithelial basal cells