SCLERA MCQ 1

1.   Patient presented with red eye and pain. Posterior scleritis on ultrasound shows which signs

a.   S sign

b.   T sign

c.   V sign

d.   I sign

e.   D sign

2.   A 50 year old patient  pesents with red eye. Scleritis is differentiated from episcleritis by

a.    Phenylephrine test

b.   Cocain test

c.   Hydroxyamphetamine test

d.   Adrenaline test

e.   Pilocarpine test

3.   Scleromalacia perforan is

a.    Non necrotizing scleritits  without inflammation

b.   Non necrotizing scleratitis with inflammation

c.   Necrotizing scleritis without inflammation

d.   Necrotizing scleritis with inflammation

e.   Diffuse Nodular inflammation

4.   which weak steroid is used to treat episcleratis

a.   dexamethasone

b.    fluromethalone

c.   betamethasone

d.   prednisolone

e.   steroid not used

5.   Embryologically sclera is derived from

a.   Surface ectoderm and mesoderm

b.     Neural ectoderm and mesoderm

c.   Neural crest and mesoderm

d.   Neural ectoderm and neural crest

e.   Surface ectoderm and neural ectoderm

6.   Sclera begins to form during which week of embryogenesis

a.   3 week

b.   5 week

c.     7 week

d.   8 week

e.   9 week

7.   Anterior sclera is supplied by

a.   Short ciliary nerve

b.      Long ciliary nerve

c.   Conjunctival nerves

d.   Trochlear nerves

e.   Inferaorbital nerve

8.   Sclera is mainly formed by

a.     Type 1 collagen

b.   Type 2 collagen

c.   Type 3 collagen

d.   Type 4 collagen

e.   Type 5 collagen

9.   Clinical features of posterior scleritis on fundus examination include all except

a.   Choroidal folds

b.   Macular edema

c.   Choroidal detachment

d.   Disc edema

e.     Rhegmatogenous retinal detachment

10. Which is avascular structure

1. 1. 1. 1. Conjunctiva

         2. episclera

         3. Sclera

         4. Uvea

         5. Retina