RETINA MCQ 3

1.       Laser most commonly used to treat diabetic macular edema

a.       YAG

b.       Krypton

c.     Argon

d.       Excimer

e.       Xenon

2.       Laser used in vitreous hemorrhage

a.       YAG

b.     Krypton

c.       Argon

d.       Excimer

e.       Xenon

3.       Which of following is least likely indication of vitrectomy

a.       Severe persistent vitreous hemorrhage

b.       Progressive tractional aRD

c.       Combined tractional and rhegmatogenosus RD

d.       Dense premacular retrohyloid hemorrhage

e.       Exudative RD

4.   The magnification of direct ophthalmoscope is

a.   10 times

b.   12 times

c.   13 time

d.   14 time

e.   15 times

5.       The disadvantages of direct ophthalmoscope include all except

a.       Monocular

b.       Lack of stereopsis

c.       Small field of view

d.       Poor view of retinal periphery

                                 e.       High magnification 

6.       OCT is all except

a.       Non invasive

b.       Non contact

c.       Produce micrometer resolution

d.       Cross sectional images

e.     Similar to A scan

7.       OCT is analogous to

a.       A scan

b.     B scan

c.       FFA

d.       CT scan

e.       MRI

8.       Functions of OCT reveal all except

a.       Macular hole

b.       ERM

c.       Cystoid macular edema

d.       Vitreomacular traction

                                  e.      Macular ischemia 

9.       The central retinal artery supplies

a.       Outer half of retina

b.     Inner half of retina

c.       Superior half of retina

d.       Inferior half of retina

e.       Equator only

10.       The choroidal circulation supplies

a.     Outer half of retina

b.       Inner half of retina

c.       Superior half of retina

d.       Inferior half of retina

e.       Equator only