Past MRCOphth/MRCS questions: 19
1. Trachoma follicles:
a. occur in the conjunctival stroma
b. consist of lymphocytes in early stages
c. may show necrosis in the central zone
d. are not accompanied by submucosal inflammation
e. are pathognomonic of the disease

2. Carbonic anhydrase inhibitors:

a. can cause exfoliation dermatitis
b. are hyperosmotic agents
c. encourage renal stone formation
d. can result in metabolic acidosis
e. can cause potassium depletion

3. Lattice degeneration:

a. is usually found at the equator
b. is associated with abnormal vitreous retinal adhesions
c. develops from paving stone degeneration
d. sometimes requires prophylactic treatment
e. is associated with horseshoe breaks

4. A tumour of the temporal lobe can:

a. produce a homonymous hemianopia
b. produce visual hallucinations
c. simulate migraine
d. VIth nerve palsy
e. disturbance of the medial longitudinal bundle

5. The herpes simplex virus can:

a. cause disciform keratitis
b. cause corneal hypoaesthesia
c. be a conjunctival commensal
d. be activated by sunlight
e. produce marginal keratitis

6. Regarding episcleritis:

a. episcleritis nearly always accompanies scleritis
b. episcleritis clears without treatment
c. simple episcleritis is sectoral in 70% of cases and 
    generalized in 30%
d. vascular congestion is mainly in the superficial 
    conjunctiva plexus
e. nodular episcleritis may progress to anterior nodular 

7. Regarding scleritis:

a. posterior scleritis is seldom related to a systemic 
b. the most benign form of scleritis is the nodular anterior 
c. most patients with inflammatory necrotizing scleritis die 
    within a few years of onset of disease
d. scleromalacia perforans occur in most connective 
    tissue disease
e. scleromalacia perforans will response well to pulse 
    dose methyl prednisolone and cyclophosphamide

8. Regarding orbital trauma:

a. orbital blow-out fractures result when the bony orbit is 
    injured by an object characteristically smaller than the 
    orbital rim
b. orbital emphysema is a sign of fracture of a sinus wall 
    and is frequently following ethmoid fractures
c. naso-orbital fractures often affect the medal canthal 
d. visual loss can be a result of posterior ciliary arterial 
e. an afferent pupillary defect and visual loss immediately 
    following surgery should be treated with systemic 

9. Concerning lesion of the optic disc:

a. 40% of patients with central congenital optic disc pits 
   develop serous detachment of the macula
b. optic disc drusen are situated in the retrolaminar zone 
    of the optic nerve
c. optic disc drusen are often associated with anomalous 
    configuration of the disc vessels
d. in optic disc melanocytomas the visual field defect is 
    determined by the size of the lesion
e. primary optic atrophy is characterized by marked 
    proliferation of glial and fibrous connective tissue on 
    the optic disc

10. The following are true:

a. in unilateral cases of optic nerve hypoplasia there may 
    be a disparity in the size of the optic foramina
b. optic nerve glioma in adults usually presents like an 
    acute optic neuritis
c. the temporal field defect in tilted disc can be reduced 
    by the appropriate refractive correction
d. myelinated nerve fibres can be present at birth
e. congenital disc coloboma can be associated with 
    absent septum pellucidum
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