Past Part 1 MRCOphth: 7
1. Ophthalmic artery:
a. cilio-retinal artery is present in 30% of the subjects
b. the site where it joins the internal carotid is a common site for formation of aneurysm
c. long posterior ciliary artery supply the fovea
d. marginal and peripheral arcade behind the optical septum supply the upper lid
e. gives rise to 2 long ciliary arteries

2. Transparency of the cornea depends on:
a. the endothelium integrity
b. integrity of epithelium
c. absence of blood vessels
d. absence of nerve fibres
e. absence of keratocytes

3. Prolonged immuno-suppression is associated with:
a. non-Hodgkin's lymphoma
b. pneumocystic carinii pneumonia
c. basal cell carcinoma
d. cutaneous melanoma
e. posterior subcapsular cataract

4. Nerve supply of the iris:
a. the iris receives only autonomic nerve supply
b. the long ciliary nerves are branches fo the naso-ciliary nerve of the ophthalmic division of the trigeminal nerve
c. the short ciliary nerve arises from the ciliary ganglion and contain pre-ganglionic parasympathetic nerve fibres
d. the parasympathetic innervates the constrictor papillae
e. the parasympathetic nerve fibres to the iris originates in the Edinger-Westphal nucleus of the trigeminal nerve.

5. Delayed visual maturation:
a. can be diagnosed with visual evoked potential
b. can be diagnosed by ERG
c. can be diagnosed by EOG
d. is characterized by retinal neovascularization
e. is characterized by nystagmus

6. Streptococcus:
a. is motile
b. forms spores
c. is more virulent if it is coagulase positive
d. causes erysepilas
e. is largely sensitive to vancomycin 

7. The following virus virus is associated with malignant tumour:
a. human papilloma virus
b. hepatitis B 
c. hepatitis C
d. Epstein-Barr virus
e. cytomegalovirus

8. In sympathetic ophthalmitis:
a. inflammation begins in the sympathizing eye first
b. infiltrate first appears in the retina
c. optic nerve is involved in 50% of cases
d. retina antigen may be the provoking antigen
e. enucleation after the other eye is attacked can halt the progress of the disease

9. Intraocular pressure:t
a. varies seasonably
b. varies diurnally and is highest in early morning
c. drops promptly during onset of sleep and anaesthesia
d. decreases with age in Caucasian
e. varies with tachycardia

10. In tear film:
a. Ig A is dominant and is formed in concentration about twice that of IgG
b. IgA of tear contains a secretary piece of molecule
c. lysozyme in human tear is greater than any other body fluid except saliva
d. corneal injury produces an acidic tear film
e. lysozyme concentration in tear is a useful diagnostic test for Sjogren's syndrome.

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