Past Part 1 MRCOphth: 6
1. Vitamin C deficiency causes:
a. thrombosis
b. subconjunctival haemorrhage
c. osteoporosis
d. Bitot's spots
e. delayed wound healing

2. Regarding pituitary hormones:
a. acromegaly is due to acidophilic adenoma
b. diabetes mellitus is a complication of long-term acromegaly
c. bromocriptine causes hyperprolatinaemia
d. anterior pituitary hormone release is mainly mediated by hypothalamic releasing factors
e. overproduction of TSH is the most common cause of hyperthyroidism

3. Diseases associated with Epstein-Barr virus include:
a. carcinoma of cervix
b. nasopharyngeal cancer
c. lymphoma
d. maxillary sinus carcinoma
e. keratoacanthoma

4. Clostridium:
a. forms spores
b. is anaerobic
c. could easily be destroyed by normal disinfectant
d. produces endotoxin which is responsible for tetanus
e. is Gram positive

5. Streptococci:
a. form spores
b. cause abscess
c. are responsible for erysipelas
d. produce coagulase
e. are non-motile

6. Cornea healing in epithelium:
a. migration of epithelial cell from limbus toward the centre
b. intensive gentamicin eye drop delay epithelial healing
c. hemidesmosome from between cells within 24 hours in re-epithelization
d. not affected by damage to basement membrane
e. are affected by the use of anaesthetic eyedrop

7. Relationship within the extraocular muscle cone:
a. lacrimal nerve passes above the cone
b. trochlear nerve passes above the cone
c. nasociliary nerve passes above the cone
d. recurrent lacrimal artery traverses the cone
e. superior ophthalmic vein passes through the muscle cone

8. The followings are derivatives of neurocrest tissue:
a. corneal stroma
b. ciliary muscle
c. lens
d. corneal endothelium
e. iris stroma

9. The ciliary ganglion:
a. measures about 4 mm in size
b. is lateral to the optic nerve
c. it gives rise to long ciliary nerve
d. contains a sensory root
e. if damaged causes a dilated pupil which does not react to light

10. The medial wall of the orbit is made up of the following bones:
a. ethmoid bone
b. maxillary bone
c. lacrimal bone
d. palatine bone
e. sphenoid bone

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