Ist OFISA Quiz

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1. Lamina papyracea forms a large part of   

Roof of the orbit
Floor of the orbit
Medial wall of the orbit
Lateral wall of the orbit

2. Sensations from perilimbal conjunctiva is supplied through the   

Nasociliary nerve

3. The nerve which runs outside the muscle cone in the orbit is  

Nasociliary nerve
Trochlear nerve
Optic nerve
Oculomotor nerve

4. Severe mental retardation, hypotonia, renal tubular dysfunction and glaucoma are features of   

Goldenhar syndrome
Sturge Weber syndrome
Lowe’s Syndrome
Apert’s Syndrome

5. Intraocular pressure increases with all except  

Metabolic alkalosis
Respiratory alkalosis

6. The method of achieving oribcularisakinesia by blocking the facial nerve at its terminal branches is called   

Atkinson block
O’Brien block
Van Lint Block
Nadbath block

7. Verrill’s sign:   

Paralysis of Abducens nerve in spinal anaesthesia
Ocular sign as part of Horner’s syndrome
Traditional method used to guide the depth of anaesthesia using eye sign
Traditional method used to gauge the depth of anaesthesia and akinesia in the eye following regional block

8. Tumescent anaesthetic solution is well recognized mixture of   
A. 10ml of lidocaine hydrochloride, 10ml of 8.4% sodium bicarbonate, 1ml of 1:1000 epinephrine and 100ml of normal saline
50 ml of lidocaine hydrochloride, 12.5ml of 8.4% sodium bicarbonate, 1ml of 1:1000 epinephrine and 1000ml of normal saline
50 ml of lidocaine hydrochloride, 25ml of 8.4% sodium bicarbonate, 1ml of 1:100, 000 epinephrine and 500ml of normal saline
9. Patients with Obstructive sleep apnea syndrome (OSAS) are at risk of serious ophthalmic complications including all of the below except:   

Primary open-angle glaucoma (POAG)
Non-arteritic anterior ischemic optic neuropathy (NA-AION)
Idiopathic intracranial hypotension
Floppy eyelid syndrome (FES).

10. Hallermann-Streiff-Francois Syndrome is characterized with the following features expect   

Abnormally shaped skull with hypoplastic mandible
Congenital cataract
Mental retardation
Proportionately tall with hypertrichosis