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BVSc4 Test With Complete Solution
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BVSc4 Test With CompleteSolution
List the 8 steps of an ophthalmic exam - Answer 1. Distance examination
2. Schirmer tear test
3. Neuro-ophthalmic examination
4. Close direct examination
5. Sampling
6. Intraocular pressure and pupil dilation
7. Lens and posterior segment examination
8. Vital stain application
List two things that can be assessed by distant direct ophthalmoscopy - Answer 1. Pupil
size
2. Strabismus
How long should you hold the Schirmer tear test paper in position for? - Answer 1
minute
What is the normal range for a STT measurement in the dog? - Answer 15 - 25mm/minute
What is the normal range for a STT measurement in the cat? - Answer 9 - 24mm/minute
What is the normal range of IOP in the dog? - Answer 10 - 25mmHg
Which local anaesthetic can be used to facilitate ophthalmic examination if necessary? -
Answer Proxymetacaine
Which drug is typically used to dilate the pupils before posterior segment examination? -
Answer Tropicamide 0.5% or 1%
How long will the pupils remain dilated for after you administer the drug? - Answer Up to
24 hours
Which part of your ophthalmic examination will interfere with your results if done before
conjunctival swabs for culture and sensitivity? - Answer Lens and posterior segment
examination (fluorescein or proxymetacaine)
, Which colour filter should you use after applying fluorescein drops to highlight the
stain? - Answer Blue cobalt
What is the normal tear-film break up time? - Answer 20 seconds
Which glands or cells produce the lipid phase of the tear film? - Answer Meibomian
glands
List two techniques used to examine the ocular surface - Answer 1. Direct observation
+/- light source
2. Close direct ophthalmoscopy +10D
Provided you have standard vision, which setting do you use to practice distant direct
ophthalmoscopy? - Answer 0
What setting do you use to examine the anterior segment with close direct
ophthalmoscopy? - Answer +5D to +20D
What setting do you use to examine the posterior segment with close direct
ophthalmoscopy? - Answer +-D
Which type of ligature helps alight the eyelid margin effectively? - Answer Figure of 8
What are the primary lesions of atopic dermatitis? - Answer 1. Pruritus
2. Papules
3. Erythema
List two zoonotic cutaneous microbial infections - Answer 1. Dermatophilosis
2. Dermatophytosis
List one significant predisposing factor for dermatophilosis in horses - Answer
Excessive moisture
List two systemic treatments for allergic skin disease which are licensed for use in cats -
Answer 1. Ciclosporin
2. Prednisolone
What diagnostic test is most appropriate to diagnose sarcoptic mange? - Answer
Superficial skin scraping
Pediculosis (louse infestation) in large animals is most apparent in which season? -
Answer Winter
Psuedomonas is a ___ cause of otitis externa - Answer Secondary
List three predisposing factors for otitis - Answer 1. Ear canal conformation
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