VPT-0101
QUESTION
For topical anaesthesia of cornea, lignocaine is instilled into the eye at a concentration of?
OPTIONS
(A) 1%
(B) 2%
(C) 3%
(D) 4%
ANSWER
(D) 4%
EXPLANATION
Lignocaine is commonly instilled at 4% for topical corneal anesthesia because this concentration provides adequate surface anesthesia. The 1%, 2%, and 3% options are not the standard concentration asked for here.
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Veterinary Pharmacology and Toxicology · 167 Questions
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