VPT-0103
QUESTION
Xylazine causes bradycardia and II degree AV Block. This can be prevented by premedication with?
OPTIONS
(A) Yohimbine
(B) Diazepam
(C) Atropine
(D) Ketamine
ANSWER
(C) Atropine
EXPLANATION
Atropine prevents or reduces xylazine-associated bradycardia and atrioventricular block by blocking excessive vagal muscarinic effects. Yohimbine reverses alpha2 sedation, diazepam and ketamine have different actions, and none is the best preventive premedication here.
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Veterinary Pharmacology and Toxicology · 167 Questions
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