<prompt> Krait poisoning is:VasculotoxicNeurotoxicCardiotoxicHaemotoxic  <response>: B i.e. Neurotoxic Ophistoxemia is poisoning by snake venomQ. Belly scales are large and cover the entire breadth of the belly in poisonous snakes. - Viper venom is vasculotoxicQ Mnemonic V2 and contains hemolysin, cytolysis thromboplastinQ, which lit coagulation abnormalities. Elapid ie Cobra, Krait venom is mainly neurotoxic and rich in cholinesterase cardiotoxins. Sea snake Hydrophidae venom is myotoxic. - Polyvalent Snake Antivenin PAV is prepared by hyperimmunizing horse against the 4 common poisonous snakes ie Cobra Naja Naja, common Krait Bungarus caerulus, Russels viper Daboia russel and Saw scaled viper Echis carinataQ. - Indications for anti venom therapy after snake bite. 1. Rapidly progressive severe local findingsQ as soft tissue swelling, ecchymosis, petechiae etc. 2. Manifestations of systemic toxicityQ as signs symptoms of laboratory anormalities. 