Snake Bites Test Questions – Flashcards
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What should the nurse do in the field to prevent the spread of venom after a snake bite?
answer
Immobilize the affected extremity in a position of function with a splint; Maintain the extremity at the level of the heart
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How does the nurse assess the development of tissue edema in a snake bite?
answer
Measures and records the circumference of the bitten extremity every 15-30 min
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Who provides the nurse with advice for antivenom dosing and management of snake bites?
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The regional poison control center; toxicologists
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How is it decided whether or not to give antivenom?
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based on the severity of the snakebite which is determined by the grading scale for pit viper envenomation
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What is the newest and safest antivenom for pit viper bites?
answer
Crotalidae Polyvalent Immune Fab (CroFab)
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What should the nurse assess for prior to giving CroFab?
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If the pt has a known hypersensitivity to papain or papaya, and also a sensitivity to mercury containing products or bromelain (pineapple-derived enzyme) or sheep protein
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Why is the pt with a coral snake bite managed by PRESSURE immobilization?
answer
Bc the venom does not spread by blow it spreads through the lymphatic system and so pressure is needed to impede lymphatic blood flow
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IF the pt that has a coral snake bite has neurological symptoms what is the major risk?
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Aspiration of secretions and aggressive airway management should be done by ET tube to maintain airway if this occurs
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what is the antivenom for a coral snake bite?
answer
Antivenin Micrurus Fulvius (Wyeth)
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The most significant risk for any pt with a snake bite is what?
answer
Anaphylactic shock from the antivenom
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