Card 11 / 19: Which is false regarding pit vipers?
A) most bites are by copperheads
B) venom is delivered by the retractable fangs downward and stabbing forward
C) Echinocytes greatly increase the likelyhood that victum has been envenomated
D) Initial clinical sign is usually marked tissue swelling.
E) Antivenin treatment (CroFabTM) substantially increases the likelihood of survival

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