Venemous Animals Flashcards
What is the most venomous spider in North America?
Latrodectus mactans
Southern black widow
___ is the Northern black widow
a. Latrodectus mactans
b. Latrodectus variolus
c. Latrodectus hesperus
b. Latrodectus variolus
__ is the Western black widow
a. Latrodectus mactans
b. Latrodectus variolus
c. Latrodectus hesperus
c. Latrodectus hesperus
What is a potent neurotoxin in widow spider venom?
alpha latrotoxin
results in release of dopamine, acetylcholine, glutamate, and GABA
syndrome from bite known as latrodectism
Latrodectus antivenom is highly effective and curative
a. true
b. false
a. true
Widow spider bite antivenom dose?
1-2 vials (2.5mL each) in 50-100 mL NS or D5W
1hr infusion time
What is the most common venomous spider in the US?
brown recluse
What drug may aid pts who develop vesicle within 6-8hrs of brown recluse bite?
dapsone
200mg twice daily for 2 weeks
If available, coral snake antivenom is only indicated for pts developing __
paralysis