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4414 Microbiology

An 8 month old baby presents to the emergency room with a 1-day history of poor feeding and generalized weakness. The mother states that she often feeds the baby honey to pacify her. The toxin responsible for this presentation works by which of the following mechanisms?

AIt blocks the release of acetylcholine from the nerve terminal
BIt blocks the release of inhibitory neurotransmitters such as glycine and GABA
CIt has a subunit that inactivates an elongation factor by ADP-ribosylation
DIt is a lecithinase
Microbiology
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