A pharmacy student is testing six different drugs that targetneuromuscular transmission. Predict if the following drugs wouldincrease, decrease or not change the magnitude of the end platepotential at the neuromuscular junction.
Acetylcholinesterase inhibitor
    [ Choose ]        No change        Increase        Decrease    Â
Botulism toxin
    [ Choose ]        No change        Increase        Decrease    Â
Black widow latrotoxin
    [ Choose ]        No change        Increase        Decrease    Â
Antagonist of presynaptic voltage-gated Ca2+ channels
    [ Choose ]        No change        Increase        Decrease    Â
Antagonist of Ach receptors
    [ Choose ]        No change        Increase        Decrease    Â
Antagonist of sarcolemmal voltage-gated Na+ channels
[ Choose ]        Nochange        Increase        Decrease