03-27-2015, 06:41 AM
Approximately one week after cutting himself on a large shard of metal while at work, a non-immunized 23 y/o construction worker visits his physician with an inability to open his mouth. How does the toxin produced by the organism responsible for this man’s condition cause the symptoms reported?
A. Antagonizes muscarinic acetylcholine receptors
B. Antagonizes nicotinic acetylcholine receptors
C. Blocks presynaptic release of acetylcholine
D. Blocks presynaptic release of γ-aminobutyric acid (GABA)
E. Causes demyelination
A. Antagonizes muscarinic acetylcholine receptors
B. Antagonizes nicotinic acetylcholine receptors
C. Blocks presynaptic release of acetylcholine
D. Blocks presynaptic release of γ-aminobutyric acid (GABA)
E. Causes demyelination
