A child ingested an organophosphate poison used to kill insects. Soon the child's muscles began spastic contractions. Predict what occurred at the synaptic cleft
A. decreased release of acetylcholine from presynaptic neurons
B. increased accumulation of acetylcholine in the synapse
C. the poison binds to acetylcholine receptors and stimulates them
D. increased breakdown of acetylcholine in the synaptic cleft
E. Both increased accumulation of acetylcholine in the synapse and increased breakdown of acetylcholine in the synaptic cleft.
B
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