Motor Neurons Release the Neurotransmitter Acetylcholine (ACh), and Acetylcholinesterase Degrades

question 2

Multiple Choice

Motor neurons release the neurotransmitter acetylcholine (ACh) , and acetylcholinesterase degrades ACh in the synapse. If a neurophysiologist applies onchidal (a naturally occurring acetylcholinesterase inhibitor produced by the mollusk Onchidella binneyi) to a synapse, what would you expect to happen?

• A) paralysis of muscle tissue
• B) gradual loss of resting potential
• C) convulsions due to constant muscle stimulation
• D) decrease in the frequency of action potentials
• E) no effect

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