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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Definitions:

Hallucinations

Hallucinations are sensory perceptions that appear real but are created by the mind, without an external stimulus, affecting vision, hearing, or other senses.

Delusions

Fixed false beliefs that are resistant to reason or confrontation with actual fact, often observed in psychiatric conditions.

Coma

A state of unconsciousness in which the person shows no response to maximum painful stimuli, absence of reflexes, and absence of muscle tone in the extremities.

Traumatic Brain Injury

Damage to the brain caused by an external physical force, leading to temporary or permanent impairments in cognitive, physical, or emotional functioning.