DrPohler Is a Neurobiologist Studying Ways to Enhance the Perception

question 34

Multiple Choice

Dr.Pohler is a neurobiologist studying ways to enhance the perception of sound in people with hearing difficulties.He discovers a natural neurotransmitter that increases the chance a neuron will fire an action potential,increasing sensitivity to sound.What is the effect of this neurotransmitter on the receiving neuron?

• A)Inhibitory,causing hyperpolarization
• B)Inhibitory,causing depolarization
• C)Excitatory,causing hyperpolarization
• D)Excitatory,causing depolarization

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