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Author Question: A well-known local herbalist sells the neurotransmitter gamma-aminobutyric acid (GABA) as the bodys ... (Read 95 times)

geoffrey

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on: Jun 19, 2018
A well-known local herbalist sells the neurotransmitter gamma-aminobutyric acid (GABA) as the bodys natural tranquilizer, stating that it helps to calm the central nervous system and prevent anxiety and stress-related messages from reaching the motor centers of the brain. This portrayal reflects GABAs ____.
 
  a. inhibitory effect on brain activity
  b. depolarizing properties
  c. lack of hyperpolarization
  d. excitatory effect on brain activity

Question 2

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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ashely1112

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Reply #1 on: Jun 19, 2018
Answer to Question 1

ANSWER:
a

Answer to Question 2

ANSWER:
d


geoffrey

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Reply 2 on: Jun 19, 2018
Excellent

juliaf

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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