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Author Question: Match the correct PSP effect with each ion channel action. A) entry of a negative ion; ... (Read 32 times)

Tazate

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on: Jun 22, 2018
Match the correct PSP effect with each ion channel action.
 
  A) entry of a negative ion; hyperpolarization
  B) entry of a positive ion; hyperpolarization
  C) exit of a positive ion; depolarization
  D) exit of a negative ion; hyperpolarization
  E) B and D are correct.

Question 2

Match up the correct pairing of a receptor type with its action.
 
  A) ionotropic; direct opening of an ion channel
  B) ionotropic; more time required to open an ion channel
  C) ionotropic; G-protein activation leads to activation of a second messenger
  D) metabotropic; second messenger effects that are specific to neuronal communication
  E) metabotropic; rapid and short-lived effects on ion channels


johnharpe

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A
Rationale: Activation of ionotropic receptor results in the direct opening of an ion channel.


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Tazate

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Reply #2 on: Jun 22, 2018
Thank you!


johnharpe

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Reply #3 on: Jun 22, 2018
Happy to help


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