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Author Question: Raising the potassium ion concentration in the extracellular fluid surrounding a nerve cell will ... (Read 25 times)

clippers!

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on: Feb 28, 2019
Raising the potassium ion concentration in the extracellular fluid surrounding a nerve cell will have what effect?
 A) depolarize it
  B) hyperpolarize it
  C) increase the magnitude of the potassium equilibrium potential
  D) decrease the magnitude of the potassium equilibrium potential
  E) both hyperpolarize it and decrease the magnitude of the potassium equilibrium potential

Question 2

Ions can move across the plasma membrane in which of the following ways?
 A) through voltage-gated channels as in the action potential
  B) through passive or leak channels
  C) by ATP-dependent ion pumps like the sodium-potassium exchange pump
  D) through chemically gated channels as in neuromuscular transmission
  E) All of the answers are correct.


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Sophiapenny

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Reply #1 on: Feb 28, 2019
Answer to Question 1

E

Answer to Question 2

E


clippers!

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Reply #2 on: Feb 28, 2019
Thank you!


Sophiapenny

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Reply #3 on: Feb 28, 2019
Always glad to help...


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