Action Potential Review

Action Potential Review

Assessment

Flashcard

Biology

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What ions are primarily involved in generating an action potential?

Back

Sodium (Na) and Potassium (K)

2.

FLASHCARD QUESTION

Front

What process does the sodium-potassium pump use to restore the resting membrane potential?

Back

Active transport

3.

FLASHCARD QUESTION

Front

At what membrane potential do potassium channels open, leading to repolarization?

Back

+30mV

4.

FLASHCARD QUESTION

Front

In which direction do action potentials travel along the neuron?

Back

From the axon to the axon terminals.

5.

FLASHCARD QUESTION

Front

What is the normal resting potential of a neuron cell membrane?

Back

-70mV

6.

FLASHCARD QUESTION

Front

What is depolarization in the context of action potentials?

Back

A decrease in the membrane potential, making the inside of the cell more positive.

7.

FLASHCARD QUESTION

Front

What role do voltage-gated sodium channels play in action potentials?

Back

They open in response to depolarization, allowing Na+ ions to enter the cell.

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