Action Potential

Action Potential

Assessment

Flashcard

Biology

11th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the process by which the sodium-potassium pump restores the resting potential?

Back

Active transport

2.

FLASHCARD QUESTION

Front

What does the sodium-potassium pump exchange during hyperpolarization?

Back

Exchanges (K+) & (Na+) to return a neuron to a resting state.

3.

FLASHCARD QUESTION

Front

In resting potential, which ion is more abundant on the outside of the cell membrane?

Back

Na+

4.

FLASHCARD QUESTION

Front

What happens when a membrane potential reaches +30mV?

Back

Potassium channels open, repolarization occurs, and sodium channels close.

5.

FLASHCARD QUESTION

Front

What is the function of the sodium-potassium pump?

Back

Moves sodium ions out of the cell and potassium ions into the cell.

6.

FLASHCARD QUESTION

Front

Define resting potential in neurons.

Back

The state where the inside of the neuron is negatively charged compared to the outside, typically around -70mV.

7.

FLASHCARD QUESTION

Front

What is depolarization?

Back

The process where the membrane potential becomes less negative (more positive) due to the influx of Na+ ions.

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