Which Is TRUE About the Na⁺,K⁺ ATPase Pump in Neurons

question 80

Multiple Choice

Which is TRUE about the Na⁺,K⁺ ATPase pump in neurons?

• A)It generates a small electrical potential such that the inside is made negative with respect to the outside.
• B)It maintains a concentration gradient for K⁺ such that diffusion forces favor movement of K⁺ into the cell.
• C)It maintains an electrical gradient at the equilibrium potential of K⁺.
• D)It transports equal numbers of sodium and potassium ions with each pump cycle.
• E)It pumps 3 Na⁺ ions into the cell for every 2 K⁺ ions it pumps out.

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Focus Knobs

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A mechanical device, typically part of a camera or microscope, that controls the amount of light passing through a lens or onto a specimen.

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The diameter of the field of view seen through the microscope, typically measured in millimeters or micrometers.

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