Physiology Quiz -
The Na⁺/K⁺ ATPase - Part 3

The Na⁺/K⁺ ATPase (or simply Na⁺ pump) is a ubiquitous membrane transport protein found in all body cell types. Test your basic knowledge of the Na⁺/K⁺ ATPase by taking this simple quiz.

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(1) The Na⁺/K⁺ ATPase is a ubiquitous protein (i.e., it is found in all body cell types).

	True
	False

(2) The Na⁺/K⁺ ATPase is an integral membrane protein.

	True
	False

(3) The Na⁺/K⁺ ATPase is responsible for maintaining a:

	(A) low intracellular Na⁺ concentration
	(B) high intracellular K⁺ concentration
	(C) high extracellular Na⁺ concentration
	(D) low extracellular K⁺ concentration

(4) The Na⁺/K⁺ ATPase is a:

	(A) F-type ATPase
	(B) P-type ATPase
	(C) V-type ATPase

(5) A fully functional Na⁺/K⁺ ATPase requires the following:

	(A) A main catalytic α subunit
	(B) An accessory β subunit
	(C) In some tissues, an accessory protein belonging to the FXYD family of proteins

Checking your answers...

Posted: Sunday, December 28, 2014
Last updated: Tuesday, March 11, 2025

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Physiology Quiz -The Na+/K+ ATPase - Part 3

Physiology Quiz -
The Na⁺/K⁺ ATPase - Part 3