Which of the Following Statements About the Na,K Pump Is

question 11

Multiple Choice

Which of the following statements about the Na,K pump is false?

• A)It transports Na⁺ out of cells and K⁺ into cells
• B)It binds to and hydrolyzes ATP
• C)It is constantly active in all cells
• D)Its activity requires the expenditure of metabolic energy
• E)It transports Na⁺ and K⁺ in a 1:1 ratio

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Definitions:

Pulmonary Trunk

The major blood vessel that originates from the right ventricle of the heart and bifurcates into the right and left pulmonary arteries, carrying deoxygenated blood to the lungs.

Pulmonary Artery

The pulmonary artery is a large blood vessel that transports deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Pulmonary Vein

A blood vessel that carries oxygenated blood from the lungs back to the left atrium of the heart.

Cerebral Arterial Circle

A circulatory anastomosis that supplies blood to the brain and surrounding structures, also known as the Circle of Willis.