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NPTE Physical Therapist Exam Review

Category - Physical Therapy

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What is the movement of oxygen across a cell membrane called?

Concentration gradient
Osmosis
Diffusion
Dissociation

Explanation

Answer: C - The movement of oxygen across a cell membrane is called diffusion. The concentration gradient is what causes this process to occur, as the pressure of gas outside the membrane exceeds that inside the membrane.

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NPTE Physical Therapist Exam Review

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