An example of capillary action is:

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Study for the VTNE Laboratory Procedures Test. Use flashcards and multiple choice questions, each question offers hints and explanations, enabling increased understanding and retention. Prepare effectively for your exam!

Multiple Choice

An example of capillary action is:

Explanation:
Capillary action is the movement of liquid in a very narrow space driven by adhesive forces between the liquid and the surface plus cohesive forces within the liquid, enough to pull the liquid upward against gravity. In a hematocrit tube, the blood is drawn into the tiny glass tube by these capillary forces, so the sample fills the tube without needing a pump. This makes it a classic example of capillary action. The other scenarios describe circulation or manual transfer of serum, not capillary-driven rise in a narrow space.

Capillary action is the movement of liquid in a very narrow space driven by adhesive forces between the liquid and the surface plus cohesive forces within the liquid, enough to pull the liquid upward against gravity. In a hematocrit tube, the blood is drawn into the tiny glass tube by these capillary forces, so the sample fills the tube without needing a pump. This makes it a classic example of capillary action. The other scenarios describe circulation or manual transfer of serum, not capillary-driven rise in a narrow space.

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