Movement of a Molecule Against a Concentration Gradient Is

question 30

Multiple Choice

Movement of a molecule against a concentration gradient is

• A)simple diffusion.
• B)facilitated diffusion.
• C)osmosis.
• D)active transport.
• E)bulk flow.

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Definitions:

Intracranial Pressure

The pressure within the skull affecting the brain, influenced by blood, cerebrospinal fluid, and brain tissue; changes can indicate significant conditions.

Lumbar Puncture

A medical procedure involving the insertion of a needle into the lower part of the spinal column to collect cerebrospinal fluid for diagnostic purposes.

Fluid Aspiration

The removal of fluids from a body cavity, tissue, or organ by suction or syringe for diagnostic or therapeutic purposes.

Needle Insertion

The technique of placing a needle, often for medical procedures like injections or blood drawing, into a part of the body.