Which of the Following Statements Applies to a Lumbar Puncture

question 13

Multiple Choice

Which of the following statements applies to a lumbar puncture?

• A) It is usually performed at L3-L4.
• B) Fluid is withdrawn from the epidural space.
• C) It can be used to confirm any diagnosis.
• D) The tissue seals up immediately after puncture.

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Definitions:

Fibrosis

The formation of excess fibrous connective tissue in an organ or tissue in a reparative or reactive process.

Smooth Muscle Tone

The continuous and passive partial contraction of smooth muscles, which helps maintain functions like blood pressure and digestion.

Action Potentials

Short-lasting events in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory.

Plasma Membranes

The lipid bilayer surrounding a cell, regulating the passage of substances in and out of the cell.