Which Vertebra Lies at the Intersection of the Supracristal Lines

question 57

Multiple Choice

Which vertebra lies at the intersection of the supracristal lines and is used as the site to insert a needle to obtain a sample of cerebrospinal fluid (CSF) ?

• A) C₇
• B) T₁₂
• C) L₁
• D) L₄

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Definitions:

Implicit Memory

A type of memory in which previous experiences aid in the performance of a task without conscious awareness of these previous experiences.

Echoic Memory

A component of sensory memory that retains audio information, allowing the brain to capture and briefly hold sounds after the original stimulus has ceased.

Watered Down

Refers to making something less forceful or less effective, often by dilution or modification.

Transmission

The process of conveying information, signals, or messages from one person or place to another, through verbal, non-verbal, or technological means.