The White Half-Moon Visible Under the Proximal Part of a Fingernail

question 20

Multiple Choice

The white half-moon visible under the proximal part of a fingernail is the

• A) matrix.
• B) bed.
• C) lunule.
• D) cuticle.

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Definitions:

Urine Output

A measure of how much urine is produced by the kidneys, indicating hydration status and kidney function.

Detrusor Muscle

A muscle of the urinary bladder wall that contracts during urination to release urine.

Internal Sphincter

A muscle that helps control the passage of substances and is not under voluntary control, such as the internal anal sphincter controlling the release of feces.

Urinary Retention

A medical condition characterized by the inability to completely empty the bladder, leading to discomfort and potentially serious health issues.