Which statement best describes cuff size in blood pressure measurement?

Which statement best describes cuff size in blood pressure measurement?

• A. A cuff that is too small yields artificially low readings.
• B. A cuff that is too large yields artificially high readings.
• C. Cuff size has no impact on reading accuracy.
• D. The correct cuff size covers about 40% of the upper arm.

Answer: (D)