Which of the following is true about the rule of nines in a burn patient?
The rule of nines is based on the anatomical divisions of the body into nine equal areas.
The rule of nines is used to calculate the total body surface area of a burn patient.
The rule of nines is used to estimate the percentage of body surface area affected by burns.
The rule of nines is only applicable to adults and not children.
The Correct Answer is C
A. The body is not divided into nine equal areas; the name refers to approximate multiples of nine for each section.
B. The rule helps estimate the percentage of body surface area (BSA) burned, not calculate total BSA.
C. The rule of nines is a quick method to estimate the percentage of total body surface area affected by burns in adults. Each major section of the body is assigned a value that is a multiple of nine, aiding in fluid resuscitation and treatment planning.
D. It is primarily used for adults; modified charts, such as the Lund and Browder chart, are more accurate for children due to their different body proportions.
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Related Questions
Correct Answer is D
Explanation
A. 9% represents the total surface area of one arm (anterior and posterior combined), not both arms.
B. 12% is not a correct calculation based on the Rule of Nines.
C. 36% represents a much larger area, such as the entire trunk (anterior and posterior), not just the arms.
D. According to the Rule of Nines, each arm accounts for 9% of total body surface area (4.5% anterior + 4.5% posterior). Therefore, both arms (anterior and posterior) equal 18% total
Correct Answer is A
Explanation
A. 16,800 mL is correct based on the formula.
The Parkland formula is:
4 mL × body weight (kg) × %TBSA burned
= 4 × 70 × 60
= 16,800 mL total fluid in 24 hours
B. 18,000 mL overestimates the requirement.
C. 14,000 mL underestimates the fluid needed.
D. 12,600 mL is too low for a 60% TBSA burn in a 70 kg patient.
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