A nurse is admitting a client with severe burns. The nurse uses the rule of nines to estimate the percentage of total body surface area affected by burns. Which of the following statements accurately describes the rule of nines?
It divides the body into eight equal regions, with each region representing 12.5% of the total body surface area.
It divides the body into twelve equal regions, with each region representing 59% of the total body surface area.
It divides the body into six equal regions, with each region representing 15% of the total body surface area.
It divides the body into nine equal regions, with each region representing 100% of the total body surface area.
The Correct Answer is A
A. It divides the body into eight equal regions, with each region representing 12.5% of the total body surface area:
The Rule of Nines assigns percentages to major body parts (e.g., each leg = 18%, each arm = 9%, anterior torso = 18%) totaling 100%.
B. It divides the body into twelve equal regions, with each region representing 59% of the total body surface area:
Incorrect math and region count; total exceeds 100% and is not part of the rule of nines.
C. It divides the body into six equal regions, with each region representing 15% of the total body surface area:
Also incorrect; not consistent with the actual anatomic distribution used in the rule of nines.
D. It divides the body into nine equal regions, with each region representing 100% of the total body surface area:
Nonsensical; if each is 100%, total would be 900%, which is not accurate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Timely administration of prophylactic antibiotics:
Helps reduce infection risk, not increase it.
B. Proper hand hygiene by healthcare providers:
Prevents infection; this is an important part of infection control.
C. Adequate wound cleaning and debridement:
Helps reduce bacterial load and supports healing.
D. Delayed wound closure and prolonged healing:
The longer the wound is open, the greater the risk of infection due to exposed tissue and compromised barrier function.
Correct Answer is D
Explanation
A. Restricted movement:
May occur due to pain or immobilization but does not increase metabolic demand significantly.
B. Reduced pain medications:
May increase discomfort but does not directly increase the metabolic rate.
C. Decreased fluid resuscitation:
Leads to hypoperfusion and shock, not increased metabolism.
D. Inflammation caused by the burn:
Correct. Severe burns trigger a hypermetabolic response due to systemic inflammation, catecholamine release, and tissue repair demands.
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