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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Infection risk is more related to catheter insertion and maintenance, not balloon inflation time.
B. Inflating the balloon does not affect oxygenation directly.
C. Prolonged inflation of the pulmonary artery catheter balloon can obstruct blood flow and lead to pulmonary artery rupture or infarction. Therefore, it should be inflated only briefly to obtain an accurate wedge pressure reading, then deflated immediately.
D. Cardiac stroke volume index is calculated using other hemodynamic parameters, not wedge pressure specifically.
Correct Answer is B
Explanation
A. Contractures are not always fully reversible, especially if left untreated for long periods.
B. Contractures can be partially reversible with early and appropriate treatment, including physical therapy, splinting, and sometimes surgical intervention.
C. Some contractures may become permanent if not addressed, but they are not universally irreversible.
D. Surgery may be necessary for severe contractures, but many can improve with non-surgical methods.
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