RN Nursing · Health Promotion and Disease Prevention · Practice question
A nurse practicing population health works for a local hospital's weight-loss program for bariatric patients. After implementing various health-style changes in their care plans, which of the following assessment findings would indicate to the nurse that the interventions are working?
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The patients have improved blood pressure readings to be within expected reference range.
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The patients have lowered their cholesterol levels from previous laboratory results.
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✓
There is a significant decrease in the patients' BMI measurements.
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The patients are choosing healthier food options for their diet plans.
Answer & explanation
Correct: There is a significant decrease in the patients' BMI measurements.
In a bariatric weight-loss program, the primary and most direct indicator that health-style interventions are working is a significant decrease in the patients' BMI measurements. BMI is the standard metric used to classify obesity and monitor weight-loss progress; it directly reflects changes in body weight relative to height. A meaningful reduction in BMI demonstrates that the interventions targeting excess weight are producing the intended physiological outcome. While improved blood pressure readings and lowered cholesterol levels are positive health changes, they are secondary or indirect outcomes that can occur for reasons beyond weight loss, such as medication adjustments or dietary sodium reduction, and they do not specifically confirm that the weight-loss program itself is effective. Choosing healthier food options represents a behavioral change and is a process measure rather than an outcome measure — it shows compliance with one component of the plan but does not confirm that the intervention is producing measurable health improvement. BMI reduction is the most objective, program-specific outcome measure that directly answers whether the weight-loss interventions are achieving their intended goal for bariatric patients.
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