A nurse is calculating the BMI of a client who has a weight of 75 kg (165.3 lb) and a height of 1.8 m (5 ft 9 in). Which of the following values should the nurse calculate as the client's BMI?
42
28
32
24
The Correct Answer is D
Rationale:
A. 42: A BMI of 42 falls in the category of class III (severe) obesity. This would only occur if the client's weight were significantly higher than 75 kg for a height of 1.8 m.
B. 28: A BMI of 28 indicates overweight status. At 75 kg and 1.8 m tall, the client does not meet the weight requirement for a BMI this high, as 28 would correspond to a weight closer to 91 kg.
C. 32: A BMI of 32 falls in the obesity range. For someone who is 1.8 m tall, a BMI of 32 would require a weight of about 104 kg, which is much higher than the client’s actual weight of 75 kg.
D. 24: The BMI is calculated as weight (kg) divided by height (m²). Using the formula:
BMI = 75 / (1.8 × 1.8) = 75 / 3.24 ≈ 23.15, which rounds to 24, placing the client in the normal weight range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. A client who has decreased interleukin-6 levels: Interleukin-6 is a pro-inflammatory cytokine that may be elevated in depression, but its decrease is not an indicator for antidepressant use. It’s not routinely used to determine the need for antidepressant therapy in clinical practice.
B. A client who has decreased urine cortisol levels: Depression is more commonly associated with increased cortisol levels due to stress responses. Low cortisol may be seen in conditions like Addison's disease but does not typically guide antidepressant use.
C. A client who has decreased C-reactive protein levels: CRP is a nonspecific inflammatory marker. While elevated CRP has been observed in some individuals with depression, a decreased CRP level would not indicate the need for antidepressant therapy.
D. A client who has decreased serotonin levels: Low serotonin levels are closely linked to depression pathophysiology. Many antidepressants, such as SSRIs, target serotonin levels to relieve depressive symptoms, making this the most relevant indicator for antidepressant therapy.
Correct Answer is C
Explanation
Rationale:
A. Hematuria: Blood in the urine can occur with sickle cell disease due to renal papillary necrosis, but it is not specific to acute chest syndrome and does not require immediate emergency action in this context.
B. Sneezing: Sneezing is typically associated with upper respiratory infections or allergies and is not indicative of acute chest syndrome. It is not a critical symptom in this scenario.
C. Substernal retractions: Substernal retractions are a sign of respiratory distress and can indicate acute chest syndrome a life-threatening complication of sickle cell anemia. It involves pulmonary infiltration and can rapidly progress to hypoxia and respiratory failure, requiring urgent intervention.
D. Temperature 37.9° C (100.2° F): While fever in a sickle cell client should be closely monitored and reported, this temperature is low-grade. Alone, it does not immediately signal acute chest syndrome without accompanying respiratory symptoms.
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