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 B
Explanation
Rationale:
A. A client who has an open compound fracture of the humerus: This injury requires surgical intervention and has a moderate to high risk of complications. It is typically classified as yellow, indicating delayed care is acceptable but not minor.
B. A client who has multiple facial lacerations: These are superficial injuries that can be treated with simple wound care and suturing. The client is likely stable and ambulatory, fitting the criteria for a green tag, which denotes minor injuries requiring minimal care.
C. A client who has a puncture wound in the right lower lung: This suggests potential internal injury and respiratory compromise. Such a case is urgent and unstable, requiring immediate intervention, and would be tagged red for immediate treatment.
D. A client who has full-thickness burns over the lower extremities: Full-thickness burns covering a large area are life-threatening and resource-intensive to manage. Depending on the extent, this may fall under red or black, depending on survivability and available resources.
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"A"}}
Explanation
Rationale:
- Encourage the client to discuss their feelings: Encouraging emotional expression is a key therapeutic approach in managing bulimia nervosa. It allows the client to explore underlying psychological issues, such as anxiety and fear of weight gain, which often contribute to disordered eating behaviors.
- Provide a reduced sodium diet: Sodium restriction is not indicated in this client. In fact, the client has a slightly low sodium level (134 mEq/L), and further restriction could worsen electrolyte imbalances, which are already contributing to cardiac instability.
- Request a prescription for fluoxetine: Fluoxetine, an SSRI, is approved for the treatment of bulimia nervosa and can reduce the frequency of binge-purge episodes. It is also effective in treating coexisting anxiety or depressive symptoms, which are common in this population.
- Request a prescription for bupropion: Bupropion is contraindicated in clients with eating disorders due to its seizure risk. In clients with bulimia, frequent vomiting and low electrolytes increase this risk significantly, making bupropion an inappropriate choice.
- Monitor daily intake and output: Monitoring intake and output helps evaluate hydration status and kidney function, both of which may be compromised due to chronic purging. It also helps track nutritional rehabilitation and prevent complications from electrolyte shifts.
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