NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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How is the Ideal Body Weight (IBW) for females calculated?

  1. 50 + 2.3 (inches over 5 ft)

  2. 45.5 + 2.3 (inches over 5 ft)

  3. 45.5 * 2.3 (inches over 5 ft)

  4. 50 - 2.3 (inches over 5 ft)

The correct answer is: 45.5 + 2.3 (inches over 5 ft)

The Ideal Body Weight (IBW) for females is calculated using the formula: 45.5 kg + 2.3 kg for each inch over 5 feet in height. This formula takes into account the average weight for a female of 5 feet tall (45.5 kg) and adds 2.3 kg for each inch above 5 feet to adjust for the increase in height. Therefore, the correct answer is B.