Dr. Dixon now has almost the same BMI that Arnold Schwarzenegger had when he was in top shape for his movies. The reason Arnold’s BMI could be 30.8 (i.e., obese) and still look fit is because BMI:

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BlackTom AI · Accepted Answer

The question asks why Arnold’s BMI could be 30.8 (classified as obese) yet still look fit, and it provides four options to evaluate.
Option 1: 'actually hasn’t any use what-so-ever in indicating the extent of obesity in large populations' This is misleading; BMI is widely used in epidemiology and public health to estimate obesity prevalence and trends across populations, even though it has limitations for individuals. The statement incorrectly dismisses BMI’s utility at the population level.
Option 2: 'was used by Arnold to fool everyone into thinking he was muscular' This is a conspiratorial claim with no evidence. BMI does not measure muscle vs fat and celebrities’ appearances can mislead about body composition; the option attributes intentional deception rather than a measurement limitation.
Option 3: 'is very accurate under all circumstances' This is incorrect. BMI is a simple ratio of weight to height and does not account for body composition, age, sex, or distribution of fat and lean mass. It can misclassify muscular individuals as overweight or obese.
Option 4: 'doesn’t distinguish between body weight from muscle or body weight from fat' This statement highlights a core limitation of BMI: it cannot differentiate the source of weight. A person with high muscle mass may have a high BMI despite having low body fat, explaining how someone could appear fit while BMI is elevated.
In summary, the key idea is that BMI is a useful quick screening tool at the population level but has notable limitations for individuals because it lumps together muscle, fat, and other factors into a single number. The options point out various misconceptions, and the one that correctly identifies this limitation is the statement about not distinguishing muscle from fat.

11:709:255:01 NUTRITION AND HEALTH ExamQuiz 2 - Spring 2025- Requires Respondus LockDown Browser

Dr. Dixon now has almost the same BMI that Arnold Schwarzenegger had when he was in top shape for his movies. The reason Arnold’s BMI could be 30.8 (i.e., obese) and still look fit is because BMI:

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