Nutrition 100 Murphy Final Exam Questions With Complete Solutions

positive energy balance correct answer: energy intake is greater than energy expended, generally resulting in weight gain negative energy balance correct answer: energy intake is less than energy expended, resulting in weight loss bmi classifications correct answer: less than 18.5 = underweight 18.5 to 24.9 = healthy weight 25 to 29.9 = overweight 30 to 39.9 = obese greater than 40 = severely obese bmi formula correct answer: body weight in kilograms / height^2 in meters bmi correct answer: body mass index; a useful measure of weight-for-height and an estimate of body fat convert pounds to kilograms correct answer: 1 kg = 2.2 lbs convert feet/inches to meters correct answer: 1 meter = 3.28 feet body fat percentages correct answer: healthy women = 16% - 30% men = 11% - 20% obese women = over 37% men = over 24% methods to measure body fat correct answer: underwater weighing- very accurate; fat is less dense than lean tissue; fat floats AIR displacement- determines body volume and air displaced in sealed chamber; determines % body fat and approximated metabolic rate