Q: A person consumes 60 grams of fat, 120 grams of carbohydrate, and 80 grams of protein in a day. What is their total energy intake in kcal?

$$60 \times 9 + 120 \times 4 + 80 \times 4 = 1,220$$ kcal

Q: Which equation is used to calculate BMI in metric units?

$$\text{BMI} = \frac{\text{weight (kg)}}{\text{height (m)}^2}$$

Q: A 150 lb person walks at a moderate pace (energy cost 0.053 kcal/kg/min) for 30 minutes. How many kcal does this activity expend? (1 lb = 0.454 kg)

$$150 \times 0.454 \times 0.053 \times 30 = 108$$ kcal

Question 1

A 5'8" (68 inches) tall individual weighs 210 pounds. According to the BMI chart, which category does this person fall into?

Accepted Answer

Obesity

Question 2

Which of the following is a limitation of using BMI as a health assessment tool?

Accepted Answer

BMI does not account for differences in body composition.

Question 3

A person consumes 60 grams of fat, 120 grams of carbohydrate, and 80 grams of protein in a day. What is their total energy intake in kcal?

Accepted Answer

$$60 	imes 9 + 120 	imes 4 + 80 	imes 4 = 1,220$$ kcal

Question 4

Which method of body composition assessment is considered highly accurate but requires the subject to be comfortable in water?

Accepted Answer

Underwater weighing

Question 5

Which fat distribution pattern is associated with a higher risk of chronic diseases?

Accepted Answer

Apple-shaped fat patterning

Question 6

A man has a waist-to-hip ratio of 0.95 and a waist circumference of 43 inches. What does this indicate about his health risk?

Accepted Answer

He is at increased risk for chronic diseases due to abdominal obesity.

Question 7

Which component accounts for the largest proportion of total daily energy expenditure?

Accepted Answer

Basal metabolic rate (BMR)

Question 8

Which equation is used to calculate BMI in metric units?

Accepted Answer

$$	ext{BMI} = \frac{	ext{weight (kg)}}{	ext{height (m)}^2}$$

Question 9

Which hormone is produced by adipose tissue and acts to reduce food intake?

Accepted Answer

Leptin

Question 10

According to the energy balance equation, what happens if energy intake exceeds energy expenditure?

Accepted Answer

Weight gain occurs

Question 11

Which factor is most likely to increase basal metabolic rate (BMR)?

Accepted Answer

Elevated levels of thyroid hormone

Question 12

A person with morbid obesity is considering bariatric surgery. Which of the following procedures involves creating a small stomach pouch and bypassing part of the small intestine?

Accepted Answer

Gastric bypass surgery

Question 13

Which of the following is NOT a component of metabolic syndrome?

Accepted Answer

Elevated HDL cholesterol

Question 14

Which dietary approach is most likely to cause ketosis and reduce appetite?

Accepted Answer

Low-carbohydrate, high fat and protein diet

Question 15

Which of the following statements about protein supplements is correct?

Accepted Answer

They cause major health problems such as mood disturbances.

Question 16

A 150 lb person walks at a moderate pace (energy cost 0.053 kcal/kg/min) for 30 minutes. How many kcal does this activity expend? (1 lb = 0.454 kg)

Accepted Answer

$$150 	imes 0.454 	imes 0.053 	imes 30 = 108$$ kcal

Question 17

Which of the following is a physiologic factor that increases satiety?

Accepted Answer

Increase in blood glucose levels after a meal

Question 18

Which of the following is a plausible reason for an individual being underweight?

Accepted Answer

Heavy smoking

Question 19

Which gene is associated with increased risk of obesity due to excessive food intake and reduced satiety?

Accepted Answer

FTO gene

Question 20

Which of the following is a recommended strategy for safe and effective weight gain in underweight individuals?

Accepted Answer

Eat 500 to 1,000 extra kcal/day and exercise regularly with resistance training.

Achieving and Maintaining a Healthful Body Weight

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