Q: Calculate the total Calories in a snack containing 6 grams of fat, 19 grams of carbohydrates, and 2 grams of protein. Use the following caloric values: fat = $$9\ \text{Cal/g}$$, carbohydrate = $$4\ \text{Cal/g}$$, protein = $$4\ \text{Cal/g}.$$

$$6 \times 9 + 19 \times 4 + 2 \times 4 = 54 + 76 + 8 = 138$$ Calories

Q: A beer contains 14 grams of alcohol and 13 grams of carbohydrates. If alcohol provides $$7\ \text{Cal/g}$$ and carbohydrates provide $$4\ \text{Cal/g}$$, how many Calories does the beer contain?

$$14 \times 7 + 13 \times 4 = 98 + 52 = 150$$ Calories

Question 1

Which of the following best describes energy balance in the human body?

Accepted Answer

Energy intake equals energy expenditure, resulting in stable body weight.

Question 2

A person consumes 2,500 Calories per day and expends 2,000 Calories per day. What is the expected outcome over time?

Accepted Answer

They will gain weight due to a positive energy balance.

Question 3

Calculate the total Calories in a snack containing 6 grams of fat, 19 grams of carbohydrates, and 2 grams of protein. Use the following caloric values: fat = $$9\ 	ext{Cal/g}$$, carbohydrate = $$4\ 	ext{Cal/g}$$, protein = $$4\ 	ext{Cal/g}.$$

Accepted Answer

$$6 	imes 9 + 19 	imes 4 + 2 	imes 4 = 54 + 76 + 8 = 138$$ Calories

Question 4

Which of the following would most directly increase your basal metabolic rate (BMR)?

Accepted Answer

Increasing lean body mass.

Question 5

Which of the following is most associated with a higher risk of chronic disease?

Accepted Answer

High central obesity (visceral fat).

Question 6

A person weighs 80 kg and is 1.7 m tall. Calculate their BMI using the formula $$BMI = \frac{kg}{m^2$}.$$

Accepted Answer

$$BMI = \frac{80}{(1.7)^2$} = \frac{80}{2.89} \approx 27.7$$

Question 7

Which of the following techniques for measuring body composition relies on sending a low-level electrical current through the body?

Accepted Answer

Bioelectrical impedance.

Question 8

Which statement below best describes strengths or weaknesses of using waist circumference as a health indicator?

Accepted Answer

Waist circumference can be a good indicator of central body mass, and when used with BMI, can be an accurate tool to assess health risks.

Question 9

Which of the following observations indicate that weight may be partially under genetic control?

Accepted Answer

I, II, & III.

Question 10

Which hormone is released from fat cells and helps regulate hunger and satiety?

Accepted Answer

Leptin

Question 11

A beer contains 14 grams of alcohol and 13 grams of carbohydrates. If alcohol provides $$7\ 	ext{Cal/g}$$ and carbohydrates provide $$4\ 	ext{Cal/g}$$, how many Calories does the beer contain?

Accepted Answer

$$14 	imes 7 + 13 	imes 4 = 98 + 52 = 150$$ Calories

Question 12

Which of the following recommendations for weight loss would you expect NOT to be endorsed by most nutrition experts?

Accepted Answer

Avoid carbohydrates.

Question 13

Which of the following individuals would be a likely candidate for bariatric surgery?

Accepted Answer

An individual with a BMI of 42 who has struggled to lose weight.

Question 14

Which statement about treatment of eating disorders is most accurate?

Accepted Answer

Eating disorders are mental health conditions and regularly require psychological treatment.

Question 15

Which of the following is a key marker of anorexia nervosa?

Accepted Answer

Extremely restricted calorie intake.

Question 16

Which of the following descriptions is the best descriptor of Bulimia?

Accepted Answer

Binging followed by compensatory behaviors aimed at removing the food or Calories.

Question 17

Which of the following would typically represent the greatest calorie expenditure for an individual?

Accepted Answer

BMR (Basal Metabolic Rate)

Question 18

Which of the following is NOT generally considered an appropriate measure for someone looking to gain weight?

Accepted Answer

Adding saturated fats to the diet to increase Calories.

Question 19

Which of the following statements regarding environmental factors that influence weight are true?

Accepted Answer

I & III.

Energy Balance, Body Weight, Obesity, and Eating Disorders: Structured Study Notes

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