Q: Calculate the total kilocalories in a meal containing 10 grams of protein, 20 grams of carbohydrate, and 5 grams of fat using the following values: protein = 4 kcal/g, carbohydrate = 4 kcal/g, fat = 9 kcal/g.

$$10 \times 4 + 20 \times 4 + 5 \times 9 = 40 + 80 + 45 = 165$$ kilocalories

Question 1

Which of the following is NOT a criterion for a healthful body weight according to the study materials?

Accepted Answer

It is based solely on the lowest possible BMI.

Question 2

A 30-year-old male weighs 90 kg and is 1.75 m tall. Calculate his BMI using the formula $$BMI = \frac{weight\ (kg)}{$$height^2$$\ (m^2$)}. $$Based on the BMI classification, which category does he fall into?

Accepted Answer

Overweight

Question 3

Which of the following statements about BMI is CORRECT?

Accepted Answer

BMI does not account for differences in body composition.

Question 4

Which method of assessing body composition involves measuring the displacement of air in a sealed chamber?

Accepted Answer

Bod Pod™

Question 5

A woman has a waist circumference of 92 cm and a BMI of 28. Which of the following statements is TRUE regarding her health risk?

Accepted Answer

She is at increased risk for chronic diseases due to central adiposity.

Question 6

Calculate the total kilocalories in a meal containing 10 grams of protein, 20 grams of carbohydrate, and 5 grams of fat using the following values: protein = 4 kcal/g, carbohydrate = 4 kcal/g, fat = 9 kcal/g.

Accepted Answer

$$10 	imes 4 + 20 	imes 4 + 5 	imes 9 = 40 + 80 + 45 = 165$$ kilocalories

Question 7

Which of the following is the PRIMARY determinant of basal metabolic rate (BMR)?

Accepted Answer

Amount of lean body mass

Question 8

A person consumes 2,500 kcal per day and expends 2,000 kcal per day. According to the energy balance equation $$Energy\ Intake - Energy\ Expenditure = Energy\ Storage$$, what is the likely outcome over time?

Accepted Answer

The person will gain weight.

Question 9

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

Accepted Answer

Leptin

Question 10

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

Accepted Answer

It does not account for differences in ethnic backgrounds.

Question 11

A patient is diagnosed with metabolic syndrome. Which of the following is NOT a diagnostic criterion for metabolic syndrome?

Accepted Answer

Elevated HDL cholesterol

Question 12

Which genetic theory suggests that some people are predisposed to conserve energy and store fat efficiently, possibly as an evolutionary adaptation to food scarcity?

Accepted Answer

Thrifty gene theory

Question 13

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 kilocalories per day and exercise with resistance training.

Question 14

Which of the following is TRUE regarding the use of weight-loss supplements?

Accepted Answer

There is insufficient evidence to support their effectiveness.

Question 15

A person following a low-carbohydrate, high-fat diet is likely to experience which of the following metabolic effects?

Accepted Answer

Ketosis, which decreases appetite

Question 16

Which of the following is a component of total daily energy expenditure that accounts for the energy used in digesting, absorbing, and processing food?

Accepted Answer

Thermic effect of food (TEF)

Question 17

Which of the following is a risk associated with abdominal (central) obesity?

Accepted Answer

Increased release of pro-inflammatory adipokines

Question 18

Which of the following is a behavioral strategy recommended for achieving and maintaining a healthful weight?

Accepted Answer

Setting specific, reasonable, and measurable goals

Question 19

Which of the following statements about protein supplements is CORRECT according to the study materials?

Accepted Answer

They cause major health problems such as unhealthful changes in blood cholesterol.

Question 20

A patient is considering bariatric surgery for weight loss. According to the study materials, which of the following is TRUE?

Accepted Answer

Bariatric surgery is a last resort for morbidly obese patients due to high surgical risks.

Achieving and Maintaining a Healthful Body Weight: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards