Question 1

Which component of total daily energy expenditure is the most modifiable and thus should be targeted for long-term weight management strategies?

Accepted Answer

Energy spent in physical activity

Question 2

A 35-year-old male and a 35-year-old female have the same body weight and height. Which factor is most likely to cause the male to have a higher basal metabolic rate (BMR) than the female?

Accepted Answer

Greater lean muscle mass

Question 3

Which of the following best explains why visceral adipose tissue is more strongly associated with obesity-related health risks than subcutaneous adipose tissue?

Accepted Answer

Visceral fat accumulation correlates most with metabolic abnormalities

Question 4

Which of the following scenarios is most likely to increase the thermic effect of food (TEF) after a meal?

Accepted Answer

Consuming a meal high in protein

Question 5

A patient with obesity is found to have enlarged adipocytes and increased infiltration of immune cells in adipose tissue. Which process is most likely occurring?

Accepted Answer

Adipose tissue hypertrophy

Question 6

Which of the following is a direct consequence of adipose tissue hypertrophy in obesity?

Accepted Answer

Chronic low-grade inflammation

Question 7

Which of the following best describes the role of white adipose tissue in the body?

Accepted Answer

Stores triglycerides and secretes bioactive substances (adipokines)

Question 8

A mutation in the gene encoding leptin is most likely to result in which of the following clinical presentations?

Accepted Answer

Early-onset obesity with hyperphagia

Question 9

Which of the following statements about the genetic contribution to body weight is most accurate?

Accepted Answer

Up to 70% of between-individual variation in body weight may be due to genetic factors

Question 10

Which of the following best explains why adipose tissue hyperplasia is considered 'protective' in the context of obesity?

Accepted Answer

It prevents the accumulation of ectopic fat in non-adipose tissues

Question 11

A person increases their daily physical activity from sedentary to moderately active. Which of the following is the most likely effect on their total daily energy expenditure ($$TDEE$$)?

Accepted Answer

$$TDEE$$ will increase due to higher energy spent in physical activity

Question 12

Which of the following is a real-world consequence of ectopic fat deposition in organs such as the liver and pancreas?

Accepted Answer

Increased risk of insulin resistance and type 2 diabetes

Question 13

Which of the following best describes the difference between hypertrophy and hyperplasia in adipose tissue remodeling?

Accepted Answer

Hypertrophy is an increase in adipocyte size; hyperplasia is an increase in adipocyte number

Question 14

Which of the following factors would most likely decrease a person's basal metabolic rate (BMR)?

Accepted Answer

Female gender

Question 15

A patient with obesity develops obstructive sleep apnea and osteoarthritis. These conditions are most likely due to which of the following?

Accepted Answer

Biomechanical and anatomical changes associated with increased adipose tissue

Question 16

Which of the following best describes the endocrine function of adipose tissue?

Accepted Answer

It produces and releases hormones (adipokines) that regulate physiological functions

Question 17

Which of the following is a likely outcome when hypertrophied adipocytes become saturated and cannot store additional fat?

Accepted Answer

Ectopic fat deposition occurs in organs such as the liver and heart

Question 18

Which of the following best explains why high-protein meals have a greater thermic effect of food (TEF) than high-fat meals?

Accepted Answer

Proteins require more energy for digestion, absorption, and metabolism

Question 19

Which of the following is a paracrine effect of adipokines produced by adipose tissue?

Accepted Answer

Modulation of local immune cell activity within adipose tissue

Question 20

A researcher is studying two groups: one with predominantly hypertrophic adipose tissue expansion and another with predominantly hyperplastic expansion. Which group is more likely to exhibit severe obesity-related health risks, and why?

Accepted Answer

The hypertrophic group, because enlarged adipocytes promote inflammation and metabolic dysfunction

Physiological Aspects of Obesity: Energy Expenditure, Adipose Tissue, and Genetic Factors

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