Question 1

Obesity resulting from an increase in the size of fat cells is termed

Accepted Answer

A)  hyperplastic obesity.
B)  hypertrophic obesity.
C)  idiopenthic leptinemia.
D)  anaplastic hypometabolism.E) A) and D)
F) A) and C)

Question 2

What is the significance of the uncoupling proteins in adipose tissue?

Accepted Answer

A)  Increased loss of body heat
B)  Reduction of fat cell number
C)  Lowering of basal metabolism
D)  Proliferation of fat cell numberE) B) and C)
F) A) and C)

Question 3

All of the following are characteristics of the results of weight-loss surgery except

Accepted Answer

A)  hunger is suppressed.
B)  deficiencies of vitamins and minerals are common in the long term.
C)  dramatic improvements are seen in blood lipids, diabetes, and blood pressure.
D)  medical supervision in the postsurgery period is required only for the first 6-9 months.E) A) and B)
F) None of the above

Question 4

Compared with non-obese people, obese people have a lower

Accepted Answer

A)  basal metabolic rate.
B)  thermic effect of food. 
C)   physical activity level.
D)  metabolic response to exercise.E) A) and D)
F) None of the above

Question 5

To help maximize the long-term success of a person's weight-loss program, which of the following personal attitudes should be encouraged in the individual?

Accepted Answer

A)  Strongly believing that weight can be lost
B)  Viewing the body realistically as being fat rather than thin
C)  Refraining from expressing overconfidence in ability to lose weight
D)  Accepting that little or no exercise is a part of the lifestyle of most overweight peopleE) A) and B)
F) A) and C)

Question 6

As a new assistant in a weight-loss research laboratory, you are given a tour of the mouse laboratory.Why is the leptin-deficient mouse much larger than its leptin-sufficient counterpart?

Accepted Answer

A)  Leptin deficiency causes lower levels of ghrelin
B)  Leptin deficiency enhances appetite and decreases energy expenditure
C)  Leptin deficiency causes psychological depression, which leads to increased food intake
D)  Leptin deficiency reduces the desire to do physical activity, resulting in more excess energy available for fat storageE) A) and D)
F) B) and D)

Question 7

Television watching contributes to obesity for all of the following reasons except

Accepted Answer

A)  it promotes inactivity.
B)  it promotes between-meal snacking.
C)  it replaces time that could be spent eating.
D)  it gives high exposure to energy-dense foods featured in the commercial advertisements.E) B) and C)
F) None of the above

Question 8

What is a safe rate of weight loss on a long-term basis for most overweight people?

Accepted Answer

A)  0.5-2 lbs/week
B)  3-4 lbs/week
C)  5% body weight/month
D)  10% body weight/monthE) A) and D)
F) B) and C)

Question 9

In the quest for achieving desirable body weight, adults have control over all of the following except

Accepted Answer

A)  diet.
B)  behavior.
C)  physical activity.
D)  adipocyte number.E) None of the above
F) All of the above

Question 10

What serves as the body's chief storage site for lipids?

Accepted Answer

A)  Yellow fat
B)  Brown adipose tissue
C)  White adipose tissue
D)  High-density lipoproteinsE) B) and C)
F) A) and D)

Question 11

What is the principal reason that the FDA has banned the sale of products containing ephedrine?

Accepted Answer

A)  The costs are prohibitive
B)  The products were found to be ineffective for weight loss
C)  The products were implicated in several cases of heart attacks and seizures
D)  The products were found to contain contaminants that were believed to be responsible for inducing liver failureE) B) and D)
F) A) and B)

Question 12

The drug sibutramine reduces appetite by affecting

Accepted Answer

A)  ketone production.
B)  insulin to glucagon ratio.
C)  leptin sensitivity of fat cells.
D)  serotonin utilization in the brain.E) B) and C)
F) A) and D)

Question 13

An important aid in any weight-loss diet program is to

Accepted Answer

A)  decrease water intake.
B)  increase physical activity.
C)  speed up thyroid activity with metabolic enhancers.
D)  develop ketosis by keeping carbohydrate intake as low as possible.E) None of the above
F) B) and C)

Question 14

Because obesity apparently has many causes, even in an individual, the best approach seems to be

Accepted Answer

A)  fasting.
B)  medicines.
C)  prevention.
D)  genetic counseling.E) A) and C)
F) C) and D)

Question 15

Which of the following is a feature of ghrelin?

Accepted Answer

A)  It is a metabolic antagonist of leptin
B)  It stimulates appetite and energy storage
C)  The blood level in the fasting state correlates directly with body weight
D)  It is released in high amounts from adipocytes during periods of excess energy intakeE) A) and D)
F) All of the above

Question 16

Which of the following is known to cause a reduction in fat cell number in mice?

Accepted Answer

A)  Injection of leptin
B)  Supplements of ghrelin
C)  Long-term resistance exercise
D)  Consumption of high-protein dietsE) None of the above
F) B) and D)

Question 17

Among the following, which is the most important strategy for an underweight person who wishes to achieve a healthy body weight?

Accepted Answer

A)  A high-kcalorie diet plus regular exercise
B)  A high-kcalorie diet and minimal exercise
C)  A high-protein diet plus regular exercise
D)  Total elimination of alcohol and exerciseE) A) and B)
F) B) and D)

Question 18

Tom was overweight when he was 13.During puberty he continued to gain weight steadily until at age 23, when he decided to lose weight.Tom successfully lost 50 pounds.Which of the following most likely happened to Tom's fat cells?

Accepted Answer

A)  They shrank in size but did not decrease in number
B)  They melted away when he burned all the excess fat
C)  They decreased in number but did not decrease in size
D)  They changed very little since fat cells shrink only with a weight loss greater than 100 poundsE) A) and B)
F) C) and D)

Question 19

Which of the following would not be part of a successful program of weight gain in an underweight individual?

Accepted Answer

A)  Eat energy-dense foods
B)  Drink energy-dense beverages
C)  Eat a large number of small meals
D)  Engage in regular physical exerciseE) A) and B)
F) None of the above

Question 20

Which of the following describes a relationship between leptin and energy balance?

Accepted Answer

A)  Fat cell sensitivity to leptin is higher in obese people
B)  A deficiency of leptin is characteristic of all obese people
C)  Blood levels of leptin usually correlate directly with body fat
D)  Major functions of leptin include an increase in hunger and a decrease in metabolic rateE) A) and B)
F) None of the above

Exam 9: Weight Management: Overweight, Obesity, and Underweight

Obesity resulting from an increase in the size of fat cells is termed

Correct AnswerverifiedShow Answer

An important aid in any weight-loss diet program is to

Correct AnswerverifiedShow Answer

Which of the following describes a relationship between leptin and energy balance?

Correct AnswerverifiedShow Answer

Television watching contributes to obesity for all of the following reasons except

Correct AnswerverifiedShow Answer

Which of the following would not be part of a successful program of weight gain in an underweight individual?

Correct AnswerverifiedShow Answer

What is a safe rate of weight loss on a long-term basis for most overweight people?

Correct AnswerverifiedShow Answer

What is the significance of the uncoupling proteins in adipose tissue?

Correct AnswerverifiedShow Answer

Among the following, which is the most important strategy for an underweight person who wishes to achieve a healthy body weight?

Correct AnswerverifiedShow Answer

Compared with non-obese people, obese people have a lower

Correct AnswerverifiedShow Answer

Because obesity apparently has many causes, even in an individual, the best approach seems to be

Correct AnswerverifiedShow Answer

Tom was overweight when he was 13.During puberty he continued to gain weight steadily until at age 23, when he decided to lose weight.Tom successfully lost 50 pounds.Which of the following most likely happened to Tom's fat cells?

Correct AnswerverifiedShow Answer

In the quest for achieving desirable body weight, adults have control over all of the following except

Correct AnswerverifiedShow Answer

All of the following are characteristics of the results of weight-loss surgery except

Correct AnswerverifiedShow Answer

What serves as the body's chief storage site for lipids?

Correct AnswerverifiedShow Answer

Which of the following is a feature of ghrelin?

Correct AnswerverifiedShow Answer

As a new assistant in a weight-loss research laboratory, you are given a tour of the mouse laboratory.Why is the leptin-deficient mouse much larger than its leptin-sufficient counterpart?

Correct AnswerverifiedShow Answer

The drug sibutramine reduces appetite by affecting

Correct AnswerverifiedShow Answer

Which of the following is known to cause a reduction in fat cell number in mice?

Correct AnswerverifiedShow Answer

What is the principal reason that the FDA has banned the sale of products containing ephedrine?

Correct AnswerverifiedShow Answer

To help maximize the long-term success of a person's weight-loss program, which of the following personal attitudes should be encouraged in the individual?

Correct AnswerverifiedShow Answer

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