In terms of its prevalence, obesity is the leading disease in the United States. There is no universally accepted standard for obesity, defined generally as an excess of adipose tissue, but a common rule of thumb classifies people who are more than 20 percent above their desirable weight as obese. By this measure, 30 percent of men and 40 percent of women in America are obese. Although studies show that few of these people will ever recover fully and permanently from the disease, the incidence of obesity in future generations can be reduced. Adipose tissue is a triumph of evolution. Fat yields 9 calories per gram, while protein, like carbohydrates, yields only 4 calories per gram. Fat also contains much less water than protein does. Therefore, fat is much more efficient for storing excess energy than is protein. Primitive humans, with uncertain food sources, had a great need for excess fat, and their bodies adapted accordingly. Modern humans, with a predictable food supply and a sedentary life-style, are burdened by this vestige of evolution. Although they need some adipose tissue to provide insulation and protect internal organs from injury, modern humans need much less than their primitive ancestors did. In an attempt to shed excess adipose tissue, many Americans turn from one fad diet to another, and a billion-dollar diet industry has grown up to aid them in their efforts. Nevertheless, the five-year cure rate for obesity is very low. In fact, by comparison, cancer is more curable. The reasons for this are psychological as well as physiological. From a physical standpoint, losing a pound or two a week for a few weeks is not difficult because most of the loss is in the form of protein and water, and protein carries four times its weight in water. However, protein is also the only source of nitrogen in the body, and when the body loses too much nitrogen, it acts to correct the imbalance by excreting less nitrogen than it takes in. Hence beyond a certain point additional weight loss must come from adipose tissue, which, because of its compactness, takes longer to shed. The body’s tendency to return to nitrogen balance and to protect its energy reserves can be so strong that dieters may stop losing or even gain weight while still expending more calories than they ingest. As a result, they frequently suffer not only from hunger, weakness, and a decreased metabolic rate, but also from depression and inactivity, all of which lead them to abandon their diets. Probably because of numerous psychological factors as well as physiological factors such as increased lipid synthesis, they then tend to regain weight rapidly. While vigorous attempts to reduce obesity in America should be aimed at all affected, the most successful efforts are likely to be those directed toward children. If the advertising and food industries stop trying to sell high-calorie, nutritionally deficient food to children, and if parents understand that the feeding patterns they impose on their children can determine the adolescent and adult eating habits those children will develop, the future generation may not be as fat as ours is. 1 A 1. The primary purpose of the passage is to (A) explain why prevention is the best defense against obesity (B) criticize the food and advertising industries for encouraging bad eating habits and thus contributing to the prevalence of obesity in the United States (C) recruit volunteers for a national crusade against obesity (D) discourage dependency on fad diets as a method for losing weight (E) argue that obesity is a genetic disorder that is virtually impossible to cure 2 C 2. By the rule of thumb mentioned in the passage, which of the following would be considered obese? I. A 25-pound toddler whose desirable weight is 20 pounds II. A large-framed woman weighting 140 pounds whose desirable weight for her height is between 112 and 120 pounds III. A 175-pound man who was 25 pounds over his desirable weight and then gained an additional 10 pounds (A) II only (B) III only (C) I and III only (D) II and III only (E) I, II, and III 3 E 3. Which of the following, if true, best helps to explain why a greater percentage of women than men in the United States are considered obese by the measure mentioned in the passage? (A) The measure is the same for both men and women, but it is normal for women to carry a greater percentage of fat at any weight. (B) The average man is heavier than the average woman; therefore, men generally need to gain more weight than women do before they are considered obese. (C) There are more women in the United States than there are men. (D) Because of the influence of the fashion and film industries, many American women consider themselves obese even though they are not. (E) Women burn off fewer calories than men because their bodies contain a lower percentage of muscle, and muscle burns calories at a faster rate than fat. 4 C 4. According to the passage, modern humans do not need to store as much fat as primitive humans because (A) modern humans work fewer hours than their primitive forebears did (B) the diet of modern humans is higher in protein than was the diet of primitive humans (C) modern humans eat more regularly than primitive humans did (D) primitive humans had to insulate their bodies from the cold whereas modern humans do not (E) the food consumed by modern humans has a higher nutritional value than that consumed by primitive humans 5 D 5. All of the following statements about protein are supported by the passage EXCEPT: (A) Gram for gram, foods that are high in protein are lower in calories than foods that are high in fat. (B) The body gets all of its nitrogen from protein. (C) Nine grams of protein yield the same number of calories as 4 grams of fat. (D) Protein is not converted into adipose tissue. (E) Five grams of protein carry 20 grams of water. 6 B 6. The author mentions that “cancer is more curable” (line 27) than obesity in order to (A) underscore the point that obesity is the leading disease in the United States (B) support the conclusion that it is easier to keep people from becoming obese than it is to cure them once they are (C) discourage obese people from trying to lose weight (D) demonstrate by analogy that more money should be spent on obesity research (E) refute the contention that the causes of obesity are purely physiological 7 E 7. The passage contains information that answers which of the following questions? (A) What percent of the total population in the United States is obese? (B) What psychological factors cause people to gain weight rapidly once they go off a diet? (C) What function does nitrogen perform in the body? (D) How is an individual’s desirable eight determined? (E) If a snack bar contains 130 calories and 4 grams of fat, what percentage of the calories in the bar come from fat? 8 B 8. The author mentions all of the following as factors that cause obese people to abandon diets EXCEPT (A) depression (B) increased lipid synthesis (C) a negative nitrogen balance (D) enervation (E) a lower metabolic rate 9 D 9. Which of the following, if it could be demonstrated, would most strengthen the claim that the feeding patterns of children “can determine the adolescent and adult eating habits those children will develop” (lines 55-56)? (A) The incidence of obesity in children whose parents are both obese is 80 percent. (B) Thirty-six percent of infants who are obese during their first half year of life are also overweight between the ages of 20 and 36. (C) Excessive weight gain during the teen years can set the stage for a lifetime battle against the bulge. (D) Up to 80 percent of youngsters who are fat as 5-year-olds end up fat as adults. (E) The average child witnesses more than 15,000 commercials a year for snacks,candy, and soft drinks laden with fat, sugar, and calories.

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In terms of its prevalence, obesity is the leading disease in the Unit

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pratishtha1210

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hi experts,

I am having difficulty in 2 questions. Can you please shed some light on it

3. Which of the following, if true, best helps to explain why a greater percentage of women than men in the United States are considered obese by the measure mentioned in the passage?

(A) The measure is the same for both men and women, but it is normal for women to carry a greater percentage of fat at any weight.
(B) The average man is heavier than the average woman; therefore, men generally need to gain more weight than women do before they are considered obese.
(C) There are more women in the United States than there are men.
(D) Because of the influence of the fashion and film industries, many American women consider themselves obese even though they are not. ( I chose this option because people wants to attain DESIRABLE weight and women are considering that lower so they are more obese)
(E) Women burn off fewer calories than men because their bodies contain a lower percentage of muscle, and muscle burns calories at
a faster rate than fat.

5. All of the following statements about protein are supported by the passage EXCEPT:

(A) Gram for gram, foods that are high in protein are lower in calories than foods that are high in fat.
(B) The body gets all of its nitrogen from protein.
(C) Nine grams of protein yield the same number of calories as 4 grams of fat.
(D) Protein is not converted into adipose tissue.
(E) Five grams of protein carry 20 grams of water.
I am confused between D and E. I couldn't eliminate any 1 of them on supporting grounds from passage.

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pratishtha1210

3. Which of the following, if true, best helps to explain why a greater percentage of women than men in the United States are considered obese by the measure mentioned in the passage?

(E) Women burn off fewer calories than men because their bodies contain a lower percentage of muscle, and muscle burns calories at
a faster rate than fat.

Well, if this is true (that women burn off fewer calories than men), this would obviously explained more women than men are obese.

Quote:

5. All of the following statements about protein are supported by the passage EXCEPT:

(D) Protein is not converted into adipose tissue.
(E) Five grams of protein carry 20 grams of water.

I am confused between D and E. I couldn't eliminate any 1 of them on supporting grounds from passage.[/quote]
Notice that the argument says "protein carries four times its weight in water". So, 5 grams protein will carry 20 grams of water. Hence, E is supported by the passage.

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In question 1, why D is wrong. IMO, passage focus more on fad diet and consequences of it!

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GMATNinjaTwo

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Hello Experts,

Can anyone explain q7?

7. The passage contains information that answers which of the following questions?
(A) What percent of the total population in the United States is obese?
(B) What psychological factors cause people to gain weight rapidly once they go off a diet?
(C) What function does nitrogen perform in the body?
(D) How is an individual’s desirable weight determined?
(E) If a snack bar contains 130 calories and 4 grams of fat, what percentage of the calories in the bar come from fat?

Option D is also not mentioned in the passage. Rather individuals can find out if they are obese by checking if they are 20% more than desirable weight. The passage nowhere mentions how to calculate/determine desirable weight. Desirable weight is subjective and depends on each person

Please correct me if I am wrong anywhere. Thanks

The answer to #7 is (E). We are told that "Fat yields 9 calories per gram," so a snack bar with 4 grams of fat would have 36 calories from fat. Thus, we can calculate the percentage.

ShashankDave

Please explain Q3.

*Note: Please try your best to ask specific questions. Let us know what you have tried and what you think about the question and answer choices. This will allow us to give better advice in a more timely fashion. General questions such as, "Explain this question!" are not as useful and often go unanswered.

Quote:

3. Which of the following, if true, best helps to explain why a greater percentage of women than men in the United States are considered obese by the measure mentioned in the passage?
(A) The measure is the same for both men and women, but it is normal for women to carry a greater percentage of fat at any weight.
(B) The average man is heavier than the average woman; therefore, men generally need to gain more weight than women do before they are considered obese.
(C) There are more women in the United States than there are men.
(D) Because of the influence of the fashion and film industries, many American women consider themselves obese even though they are not.
(E) Women burn off fewer calories than men because their bodies contain a lower percentage of muscle, and muscle burns calories at a faster rate than fat.

Refer to the following portion: "a common rule of thumb classifies people who are more than 20 percent above their desirable weight as obese. By this measure, 30 percent of men and 40 percent of women in America are obese." This measure of obesity is based on people's DESIRABLE weight. Somebody might weigh 70kg and be perfectly healthy, but if they WANT to be really skinny, their DESIRABLE weight might be much less (i.e. 55kg). That person would be considered obese by the measure described in the passage.

Choice (E) explains why women have a harder time BURNING calories, but that only helps if women and men consume the same amount of calories on average.

If women are more likely to set such low desirable weights for themselves, that might make it seem like women are more obese by that measure. Choice (D) seems more in line with the information in the passage. Perhaps someone can confirm the OA from the source?

In general, questions from the GMAC paper tests seem to be a bit unreliable and not as valuable as newer questions.

yes totally same as what I think for Q3. I feel this is a weird question, and I don't know why OA is E, since "muscle" has nothing to do with "desirable weight". I think D should be the answer, cuz only D is talking about "desirable weight". Can anybody offer the OE?

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Why option ii of question 2 is not correct. What if woman desirable weight is 113 and she weights 140. So she is obsess. Expert please explain.

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Question 3 -
3. Which of the following, if true, best helps to explain why a greater percentage of women than men in the United States are considered obese by the measure mentioned in the passage?

(A) The measure is the same for both men and women, but it is normal for women to carry a greater percentage of fat at any weight. - If it's normal for them, then they should not be more obese than men.
(B) The average man is heavier than the average woman; therefore, men generally need to gain more weight than women do before they are considered obese. - The author in the passage uses "DESIRABLE WEIGHT," and the option says "HEAVIER." We don't know that "HEAVIER" is the "DESIRABLE WEIGHT" by men. What if the "HEAVIER" is more than the desirable weight? Then, more men should be considered obese. But if the "HEAVIER" is less than the "DESIRABLE WEIGHT," then it's ok. So we don't know. So this doesn't help.
(C) There are more women in the United States than there are men. - We don't know, and it doesn't matter to answer this question.
(D) Because of the influence of the fashion and film industries, many American women consider themselves obese even though they are not. - Out of scope of passage.
(E) Women burn off fewer calories than men because their bodies contain a lower percentage of muscle, and muscle burns calories faster than fat. (They burn fewer calories than men, which explains why Women gain more weight; that's why a higher percentage of women are obese.

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Sajjad1994 Could you please post OA for Q9?

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bv8562

Sajjad1994 Could you please post OA for Q9?

Explanation

9. Which of the following, if it could be demonstrated, would most strengthen the claim that the feeding patterns of children “can determine the adolescent and adult eating habits those children will develop” (lines 55-56)?

Difficulty Level: Medium-Hard

Explanation

The statement that "the feeding patterns of children can determine the adolescent and adult eating habits those children will develop" suggests a strong connection between early eating habits and long-term eating behaviors. To strengthen this claim, we need to find evidence that demonstrates a direct link between childhood eating patterns and later eating habits in adolescents and adults. Let's evaluate each option:

(A) This statement discusses the relationship between parental obesity and childhood obesity but does not directly address the impact of feeding patterns on later eating habits in children.

(B) This option presents evidence of a link between early infant obesity and later overweight status. However, it doesn't directly address the influence of feeding patterns on eating habits.

(C) This statement suggests a connection between teenage weight gain and long-term struggles with weight. While it hints at the importance of adolescent years, it doesn't specifically address the impact of early childhood feeding patterns.

(D) This option provides strong evidence that early childhood weight status is strongly correlated with adulthood weight status, supporting the idea that feeding patterns in early childhood can have long-term effects on eating habits. This is a strong choice.

(E) While this statement highlights the influence of advertising on children's food choices, it doesn't directly address the impact of feeding patterns set by parents. It focuses on external factors rather than early childhood feeding practices.

Option (D) provides the most direct and compelling evidence to support the claim that childhood obesity is linked to later eating habits. It indicates that children who are overweight as 5-year-olds are likely to remain overweight as adults, emphasizing the importance of early childhood factors, including feeding patterns.

Answer: D

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Can anyone pls explain why Qn 6 is not A? the fact about prevention being much better than cure comes much later in the passage. So why exactly is the answer not A? Didn't he write that portion to highlight the fact that obesity is in fact a leading disease?

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Riya1475828

Posted here:

https://gmatclub.com/forum/in-terms-of- ... l#p2586271

Thank you!

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