Nutrition Quiz 9 – Weight Management

An estimated ______% of the adult population(2010) has a BMI greater than 25 (overweight and obese)
-68%
-34%
-20%
-10%
68%

The major function of lipoprotein lipase is to
-removes triglycerides from blood for storage.
-release triglycerides from storage within adipocytes
-assist bile in the digestion of dietary lipids.
-trigger adipokine release from adipose tissue.
removes triglycerides from blood for storage.

What is the rationale for the fat cell theory of obesity?
-Fat cell number increases most readily in late childhood and early puberty
-Weight gain from overeating in adults takes place primarily by increasing the number of fat cells
-Fat cell number increases dramatically after puberty
-Fat cell number in an adult can decrease only by fasting
Fat cell number increases most readily in late childhood and early puberty

Hyperplastic obesity is related to a(n)
-increase in fat absorption.
-decrease in ketone formation.
-increase in the size of fat cells.
-increase in the number of fat cells
increase in the number of fat cells

Which of the following defines the body’s set point?
-Point above which the body tends to lose weight and below which it tends to gain weight
-Point at which a person’s weight plateaus before dropping again quickly
-Minimum weight of a person
-Maximum weight of a person
Point above which the body tends to lose weight and below which it tends to gain weight

Which of the following is a feature of ghrelin?
-It is a metabolic antagonist of leptin
-The blood level in the fasting state correlates directly with body weight
-It stimulates appetite and energy storage
-It is released in high amounts from adipocytes during periods of excess energy intake
It stimulates appetite and energy storage

Which of the following is a characteristic of the risk for obesity?
-It is higher in fraternal than identical twins
-It is associated more with environment than genetics
-It is usually higher in people with more brown adipose tissue
-It is higher in people who have obese friends, siblings, or a spouse
It is higher in people who have obese friends, siblings, or a spouse

Which of the following is NOT a feature of fat cell metabolism in men and women?
-Fat storage in men develops primarily across the abdomen whereas in women it is found chiefly around the hips and thighs
-Lipoprotein lipase enzyme activity is regulated by a gene that responds to weight loss
-The rate of fat breakdown is higher in women than in men
-The release of lower-body fat is more active in men than in women
The rate of fat breakdown is higher in women than in men

Which of the following is the best evidence that environment must play a role in obesity?
-The recognition that identical twins reared apart have body weights similar to their biological parents
-The development of precise body composition methodologies that define adipose storage sites based on gender
-The rate of obesity has been rising while the gene pool has remained relatively constant
-The discovery of uncoupling proteins that explain the variations in energy metabolism among lean and overweight people
The rate of obesity has been rising while the gene pool has remained relatively constant

Which of the following is NOT a characteristic of food portion sizes?
-They have increased in general and this change parallels the increasing prevalence of obesity
-They are both high in fat and large in size at restaurants
-They have increased most notably at fast-food restaurants compared with conventional eating establishments
-Reducing portion size has a bigger impact than reducing energy density as a means of lowering total energy intake
Reducing portion size has a bigger impact than reducing energy density as a means of lowering total energy intake

Besides portion size and overeating what is a very important environmental factor which has led to an increase in overweight and obese individuals
-eating too much processed foods
-physical inactivity
-drinking too much liquids
-eating too much carbohydrates
physical inactivity

Compared with non-obese people, obese people have a lower
-thermic effect of food
-physical activity level
-higher thyroid hormone level
-metabolic response to exercise
physical activity level

To help prevent body fat gain, the DRI suggests daily, moderately intense, physical activities totaling
-20 minutes
-60 minutes
-3 hours
-1 1/2 hours
60 minutes

What is the best approach to weight loss?
-Reduce daily energy intake and increase energy expenditure
-Avoid foods containing carbohydrates
-Eliminate all fats from the diet and decrease water intake
-Greatly increase protein intake to prevent body protein loss
Reduce daily energy intake and increase energy expenditure

The classification of underweight is achieved when the BMI first drops below
-18.5.
-14.
-20.
-22.5.
18.5

Which of the following would NOT be part of a successful program of weight gain in an underweight individual?
-Drink energy-dense beverages
-Engage in regular physical exercise
-Eat energy-dense foods
-Eat a large number of small meals
Eat a large number of small meals

Which of the following is generally NOT a strategy associated with successful weight loss efforts?
-Limiting television viewing time to <10 hrs. /week -Weighing yourself infrequently -Eating breakfast -Consulting a support person or group
Weighing yourself infrequently

What are the observed effects of sleep deprivation on leptin and ghrelin?
-Leptin decreases while ghrelin increases
-Leptin and ghrelin both decrease
-Leptin increases while ghrelin decreases
-Leptin and ghrelin both increase
Leptin decreases while ghrelin increases

Which of the following is NOT a feature of the effect of food accessibility on food intake?
-People underestimate the amount of a snack eaten when it is a short distance away
-People eat more of a snack when it is on their desk than when situated only 6 feet away
-People at home would rather travel to the store to obtain new food than eat the leftovers
-Keeping food out of sight is an effective way to eat less
People at home would rather travel to the store to obtain new food than eat the leftovers

Which of the following is a feature of gastric surgery for the treatment of clinically severe obesity?
-It is always an irreversible medical procedure
-Weight regain almost never occurs
-It is less effective than traditional liposuction
-It diminishes the amount of food that can be eaten without GI distress
It diminishes the amount of food that can be eaten without GI distress

The prescription drug phentermine acts by regulating the utilization of
-adipocyte lipoprotein lipase
-norepinephrine
-blood insulin
-hormone-sensitive lipase
norepinephrine

Approximately how many kcalories are expended per kilogram body weight when walking a mile at a moderate pace?
-0.1
-2.5
-1
-5
1

If a person weighs 176 lbs. and walks 3 miles per day for 7 days, how many kcalories would they spend by end of week?
-1680
-240
-2000
-560
1680

Approximately what percentage of overweight people who intentionally lose weight are able to maintain at least a 10% weight loss for at least one year?
-5
-85
-50
-17
17

To qualify for successful weight-loss maintenance, a 200-pound person who intentionally lost 20 lbs must hold the loss for at least
-2 years.
-6 months.
-1 year.
-3 months.
1 year.

Which of the following is a characteristic of most fad diets?
-They limit food choices, thereby reducing energy intake
-They are balanced and therefore do not require a dietary supplement
-They produce long-lasting results just like healthy diets
-Their success depends on the ratios of macronutrients more so than the total energy value
They limit food choices, thereby reducing energy intake

All of the following are characteristics of the results of weight-loss surgery EXCEPT
-medical supervision in the post-surgery period is required only for the first 6-9 months
-deficiencies of vitamins and minerals are common in the long term.
-dramatic improvements are seen in blood lipids, diabetes, and blood pressure.
-hunger is suppressed.
medical supervision in the post-surgery period is required only for the first 6-9 months

What is the principal reason that the FDA has banned the sale of products containing ephedrine?
-The products were found to be ineffective for weight loss
-The products were implicated in several cases of heart attacks and seizures
-The products were found to contain contaminants that were believed to be responsible for inducing liver failure
-The costs are prohibitive
The products were implicated in several cases of heart attacks and seizures

Kirima is a Native Eskimo who lives in one of the coldest regions in the world. What type of adipose tissue is most effective at helping her to maintain warm body temperatures during the coldest parts of the year?
-White
-Yellow
-Brown
-Black
Brown

Which of the following is not a risk factor assoicated with obese and overweight individuals
-impaired glucose tolerance
-sleep apnea
-infertility
-hypertension
infertility

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