Nutrition 101 - Chapter 9, 10, 13 - Self Tests

True or false: Everyone with a BMI in the overweight or obese range is at risk for weight-related health problems.

False

True or false: A fit person will have a higher percentage of lean tissue than an unfit person of the same body weight. a. True b. False

True

It is possible for someone who is 50 lbs overweight to be in energy balance. a. True b. False

a. true

Below what temperature should food be refrigerated to reduce bacterial growth? a. A b. B c. C d. D

b. B

Which statement is true of the energy system indicated by the arrow? (pg 363) a. It provides energy for the first 10 to 15 seconds of activity. b. It can use glucose, amino acids, and fatty acids to produce ATP. c. It produces ATP rapidly but inefficiently. d. It can only use glucose to generate ATP.

b. It can use glucose, amino acids, and fatty acids to produce ATP. c. It produces ATP rapidly but

Which statement about the type of body fat labeled by the letter A is false? a. This type of fat storage increases the risk of heart disease, diabetes, and high blood pressure. b. This type of fat storage can be reduced by eating grapefruit. c. This type of fat storage increase after menopause. d. This type of fat storage is more common in men than women. e. This type of fat storage can be reduced through exercise.

b. This type of fat storage can be reduced by eating grapefruit.

Which of the following is not a characteristic of anorexia nervosa ? a. a fear of gaining weight b. a normal body weight c. a preoccupation with food d. an abnormal menstrual cycle e. a distorted body image

b. a normal body weight

Pathogenic bacteria are killed by _____________. a. freezing b. cooking c. refrigeration d. marinating

b. cooking

8. The female athlete triad consists of _______________. a. iron deficiency anemia, disordered eating, and excess menstrual blood loss b. disordered eating, amenorrhea, and osteoporosis c. dieting, excessive exercise, and folate deficiency d. iron, calcium, and zinc deficiency

b. disordered eating, amenorrhea, and osteoporosis

15. How much and how often should athletes drink during exercise? a. as much as they can b. enough to prevent weight loss c. a cup every hour d. nothing unless exercise lasts more than 60 minutes

b. enough to prevent weight loss

This insignia means the food ___________. a. is not safe to eat b. has been irradiated c. is radioactive d. can safely be stored without refrigeration

b. has been irradiated

Foods on the GRAS list __________. a. are definitely safe b. have been used for years without ill effect c. are green d. do not need to be listed in an ingredient list

b. have been used for years without ill effect

What is the major cause of food-borne illness in the United States today? a. pesticides b. microbes c. environmental toxins d. antibiotics

b. microbes

Glass that enters food from a broken jar is _________. a. regulated as an indirect food additive b. not regulated c. safe because it is sterilized d. regulated as an accidental contaminant

b. not regulated

At what step in this process is recombinant DNA formed? a. 1 b. 3 c. 4 d. 6 e. 7

c. 4

Which organism can cause food-borne intoxication and can be present in honey and home-canned foods? a. Escherichia coli b. Clostridium perfringens c. Clostridium botulinum d. Salmonella

c. Clostridium botulinum

Which statement about EER is False?a. It is the amount of energy needed to maintain body weight. b. It is the amount of energy you expend daily c. It increases if you lose weight d. It decreases in adults as they get older e. it increases if you exercise more

c. It increases if you lose weight.

Amy lives in Connecticut, where the summer temperature and humidity can vary dramatically from day to day. On Monday, it is 88°F, with a relative humidity of 90%. On Tuesday, the temperature goes up to 96°F, but the humidity drops to 60%. By Wednesday, the temperature has dropped slightly to 92°F, but the humidity has increased to 65%. On Thursday, the temperature drops to 90°F, and the humidity climbs to 85%. Use the table shown here to determine which day has the lowest heat index. (pg. 362) a. Monday c. Wednesday b. Tuesday d. Thursday

c. Wednesday

12. The best fluid to consume during a marathon is _______________. a. plain water b. fruit juice c. a sports drink containing glucose and sodium d. a protein shake

c. a sports drink containing glucose and sodium

This Chart most likely shows the distribution of energy expenditure in which of the following people (pg 329) a. a cyclist who trains for 6 hours a day b. an office worker who gets no exercise other than gardening c. a young adult who works out for 90 minutes a day d. an elderly man who is bedridden

c. a young adult who works out for 90 minutes a day

Raw hamburger patties are taken to the grill on a platter. After being cooked, they are returned to the unwashed platter and served. This is an example of ____________. a. efficient use of kitchen equipment b. food intoxication c. cross-contamination d. a HACCP system

c. cross-contamination

Long-term healthy weight loss is based on all of the following principles except: a. Increasing physical activity b. adopting lifelong changes in eating habits c. eating specific combinations of foods that increase the number of calories burned d. Keeping portion sizes moderate e. making nutrient-dense choices

c. eating specific combinations of foods that increase the number of calories burned

The foods that most frequently cause Salmonella infection are _____________. a. beef and pork b. dairy products c. eggs and poultry d. shellfish

c. eggs and poultry

Which nutrient can be used to produce energy in the absence of oxygen? a. protein b. fatty acids c. glucose d. B vitamins e. lactic acid

c. glucose

Excess body fat increase the risk of: a. Diabetes b. High blood cholesterol c. Certain cancers d. High blood pressure e. all of thee above

e. all of thee above

Which factor does not affect the likelihood that a contaminant will cause food-borne illness in an individual? a. body size b. immune status c. age d. dose of toxin e. time of year

e. time of year

Which Statement about basal metabolic rate (BMR) is false? a. In an average person, it is the largest component of energy expenditure b. It includes the energy needed for kidney function and heartbeat. c. It includes energy needed to exercise d. It is measured in a warm room before rising, after 12 hours without food or exercise. e. It is the energy expended to keep an awake, resting body alive.

C. It includes the energy needed for exercise

Andreas is 30 years old. He would like to exercise at an intensity that ensures he is in his aerobic zone. Use this graph to determine the heart rate range that is appropriate for Andreas. (pg. 362) a. 114 to 162 b. 114 to 190 c. 120 to 170 d. 87 to 120 e. 123 to 170

a. 114 to 162

The source of fuel in the first few seconds of exercise is _______________. a. ATP and creatine phosphate b. stored glycogen c. glucose made by the liver d. fatty acids e. protein

a. ATP and creatine phosphate

Which bar indicates the proportion of energy obtained from glucose, fatty acids, and amino acids that would be used as fuel while studying for an exam? (pg 362)

a. Amino Acids, Fatty acids, glucose

The method of determining body composition shown here relies on what principle to determine the amount of body fat? (Water submerging) a. Fat is less dense than water b. Fat does not conduct electricity c. The amount of subcutaneous fat is representative of total body fat. d. The extent to which x-rays penetrate fat is different from the extent to which they penetrate other tissues

a. Fat is less dense than water

9. Which of the following statements about carbohydrate loading is false? a. It provides a competitive advantage for sprinters and weight lifters. b. It causes short-term weight gain. c. It involves manipulating diet and activity patterns before an event. d. It can enhance endurance.

a. It provides a competitive advantage for sprinters and weight lifters.

Which of the following is not true of a HACCP system? a. It relies on visual food inspections. b. It identifies steps in food production where contamination can occur or be prevented. c. Designing and implementing a HACCP system is the responsibility of a food manufacturer. d. It requires extensive record keeping. e. It monitors critical points in food production and takes corrective action if criteria are not met.

a. It relies on visual food inspections.

Which best describes how creatine supplements might enhance performance? a. They increase the amount of creatine phosphate in the muscle. b. They increase the transport of fatty acids into the mitochondria. c. They increase delivery of oxygen to the muscle. d. They eliminate free radicals.

a. They increase the amount of creatine phosphate in the muscle

In order to calculate a person's BMI, you need to know the person's a. height and weight b. age and activity level c. lean body mass and waist circumference d. gender and weight e. gender and body composition

a. height & weight

The potential benefits of biotechnology include all of the following except __________. a. increased biodiversity b. enhanced disease resistance c. improved crop yields d. reduced pesticide use

a. increased biodiversity

Which of the following is most likely to be a concern in hamburger that is cooked to well done on a grill? a. polycyclic aromatic hydrocarbons (PAHs) b. Escherichia coli c. Giardia d. prions

a. polycyclic aromatic hydrocarbons (PAHs)

Which organism is most likely to contain the highest concentration of industrial contaminants? a. A b. B c. C d. D

d. D

Which statement about leptin is false? a. Someone with a defective leptin gene will most likely be obese b. More leptin is released as adipocytes enlarge. c. Low leptin levels stimulate food intake and reduce energy expenditure d. Most human obesity is due to abnormalities in the leptin gene e. Leptin is better at defending against weight loss than against weight gain.

d. Most human obesity is due to abnormalities in the leptin gene.

Which eating disorder is characteristic of people who are overweight? a. anorexia b. bigorexia c. bulimia d. binge-eating disorder

d. binge-eating disorder

If an athlete loses a lot of water and salt in sweat but drinks only water, he is at risk for _______________. a. hypertension b. hypodermic c. hyperactivity d. hyponatremia e. dehydration

d. hyponatremia

10. Which of the following is a goal of precompetition meals? a. maximize fat stores b. increase muscle mass c. keep the stomach full d. maximize glycogen stores

d. maximize glycogen stores

Which of the following has not contributed to the rising incidence of overweight and obesity in the US a. Americans use less energy in the activities of their daily lives than they used to b. Portion sizes of our food have increased c. We have ready access to food 24 hrs a day d. Our genetics have changed e. The number of people who work jobs requiring strenuous physical labor has decreased

d. our genetics have changed

Which of the following statements about aerobic exercise is false? a. It increases heart rate. b. It requires oxygen in metabolism. c. It can use fat as a fuel. d. It is performed at an intensity low enough to carry on a conversation. e. It includes activities such as weight lifting and sprinting.

e. It includes activities such as weight lifting and sprinting.

Which group is least likely to develop anorexia nervosa? a. ballet dancers b. fashion models c. female gymnasts d. actresses e. middle-aged men

e. Middle aged men