Unit #3 ch. 9

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A man at a healthy weight is most likely to have a body fat percentage of __________.

18-20 percent

Which food item has the greatest energy density?

39 grams of vanilla ice cream that provides 155 calories

Which of the following techniques is used to measure the concentration of subcutaneous fat on the back of the arm?

A skinfold test

Which statement about the body's response to energy surplus is false?

Excess amino acids are stored in the muscles.

Which of the following hormones is released by the stomach cells to stimulate appetite?

Ghrelin

What is the primary source of energy for the brain and the nervous system?

Glucose

What is not a risk of being underweight?

High risk of developing heart disease

Which types of foods can sustain feelings of fullness longer than other foods?

High-fiber foods

Which of the following statements is true of the basal metabolic rate (BMR)?

It is higher for children and pregnant women.

Which of the following statements about BMI is correct?

It lies in the range of 18.5 to 25 for healthy individuals.

You are weighing the players of a football team, and based on their BMI values they appear to be obese. What would you conclude based on the above data?

Their high muscle mass is probably responsible for the elevated scale weights.

Which of the following statements regarding behavior modification for weight control is true?

Thinking habits are just as important as eating habits to achieving a healthy body weight.

One's BMI can be calculated by dividing one's weight (in kg) by one's height (in m2).

True

What is a beneficial role of physical activity in weight loss?

Working out builds muscle, and lean muscle tissue burns more calories per pound than fat does.

Characteristics of patients with anorexia nervosa include:

denial of being severely underweight

Which of the following is LEAST likely to occur as a symptom of anorexia?

high body temperature

To maintain energy balance, an individual's energy intake should be equal to what?

his or her total energy output

Fad diets are successful in the short term because they:

induce a calorie deficit

What is the most likely primary source of fuel for the central nervous system after a person refrains from eating for 10 days (a prolonged fast)?

ketone bodies

The thermic effect of food contributes to the total energy expended in a day because:

metabolism remains elevated for several hours after a meal

Increased physical activity maintains healthy __________ tissue, which burns more calories per pound compared to other tissue.

muscle

What is the most likely source of glucose fuel for the central nervous system after a person has refrained from eating for one whole day (a short fast)?

protein from lean tissue

A measure of energy output taken while a person is awake but relaxed is called the _____.

resting metabolic rate

All of the following factors are associated with a high basal metabolic rate except:

starvation

What is the "female athlete triad"?

three associated medical problems: low energy availability, amenorrhea, and osteoporosis

The two primary goals of treatment for bulimia nervosa are steady maintenance of _________ and prevention of _________ gains and losses.

weight; cyclic

Which of the following is true of successful weight loss?

Adopting healthy eating patterns, increasing physical activity, and behavior modification can lead to successful weight loss.

An individual needs to take in enough __________ each day to cover their energy expenditure needs. Too many promotes weight gain; too few promotes weight loss.

calories

The "energy in" side of the body's energy budget is measured in _____ that are obtained from foods and beverages.

calories

Instant changes in body weight are most likely the result of all the following except:

changes in fat stores


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