HSCI Practice study Questions & Verified Answers
Already Updated
Which of the following best describes research findings on the genetics of obesity?
a. Statistics show a 50 percent chance of being obese if both parents are obese.
b. Statistics show that only those with the "thrifty gene" will be able to resist obesity.
c. Twin studies show no evidence that there is a major genetic influence in weight.
d. Twin studies support genetic influence, but the environment plays a substantial role. -
✔✔d. Twin studies support genetic influence, but the environment plays a substantial role.
A person with the "thrifty gene" has
a. a decreased chance of obesity.
b. a slower metabolism.
c. a rapid basal metabolic rate.
d. an easier time maintaining weight. - ✔✔b. a slower metabolism
What role does leptin play in weight management?
a. It stimulates the appetite.
b. It lowers BMR.
c. It signals satiety.
d. It lowers blood sugar. - ✔✔c. signals satiety
Which hormone plays a significant role in appetite stimulation?
a. Leptin
b. Insulin
c. Ghrelin
,d. Thyroxine - ✔✔c. ghrelin
How does leptin act in the body?
a. It signals the brain that the stomach is full.
b. It regulates the production of insulin.
c. It signals the brain that the body needs food.
d. It increases the rate of metabolism. - ✔✔a. signals the brain that the stomach is full
Paolo's physician has told him that he has gained so much weight since his exam last year he
now weighs about double what he should. Paolo's weight would be classified as
a. class 1 obesity.
b. class 2 obesity.
c. class 3 obesity.
d. super obesity. - ✔✔c. class 3 obesity
Which of the following statements about global obesity is TRUE?
a. Globally, overweight and obesity are responsible for more deaths than underweight.
b. Japan has a higher rate of obesity than China.
c. In India, obesity is now more prevalent than underweight.
d. Obesity rates worldwide have increased by almost 50 percent since 1980. - ✔✔a. globally,
overweight and obesity are responsible for more deaths than underweight
Steve is thin and seems to be able to eat as much as he wants while not gaining weight. Which
of the following is a possible explanation for his ability to stay thin?
a. Steve has inherited thrifty genes.
b. Steve has inherited a low sensitivity to satiety.
c. Steve is 73 years old.
d. Steve has a high resting metabolic rate. - ✔✔d. steve has high resting metabolic rate
,When fat cells enlarge as weight is gained, what process is occurring?
a. Hypermagnification
b. Hyperplasia
c. Hyperedema
d. Hypertrophy - ✔✔d. hypertrophy
Troy's weight has always been around 180 pounds. When he gains a few pounds, he usually
drops the extra weight relatively quickly but rarely drops below 180. Troy's ability to maintain a
"standard" weight exemplifies which theory?
a. Adaptation
b. Basal metabolism
c. Set point
d. Environmental affect - ✔✔c. set point
For some obese adults, gastric bypass surgery has been shown to be effective in treating
a. disordered eating.
b. heart disease.
c. type 2 diabetes.
d. colon cancer. - ✔✔c. type 2 diabetes
Metabolic rates slow 1 to 2 percent a year beginning at which life stage?
a. Age 10
b. Age 30
c. Age 50
d. Age 70 - ✔✔b. age 30
, About what percentage of adults in the United States are classified as obese?
a. 23 percent
b. 28 percent
c. 33 percent
d. 34-36 percent - ✔✔d. 34 36%
Bob calculated his body mass index (BMI) to be 27. This classifies him as
a. underweight.
b. ideal weight.
c. overweight.
d. obese. - ✔✔C. overweight
A female's basal metabolic rate (BMR) is highest during
a. menopause.
b. puberty.
c. childhood.
d. old age. - ✔✔b. puberty
The most accurate and complete way to determine ideal body weight is to
a. measure body composition.
b. record how much you eat per day in a journal.
c. compare bone mass to muscle mass.
d. compare height to weight. - ✔✔a. measure body composition
For optimal health, a person who is 68 inches tall should have a waist circumference no larger
than
a. 26 inches.
Already Updated
Which of the following best describes research findings on the genetics of obesity?
a. Statistics show a 50 percent chance of being obese if both parents are obese.
b. Statistics show that only those with the "thrifty gene" will be able to resist obesity.
c. Twin studies show no evidence that there is a major genetic influence in weight.
d. Twin studies support genetic influence, but the environment plays a substantial role. -
✔✔d. Twin studies support genetic influence, but the environment plays a substantial role.
A person with the "thrifty gene" has
a. a decreased chance of obesity.
b. a slower metabolism.
c. a rapid basal metabolic rate.
d. an easier time maintaining weight. - ✔✔b. a slower metabolism
What role does leptin play in weight management?
a. It stimulates the appetite.
b. It lowers BMR.
c. It signals satiety.
d. It lowers blood sugar. - ✔✔c. signals satiety
Which hormone plays a significant role in appetite stimulation?
a. Leptin
b. Insulin
c. Ghrelin
,d. Thyroxine - ✔✔c. ghrelin
How does leptin act in the body?
a. It signals the brain that the stomach is full.
b. It regulates the production of insulin.
c. It signals the brain that the body needs food.
d. It increases the rate of metabolism. - ✔✔a. signals the brain that the stomach is full
Paolo's physician has told him that he has gained so much weight since his exam last year he
now weighs about double what he should. Paolo's weight would be classified as
a. class 1 obesity.
b. class 2 obesity.
c. class 3 obesity.
d. super obesity. - ✔✔c. class 3 obesity
Which of the following statements about global obesity is TRUE?
a. Globally, overweight and obesity are responsible for more deaths than underweight.
b. Japan has a higher rate of obesity than China.
c. In India, obesity is now more prevalent than underweight.
d. Obesity rates worldwide have increased by almost 50 percent since 1980. - ✔✔a. globally,
overweight and obesity are responsible for more deaths than underweight
Steve is thin and seems to be able to eat as much as he wants while not gaining weight. Which
of the following is a possible explanation for his ability to stay thin?
a. Steve has inherited thrifty genes.
b. Steve has inherited a low sensitivity to satiety.
c. Steve is 73 years old.
d. Steve has a high resting metabolic rate. - ✔✔d. steve has high resting metabolic rate
,When fat cells enlarge as weight is gained, what process is occurring?
a. Hypermagnification
b. Hyperplasia
c. Hyperedema
d. Hypertrophy - ✔✔d. hypertrophy
Troy's weight has always been around 180 pounds. When he gains a few pounds, he usually
drops the extra weight relatively quickly but rarely drops below 180. Troy's ability to maintain a
"standard" weight exemplifies which theory?
a. Adaptation
b. Basal metabolism
c. Set point
d. Environmental affect - ✔✔c. set point
For some obese adults, gastric bypass surgery has been shown to be effective in treating
a. disordered eating.
b. heart disease.
c. type 2 diabetes.
d. colon cancer. - ✔✔c. type 2 diabetes
Metabolic rates slow 1 to 2 percent a year beginning at which life stage?
a. Age 10
b. Age 30
c. Age 50
d. Age 70 - ✔✔b. age 30
, About what percentage of adults in the United States are classified as obese?
a. 23 percent
b. 28 percent
c. 33 percent
d. 34-36 percent - ✔✔d. 34 36%
Bob calculated his body mass index (BMI) to be 27. This classifies him as
a. underweight.
b. ideal weight.
c. overweight.
d. obese. - ✔✔C. overweight
A female's basal metabolic rate (BMR) is highest during
a. menopause.
b. puberty.
c. childhood.
d. old age. - ✔✔b. puberty
The most accurate and complete way to determine ideal body weight is to
a. measure body composition.
b. record how much you eat per day in a journal.
c. compare bone mass to muscle mass.
d. compare height to weight. - ✔✔a. measure body composition
For optimal health, a person who is 68 inches tall should have a waist circumference no larger
than
a. 26 inches.
