HSCI Ch 9 Study Q Exam Latest
Update
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 - Answer 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. - Answer C. overweight
A female's basal metabolic rate (BMR) is highest during
a. menopause.
b. puberty.
c. childhood.
d. old age. - Answer 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. - Answer 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.
b. 30 inches.
,c. 34 inches.
d. 38 inches. - Answer c. 34 inches
Alicia is 19 years old, is a distance runner, and has a BMI of 17.5. This classifies her as
a. underweight.
b. overweight.
c. normal weight.
d. obese. - Answer a. underweight
There are two categories of stored body fat: essential and
a. adipose.
b. storage.
c. nonessential.
d. intrinsic. - Answer b. storage
A woman whose body weight is more than 10 percent below healthy recommended
levels is
a. anorexic.
b. bulemic.
c. low BMI.
d. underweight. - Answer d. underweight
The type of fat that is necessary for maintaining basic life and reproductive functions is
a. essential fat.
b. intrinsic fat.
c. storage fat.
d. subcutaneous fat. - Answer a. essential fat
Research has found that there are health risks associated with how fat is distributed in
the body. In which area of the body is fat the biggest risk to health?
a. Hips
b. Abdomen
c. Thighs
,d. Buttocks - Answer b. abdomen
The system of measuring body composition by using a caliper to measure an underlying
layer of fat is known as
a. bioelectrical impedance analysis.
b. dual-energy X-ray absorptiometry.
c. the skinfold method.
d. hydrostatic weighing. - Answer c. the skinfold method
Carla had her body fat measured using a method that sent a low level of electrical
current through her body, which is known as
a. BIA (bioelectrical impedance analysis..
b. DXA (dual-energy X-ray absorptiometry..
c. MRI (magnetic resonance imaging..
d. EKG (electrocardiogram.. - Answer a. BIA
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. -
Answer 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. - Answer 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. - Answer c. signals satiety
Which hormone plays a significant role in appetite stimulation?
a. Leptin
b. Insulin
c. Ghrelin
d. Thyroxine - Answer 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. - Answer 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. - Answer 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. - Answer 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.
Update
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 - Answer 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. - Answer C. overweight
A female's basal metabolic rate (BMR) is highest during
a. menopause.
b. puberty.
c. childhood.
d. old age. - Answer 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. - Answer 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.
b. 30 inches.
,c. 34 inches.
d. 38 inches. - Answer c. 34 inches
Alicia is 19 years old, is a distance runner, and has a BMI of 17.5. This classifies her as
a. underweight.
b. overweight.
c. normal weight.
d. obese. - Answer a. underweight
There are two categories of stored body fat: essential and
a. adipose.
b. storage.
c. nonessential.
d. intrinsic. - Answer b. storage
A woman whose body weight is more than 10 percent below healthy recommended
levels is
a. anorexic.
b. bulemic.
c. low BMI.
d. underweight. - Answer d. underweight
The type of fat that is necessary for maintaining basic life and reproductive functions is
a. essential fat.
b. intrinsic fat.
c. storage fat.
d. subcutaneous fat. - Answer a. essential fat
Research has found that there are health risks associated with how fat is distributed in
the body. In which area of the body is fat the biggest risk to health?
a. Hips
b. Abdomen
c. Thighs
,d. Buttocks - Answer b. abdomen
The system of measuring body composition by using a caliper to measure an underlying
layer of fat is known as
a. bioelectrical impedance analysis.
b. dual-energy X-ray absorptiometry.
c. the skinfold method.
d. hydrostatic weighing. - Answer c. the skinfold method
Carla had her body fat measured using a method that sent a low level of electrical
current through her body, which is known as
a. BIA (bioelectrical impedance analysis..
b. DXA (dual-energy X-ray absorptiometry..
c. MRI (magnetic resonance imaging..
d. EKG (electrocardiogram.. - Answer a. BIA
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. -
Answer 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. - Answer 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. - Answer c. signals satiety
Which hormone plays a significant role in appetite stimulation?
a. Leptin
b. Insulin
c. Ghrelin
d. Thyroxine - Answer 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. - Answer 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. - Answer 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. - Answer 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.
