HSCI Ch 9 study Q| exam questions and answers(multiple choice) graded A+

HSCI Ch 9 study Q| exam questions and answers(multiple choice) graded A+HSCI Ch 9 study Q| exam questions and answers(multiple choice) graded A+ 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 - correct 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. - correct answer-C. overweight A female's basal metabolic rate (BMR) is highest during a. menopause. b. puberty. c. childhood. d. old age. - correct 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. - correct 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. - correct 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. - correct answer-a. underweight There are two categories of stored body fat: essential and a. adipose. b. storage. c. nonessential. d. intrinsic. - correct 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. - correct 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. - correct 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 - correct 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. - correct 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.. - correct 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. - correct 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. - correct 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. - correct answer-c. signals satiety Which hormone plays a significant role in appetite stimulation? a. Leptin b. Insulin c. Ghrelin d. Thyroxine - correct 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. - correct 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. - correct answer-c. class 3 obesity Which of the following statements about global obesity is TRUE? a. Globally, overwei