NTR 222 Exam 2 FALL'14_ FA2014 NTR 222-QL Nutrition and Health

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Unformatted text preview: 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health NTR 222 Exam 2 FALL'14 Due Oct 30 at 7pm Points 100 Time Limit 50 Minutes Attempt History Questions 50 Available Oct 28 at 7:30am ­ Oct 30 at 7pm 2 days Attempt Time Score LATEST Attempt 1 23 minutes 88 out of 100 Correct answers are hidden. Score for this quiz: 88 out of 100 Submitted Oct 30 at 2:28pm This attempt took 23 minutes. Question 1 2 / 2 pts According to the article on food allergies, there is some evidence that: allergies in children are on the decline in the U.S. avoiding certain foods early in life can increase a child's sensitivity to that food allergies in children are under diagnosed Question 2 2 / 2 pts According to the article "Genes Are Not Destiny", the rapid increase in obesity around the world is: probably caused by one or two obesity genes. not likely due to genetic changes since the gene pool remains fairly stable over many generations. likely due to genetic changes that make people more likely to gain weight. Question 3 2 / 2 pts According to the research on weight expectations among people beginning a weight loss program the amount of weight that people would have to lose to reach their "happy weight" is: less than the amount of weight they actually lose. much greater than the amount of wieght they actually lose typically the same as the amount of weight they actually lose 1/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Question 4 2 / 2 pts Acute and chronic protein malnutrition would most likely result in an increase in ______________ because ________________________. : muscle wasting; low protein levels would reduce glycogen storage the risk of metabolic syndrome; low energy intake reduces insulin levels infections; proteins function as antibodies Question 5 2 / 2 pts ___________ increases basal metabolic rate. Increasing age Increased thermic effect of food. Lower body surface area Extremely low environmental temperature. Question 6 2 / 2 pts A 25­year old man's risk of mortality would increase with a: BMI of 22 waist circumference of 38 inches body fat of 25% Incorrect Question 7 0 / 2 pts A method of measuring body fat % is ____________ and uses ___________ as its underlying principle. skin fold calipers; subcutaneous fat measurement as an estimation of total body fat underwater weighing; the difference between water content of muscle and fat bioelectrical impedence; body fat location body mass index; weight for height Question 8 2 / 2 pts A method of measuring both body fat location and body fat percentage is: 2/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Dual Energy X­ray Absorptiometry (DXA) the bod pod skin fold calipers bioelectrical impedence Question 9 2 / 2 pts An appropriate lunch to serve a vegan vegetarian is a(n): egg salad sandwich macaroni and cheese grilled cheese sandwich red beans and rice Question 10 2 / 2 pts An example of a complete protein source is: peanut butter soy milk pinto beans pasta Question 11 2 / 2 pts An increase in LDL's would most likely occur from a high dietary intake of: trans fats unsaturated fats omega 6 fatty acids Question 12 2 / 2 pts A 25­year old patient blood pressure readings over several visits to the doctor are: 122/85, 120/80, and 130/85. The proper diagnosis is ___________; the patient should _____________. stage 1 hypertension; begin exercise and diet changes to lower blood pressure 3/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health pre­hypertension; begin anti­hypertensive medication as well as dietary changes to lower blood pressure pre­hypertension; consider exercise and diet changes to lower blood pressure normal; not begin any anti­hypertensive medications Question 13 2 / 2 pts A patient's urinary nitrogen ("nitrogen out") is higher than nitrogen intake ("nitrogen in") in a nitrogen balance study. The dietitian estimated nitrogen intake by evaluating dietary _______________ intake and would report that the patient is in ______________ nitrogen balance. protein; negative carbohydrate; negative protein; positive carbohydrate; positive Question 14 2 / 2 pts A patient with high blood pressure tells you that he read a news story about the DASH study. He asks you if he should take calcium, magnesium, and potassium supplements to lower his blood pressure based on the results of the study. You tell him: no, the study showed that foods like fruits and vegetables, dairy foods, and nuts and seeds can help lower blood pressure but not supplements. yes, the study showed that supplements containing calcium, magnesium, and potassium can help lower blood pressure. yes, the showed that foods high in these nutrients can help lower blood pressure but we can logically expect supplements to have the same effect. Question 15 2 / 2 pts A person with BMI "A" would, on average, fall within the category of__________ and would have a ______________ risk of mortality than a person with BMI "B": 4/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health underweight; lower overweight; lower overweight; higher underweight; higher Question 16 2 / 2 pts _________ are an inverse risk factor for heart disease because they _____________. Low HDL's; are more likely to adhere to the arteries High LDL's; are more likely to adhere to the arteries Low LDL's; carry cholesterol out of the bloodstream & back to the liver High HDL's; carry cholesterol out of the bloodstream & back to the liver Question 17 2 / 2 pts A risk factor for metabolic syndrome is: triglycerides of 160 mg/dl High % body fat BMI over 30 High HDL's Question 18 2 / 2 pts A vegan diet is more likely than a non­vegan diet to be lower in: beta­carotene fiber zinc Incorrect Question 19 0 / 2 pts A waist measurement with a tape measure is considered to be a(n): inaccurate estimate of intra­abdomonial fat direct method of measuring intra­abdominal fat 5/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health accurate estimation of intra­abdominal fat Question 20 2 / 2 pts Blood tests for food allergies can be ______ because they _______: unreliable; often fail to distinguish between similar proteins in different foods resulting in over diagnosis. reliable; accurately distinguish between similar proteins in different foods. unreliable; often fail to identify allergenic proteins resulting in under diagnosis. Question 21 2 / 2 pts Body Mass Index (BMI) charts for adults are based on: height, weight, and gender height, weight, gender, and age height, weight, gender and ethnic group height and weight Question 22 2 / 2 pts Brown adipose tissue may influence body weight because it is __________ metabolically active than white adipose tissue thus ___________________. more; burning more calories less; storing more fat less; burning more calories more;storing more fat Question 23 2 / 2 pts Chylomicrons are the way that the: intestines package large dietary fats and lipids for delivery to the body's cells and to the liver fat cells store lipids for energy use in times of famine 6/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health liver packages large lipids for transport in the bloodstream Incorrect Question 24 0 / 2 pts Conditionally essential amino acids: must be obtained from dietary sources under normal conditions. are amino acids that are not necessary for protein building in general and are only used to build other amino acids. must be obtained from dietary sources under certain conditions such as malnutrition. Incorrect Question 25 0 / 2 pts Cooking an egg would alter the egg protein by: changing its shape and function but not breaking it down to individual amino acids. destroying its primary structure but not its shape. changing its shape and function and also breaking it down to individual amino acids. Question 26 2 / 2 pts Dietary fat is digested in the: stomach by bile acids small intestine by bile acids small intestine by pancreatic and intestinal lipases stomach by pancreatic and gastric lipases Question 27 2 / 2 pts Ghrelin ____________ hunger and is produced mainly in the __________. increases; pancreas decreases; gastric cells increases; gastric cells decreases; pancreas 7/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Incorrect Question 28 0 / 2 pts In an adult, fat cells can increase in: number but not in size. size only but not in number. number after an increase in the size of fat cells has reached its limit. Question 29 2 / 2 pts Injections of ____________ can effectively treat obesity when ________________. leptin; the ob gene is defective leptin; BMI is over 35 ghrelin; BMI is over 35 ghrelin; the ob gene is defective Question 30 2 / 2 pts Lipoprotein lipase is _____________________ and is found in _____________ amounts in healthy weight people than in obese people. a hormone that increase appetite; greater an enzyme that breaks down triglycerides from lipoproteins; lower an enzyme that breaks down triglycerides from lipoproteins; greater a hormone that decreases appetite; lower Question 31 2 / 2 pts Lipoprotein lipase may play a role in: making it more difficult for obese people to lose weight because it lowers the metabolism of the fat cells. helping obese people to lose weight because it decreases the appetite. making it more difficult for obese people to lose weight because it makes fat storage more efficient. 8/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Question 32 2 / 2 pts Marasmus is caused by an: inadequate consumption of fluids inadequate protein and calorie intake over­consumption of protein accompanied by inadequate calorie intake Question 33 2 / 2 pts Metabolic syndrome is a _____________ in which the underlying disorder is ___________. chronic disease; pancreatic failure to produce insulin cluster of symptoms; insulin resistance form of heart disease; high blood pressure form of heart disease; obesity Question 34 2 / 2 pts Metabolic syndrome increases the risk of: heart disease pancreatic cancer kidney failure Question 35 2 / 2 pts Most of the cholesterol in the human body comes from: girl scout cookies. high sugar foods. animal foods such as red meat and eggs. liver production. Question 36 2 / 2 pts On average, a person with BMI ___ would have the lowest risk of mortality. 9/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health B A C Question 37 2 / 2 pts The highest ghrelin levels would be found in someone who: has a BMI of 30. has just finished eating a meal. has not eaten in 4 to 5 hours. Question 38 2 / 2 pts The weight loss surgery that results in the greatest weight loss is: gastric bypass surgery neither ­ they yield similar results. gastric banding Question 39 2 / 2 pts Large lipids are absorbed: directly into the lymph first and then to bloodstream and the liver. directly into the bloostream in the small intestine and then to to the liver for repackaging. . packaged in chylomicrons which first enter the lymph and then deliver fat to the muscle and fat cells before going to the liver. directly into the bloostream in the stomach and then to to the liver for repackaging. . 10/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Question 40 2 / 2 pts Substances that facilitate chemical reactions are _________ and they are almost always _____________. hormones; proteins enzymes; proteins hormones; sterols enzymes; carbohydrates Question 41 2 / 2 pts The DASH diet was most effective in people who had: high blood pressure pre­hypertension moderately high blood pressure Question 42 2 / 2 pts The diets in the U.S.News and World Report's Best Diets were evaluated by: a panel of experts in areas such as food psychology, obesity, and nutrition the U.S. Surgeon General conducting a survey of people who had been on each of the diets for at least a year Question 43 2 / 2 pts The hormone adiponectin may lower the risk of _____________ by ____________. heart disease; increasing HDL's heart disease; lowering LDL's type 2 diabetes; increasing insulin sensitivity type 1 diabetes; increasing insulin secretion Question 44 2 / 2 pts The most recently FDA­approved weight loss drug is _____________ and is a ______________: 11/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Qsymia; serotonin receptor activator which works by suppressing appetite. Contrave; a combination of two previously­approved drugs that works by reducing hunger and food cravings. Qsymia; combination of two previously approved drugs and blocks fat absorption. Contrave; fat absorption blocker. Question 45 2 / 2 pts The portion of the total energy expenditure that accounts for the majority of calories burned over the course of a day is: basal metabolism physical activity thermic effect of food Question 46 2 / 2 pts The research data on weight cycling (also known as yo­yo dieting): is inconclusive at this time but suggests that factors other than a repressed metabolism are likely responsible for weight regain clearly shows that a repressed metabolism is likely the cause of weight regain suggests that a lack of willpower on the part of dieters is the cause of weight regain Incorrect Question 47 0 / 2 pts The results of the DASH study could be interpreted as: cause and effect because the participants were randomized to the study or control group. cause and effect because it was a feeding study in which the participants were given the food. a correlation or association because it was an observational study. Question 48 2 / 2 pts 12/13 12/8/2014 NTR 222 Exam 2 FALL'14: FA2014 NTR 222­QL Nutrition and Health Trans fats are: unsaturated fats that become completely saturated during hydrogenation and therefore increase the risk of heart disease. unsaturated fats produced during hydrogenation that seem to increase LDL's. saturated fats that become unsaturated during hydrogenation and seem to reduce LDL's saturated fats whose hydrogen atoms change position during hydrogenation and seem to lower the risk of heart disease. 2 / 2 pts Question 49 Saturated fats are _____________ at room temperature because they have ___________________ . liquid; no double bonds. solid; no double bonds solid; more than one double bond. liquid; more than one double bond 2 / 2 pts Question 50 Your Aunt Voncile corners you at the family reunion. She tells you she recently started drinking several martinis a day because she heard that drinking alcohol promotes heart health. She has high cholesterol and a family history of heart disease. What do you tell her? She should stop drinking alcohol ­ any level of intake is unhealthy. Her present alcohol intake is safe and healthy with regard to heart disease. Excessive alcohol increases her risk of heart disease ­ she should cut back to no more than the equivalent of one alcoholic beverage per day Quiz Score: 88 out of 100 13/13 ...
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