Nutrition Chapter 4

25 July 2022
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question
Which of the following is a non-nutritive sweetener? sucrose aspartame sorbitol fructose
answer
aspartame
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Which artificial sweetener was once linked to cancer but later removed from the list of potential cancer-causing substances? saccharin sucralose aspartame acesulfame-K
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saccharin
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Which of the following is an example of an insoluble fiber? mucilages pectins lignins gums
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lignins
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Which of the following BEST describes the glycemic index? an individual's glucose/insulin ratio in a fasted state the amount of insulin required to metabolize 100 grams of glucose the glucose content of a given food the extent to which a given food raises blood glucose and insulin levels
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the extent to which a given food raises blood glucose and insulin levels
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The Acceptable Macronutrient Distribution Range (AMDR) suggests that carbohydrates can make up as much as ________ of total daily Calories to decrease a person's risk of chronic disease. 65% 70% 75% 80%
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65%
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What is the KEY difference between soluble fiber and insoluble fiber? Soluble fiber can be ingested; insoluble fiber cannot. Soluble fiber is only found in fruits; insoluble fiber in vegetables. Soluble fibers can be digested by bacteria in the colon; insoluble fiber cannot. Soluble fibers can be used as food thickeners; insoluble fiber cannot.
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Soluble fibers can be digested by bacteria in the colon; insoluble fiber cannot.
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Which of the following is a disaccharide? sucrose fructose galactose glucose
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sucrose
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Lactose intolerance is due to a(n): deficiency of lactose. deficiency of lactase. deficiency of healthy bacteria in the GI tract. allergy to casein (milk protein).
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deficiency of lactase.
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The beta bond that produces lactose is difficult for the human body to break down. True False
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true
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A person with reactive hypoglycemia can control the condition by: eliminating dairy products from his or her diet. switching to alternative sweeteners. administration of insulin by injection or pump. eating smaller, more frequent meals.
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eating smaller, more frequent meals.
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The term complex carbohydrates refers to: monosaccharides. disaccharides. oligosaccharides and polysaccharides. glucose.
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oligosaccharides and polysaccharides.
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Gram for gram, carbohydrate is more energy dense than fat. True False
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False
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Which of the following might a doctor recommend to reduce a patient's risk for diverticulosis? Consume more white bread and other refined foods. Consume a high-protein, low-carbohydrate diet. Eliminate non-digestible dietary fiber. Consume more dietary fiber.
answer
Consume more dietary fiber.
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Which of the following is the most prevalent form of diabetes? type 1 type 2 gestational pediatric
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type 2
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When fructose and glucose are bonded together, they form: sucrose. maltose. lactose. fructose.
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sucrose.
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Protection against heart disease is a potential benefit of a diet rich in simple sugar. True False
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False
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A person who has been diagnosed with impaired fasting glucose: has type 1 diabetes. has type 2 diabetes. is considered pre-diabetic. has very low levels of insulin.
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is considered pre-diabetic.
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Bran is the part of a grain kernel that is very high in: protein. healthful fats. fiber. water.
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fiber.
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Which of the following is a technique employed by some endurance athletes to increase their storage of muscle glycogen? ketosis carbohydrate loading glycogen surging gluconeogenesis
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carbohydrate loading
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Legumes do not contain fiber-rich carbohydrates. True False
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false
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In type 1 diabetes, the ________ are destroyed by an autoimmune disease. hepatocytes of the liver beta cells of the pancreas neurotransmitters of the brain glomerulus cells of the kidney
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beta cells of the pancreas
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A potentially life-threatening consequence of low-carbohydrate intake is: cancer. ketoacidosis. glycogenesis. lipogenesis.
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ketoacidosis
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Simple carbohydrates differ from complex carbohydrates by virtue of: the type of bonds joining them. the number of molecules they are made up of. their digestability. the type of atoms they are composed of.
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the number of molecules they are made up of.
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Moderate alcohol consumption for men is up to two drinks per day. True False
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False
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Alcohol is primarily metabolized by the: stomach. liver. kidney. spleen.
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liver.
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Fetal alcohol syndrome is BEST described as a genetic disorder. True False
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False
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Moderate alcohol consumption is always associated with health benefits. True False
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False
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On average, a healthy adult can metabolize two drinks per hour. True False
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False
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Which of the following is a potential health benefit of moderate alcohol consumption? increased LDL cholesterol increased HDL cholesterol decreased HDL cholesterol appetite suppression
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increased HDL cholesterol
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Chronic drinkers may show few signs of impairment or intoxication even at high blood alcohol levels. This condition is known as: hepatic efficiency. metabolic tolerance. functional tolerance. alcohol tolerance.
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functional tolerance.
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Excessive alcohol consumption can cause dizziness and lightheadedness due to fluid and electrolyte imbalances because alcohol: takes a long time to digest. has an inflammatory effect in the body. is a sedative. is a diuretic.
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is a diuretic.
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The non-alcoholic components found in red wine, brandy, and whiskey that may cause some of the symptoms of a hangover are called: enzymes. teratogens. oxidants. congeners.
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congeners.
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The BEST time to encourage a friend or family member with a drinking problem to seek help is: when his or her BAC level is just over the legal limit. when he or she is sober, shortly after an alcohol-related incident. several months after an alcohol-related incident. when affected family members are upset enough to voice their concerns.
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when he or she is sober, shortly after an alcohol-related incident.
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Alcohol is considered a drug. True False
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True
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Which of the following is a condition in which the liver becomes more efficient in the breakdown of alcohol? hepatic efficiency metabolic tolerance functional tolerance alcohol tolerance
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metabolic tolerance
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A 6-oz glass of wine is equivalent to one alcoholic drink. True False
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False
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The liver's ability to activate which of the following fat-soluble vitamins may be interrupted by chronic alcohol consumption? Vitamin D Vitamin C Vitamin K Vitamin B12
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Vitamin D
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The current alcohol consumption recommendation for pregnant women is: only one drink per day. beer and wine only. complete abstinence. clear-colored spirits only.
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complete abstinence.
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Alcohol is absorbed directly from the small intestine and the: mouth. esophagus. stomach. large intestine.
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stomach.
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Moderate alcohol consumption raises LDL cholesterol. True False
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False
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Alcohol does not require digestion before it can be absorbed. True False
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True
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Alcohol consumption, even at a moderate level, increases the risk for gastrointestinal bleeding if the drinker is: a diabetic using insulin. taking resveratrol supplements. taking aspirin or ibuprofen. on an antidepressant.
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taking aspirin or ibuprofen.
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Which of the following is caused by alcohol exposure by a fetus during pregnancy? cataracts fetal alcohol syndrome high birth weight diabetes
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fetal alcohol syndrome
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Which of the following is equivalent to one drink of alcohol? 12 oz of beer 8 oz of wine 1 oz of distilled spirits 12 oz of wine cooler
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12 oz of beer
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Alcohol provides how many kcal/g of energy? 4 5 7 9
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7
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Moderate alcohol consumption is BEST defined as: no more than 6 drinks per week for women and 12 drinks for men. one drink per day for women and up to two drinks per day for men. drinking only one night a week. drinking a glass of water with each alcoholic drink.
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one drink per day for women and up to two drinks per day for men.
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Excessive alcohol consumption is the third leading cause of preventable death for Americans. True False
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True
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Which of the following is a chemical found in red wine and grapes that may have health benefits? resveratrol cholesterol beta ethanol beta carotene
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resveratrol
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Up to ________ of the world's adult population suffers from lactose intolerance. 20% 30% 50% 70%
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70%
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You are scanning the range of choices in the bread aisle at the grocery store. Which phrase on the package label indicates that the bread likely contains a high amount of fiber-rich carbohydrates? refined enriched stone ground whole wheat
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whole wheat
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Which of the following is classified as an oligosaccharide? ribose starch raffinose maltose
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raffinose
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An adequate intake of carbohydrates: helps initiate ketosis. keeps the body from using proteins as energy. promotes gluconeogenesis. causes loss of lean body tissue.
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keeps the body from using proteins as energy.
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Plants store glucose in the form of the complex carbohydrate: starch. glycogen. glucagon. lipids.
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starch.
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Which of the following is a state in which the body produces too much insulin even before a meal has been consumed? reactive hypoglycemia type 1 diabetes fasting hypoglycemia gestational diabetes
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fasting hypoglycemia
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Individuals with the disease phenylketonuria (PKU) should not consume the artificial sweetener aspartame. Why? They are highly prone to development of diabetes. They are allergic to the sweetener. They experience severe headaches when they consume aspartame. They cannot metabolize the amino acid phenylalanine.
answer
They cannot metabolize the amino acid phenylalanine.
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Diabetes is a condition in which the body doesn't utilize ________ properly. vitamins protein glucose fat
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glucose
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Which of the following ethnic groups has the lowest incidence of lactose intolerance? Asian Americans African Americans Caucasian Americans Hispanic Americans
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Caucasian Americans
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Which of the following is MOST associated with diets high in added sugars? hyperactivity tooth decay diabetes memory loss
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tooth decay
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The Adequate Intake (AI) for fiber is: 25 g per day for men. more than 50 g for men and women. 14 g/1000 kcal per day. 45 g per day for men and women.
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14 g/1000 kcal per day.
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High-intensity exercise uses carbohydrate as a primary fuel source. True False
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True
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The complex carbohydrate that is the storage form of glucose in animals is: starch. glycogen. glucagon. lipids.
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glycogen.
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Type 2 diabetes is seen only in adults. True False
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False
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In type 1 diabetes, the ________ are destroyed by an autoimmune disease. hepatocytes of the liver beta cells of the pancreas neurotransmitters of the brain glomerulus cells of the kidney
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beta cells of the pancreas
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How many grams of carbohydrate (per day) are recommended to prevent ketosis in healthy individuals (RDA)? 75 grams 100 grams 130 grams 160 grams
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130 grams
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Yogurt is tolerated better than milk by many lactose-intolerant people because: yogurt has no lactose. bacteria in yogurt help digest the lactose. it has a thicker consistency. yogurt is acidic.
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bacteria in yogurt help digest the lactose.
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Which of the following fiber types includes fibers that can be classified as both soluble and insoluble? hemicelluloses cellulose lignins pectins
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hemicelluloses
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Chronic drinkers may show few signs of impairment or intoxication even at high blood alcohol levels. This condition is known as: hepatic efficiency. metabolic tolerance. functional tolerance. alcohol tolerance.
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functional tolerance.
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The first enzyme in alcohol metabolism is: glucokinase. alcohol dehydrogenase. aldehyde dehydrogenase. alcohol oxidase.
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alcohol dehydrogenase.
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Which of the following is a five-carbon monosaccharide? ribose fructose galactose glucose
answer
ribose
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Sarah's doctor wants to screen her for reactive hypoglycemia. If her doctor's suspicions are correct and Sarah does have reactive hypoglycemia, what would you expect her blood glucose concentration to be at approximately TWO HOURS after she had begun her glucose tolerance test? normal; two hours after consuming the glucose load, her blood concentrations will be no different from those of a healthy individual. depressed as compared to a healthy individual slightly elevated as compared to a healthy individual highly elevated as compared to a healthy individual
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depressed as compared to a healthy individual
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Red blood cells and the brain rely on ________ for energy. glucose glucagon protein fat
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glucose
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Gluconeogenesis is: the synthesis of new glucose from amino acids or other sources that are not carbohydrates. the release of stored glycogen from the liver. the process by which plants use sunlight to synthesize glucose. the uptake of glucose by the body's cells.
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the synthesis of new glucose from amino acids or other sources that are not carbohydrates.
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A disorder of the large intestine characterized by infected and inflamed pockets forming in the intestinal wall is: metabolic disorder. lactose intolerance. diverticulosis. colon cancer.
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diverticulosis.
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The MOST common source of added sugar in the U.S. diet is: fruits. soft drinks/sodas. chocolate bars. alcoholic beverages.
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soft drinks/sodas.
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Which of the following carbohydrates is the end product of photosynthesis? glycogen galactose lactose glucose
answer
glucose
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In the body, the major storage sites for glycogen are the: muscles and liver. kidney and muscles. liver and kidney. liver and pancreas.
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muscles and liver.
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Why does carbohydrate digestion NOT occur in the stomach? Pancreatic amylase absorbs all carbohydrates through endocytosis. The stomach lining absorbs all carbohydrates. All carbohydrates are broken down in the mouth before they reach the stomach. Acid in the stomach inactivates salivary amylase.
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Acid in the stomach inactivates salivary amylase.
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Carbohydrates contribute ________ kcal of energy per gram. 3 4 7 9
answer
4
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Which of the following is a sugar alcohol? xylitol saccharin high fructose corn syrup glycogen
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xylitol
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The glycemic load is: the amount of carbohydrate required to reverse hypoglycemia. the glycemic index multiplied by the saturated fatty acids. the glycemic index multiplied by the grams of carbohydrate. equivalent to the glycemic index.
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the glycemic index multiplied by the grams of carbohydrate.
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After a meal, which hormone is responsible for moving glucose into the body's cells? glucagon estrogen CCK insulin
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insulin
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Trevor's doctor wants to screen him for type 1 diabetes by administering a glucose tolerance test. If his doctor's suspicions are correct and Trevor does have type 1 diabetes, what would you expect his blood glucose concentration to be at approximately TWO HOURS after the test? elevated as compared to a healthy individual depressed as compared to a healthy individual normal; two hours after consuming the glucose load, his blood concentrations will be no different from those of a healthy individual. extremely depressed as compared to a healthy individual
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elevated as compared to a healthy individual
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Which of the following enzymes is found in the mouth? lactase maltase pancreatic amylase salivary amylase
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salivary amylase
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Which of the following is true regarding type 1 diabetes? Its increased prevalence is linked to the rise in obesity. Treatment is limited to the use of hypoglycemic medications. Treatment always involves insulin therapy. It has been diagnosed only in individuals over the age of 20.
answer
Treatment always involves insulin therapy.
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Hector, who has type 2 diabetes, is looking through the pantry for a snack. Using the glycemic index as a guide, identify which of the following is the BEST choice to help Hector maintain a more stable glucose level. (Glycemic index values are listed in parentheses.) Rice Krispies (82) jelly beans (78) white rice (56) kidney beans (28)
answer
kidney beans (28)
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Lactose intolerance is more common among African Americans than among Caucasian Americans. True False
answer
true
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The absorption of which monosaccharide does NOT require energy? fructose maltose galactose glucose
answer
fructose
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Insulin is synthesized and released by the: brain. liver. pancreas. gallbladder.
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pancreas.
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Which monosaccharide is the preferred source of energy for the brain? glucose fructose galactose glycogen
answer
glucose
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Which of the following has the most Calories in one tablespoon? sucrose honey molasses milk
answer
honey
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One class of enzymes that breaks down carbohydrates is: carbohydrase. lipase. pepsidase. amylase.
answer
amylase.
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In the absence of carbohydrate, ________ are produced from the incomplete breakdown of body fat. amyloses amylases ketones bacteria
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ketones
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Which of the following is a characteristic of type 1 diabetes? arises most commonly during adulthood insulin resistance or insensitivity often associated with obesity the least common form of diabetes
answer
the least common form of diabetes
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Which hormone works to lower blood glucose? glucagon insulin epinephrine cortisol
answer
insulin
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Why are most types of fiber indigestible in the human GI tract? The molecular structure of fiber is too highly coiled to be broken down. Fiber is too viscous to be digested by bacteria in the colon. Alpha bonds present in fiber are difficult for the body to break down. Beta bonds present in fiber are difficult for the body to break down.
answer
Beta bonds present in fiber are difficult for the body to break down.
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A disaccharide is formed by the chemical bonding of: two monosaccharides. two polysaccharides. one monosaccharide and one polysaccharide. two oligosaccharides.
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two monosaccharides.
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The primary function of liver glycogen is to: fuel the muscles. maintain blood glucose. provide energy for digestion. store fat.
answer
maintain blood glucose.
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Which of the following diets is associated with the development of ketosis? one that contains too much fat one that contains insufficient fat one that contains too much carbohydrate one that contains insufficient carbohydrate
answer
one that contains insufficient carbohydrate
question
Why is white wheat flour a less nutritious choice than whole wheat flour? White wheat flour retains only a fraction of wheat's fiber, vitamins, and minerals. White wheat flour contains less endosperm than whole wheat flour. White wheat flour consists only of wheat germ. White wheat flour consists only of wheat bran.
answer
White wheat flour retains only a fraction of wheat's fiber, vitamins, and minerals.
question
Overconsumption of simple sugars causes hyperactivity and behavioral problems in children. True False
answer
False