front 1 The molecule that serves as the major source of readily available fuel for neurons and blood
| back 1 B) glucose |
front 2 Peptides called NPY and AgRP ________. | back 2 D) are powerful appetite enhancers |
front 3 Dietary fats are important because ________. | back 3 B) they help the body absorb fat-soluble vitamins |
front 4 Cholesterol, while it is not an energy molecule, has importance in the body because ________. | back 4 A) it is a stabilizing component of the plasma membranes and is the parent molecule of
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front 5 Which of the following statements best describes complete protein? | back 5 D) must meet all the bodyʹs amino acid requirements for maintenance and growth |
front 6 The term metabolism is best defined as ________. | back 6 D) biochemical reactions involved in building cell molecules or breaking down molecules
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front 7 The term metabolic rate includes ________. | back 7 A) the total heat produced by the body |
front 8 When proteins undergo deamination, the waste substance found in the urine is
| back 8 A) urea |
front 9 It is important to ensure that your diet is adequately rich in vitamins because ________. | back 9 C) most vitamins are coenzymes needed to help the body utilize essential nutrients |
front 10 Oxidation-reduction reactions are catalyzed by which of the following enzymes? | back 10 A) dehydrogenases and oxidases |
front 11 A diet rich in minerals would include which of the following foods? | back 11 C) legumes, milk, and pork |
front 12 Anabolism includes reactions in which ________. | back 12 B) larger molecules or structures are built from smaller ones |
front 13 Catabolism would be best described as a processes that ________. | back 13 C) breaks down complex structures to simpler ones |
front 14 The primary function of cellular respiration is to ________. | back 14 D) break down food molecules and generate ATP |
front 15 The process of breaking triglycerides down into glycerol and fatty acids is known as ________. | back 15 D) lipolysis |
front 16 Which of the following mechanisms produces the most ATP during cellular respiration? | back 16 A) oxidative phosphorylation |
front 17 Lipogenesis occurs when ________. | back 17 D) cellular ATP and glucose levels are high |
front 18 Oxidative deamination takes place in the ________. | back 18 A) liver |
front 19 Transamination is the process whereby the amine group of an amino acid is ________. | back 19 C) transferred to a keto acid |
front 20 Glycogen is formed in the liver during the ________. | back 20 B) absorptive state |
front 21 Which of the following is a normal consequence of the activation of the heat-promoting
| back 21 A) release of epinephrine |
front 22 Gluconeogenesis is the process in which ________. | back 22 B) glucose is formed from noncarbohydrate precursors |
front 23 Glycolysis is best defined as a catabolic reaction based upon the ________. | back 23 B) conversion of glucose into two molecules of pyruvic acid |
front 24 Among the conditions required for measuring the basal metabolic rate is ________. | back 24 C) keeping the room temperature between 20 and 25 degrees C |
front 25 The primary function of carbohydrates is ________. | back 25 C) energy production within cells |
front 26 In the case of a person who consumes a normal, balanced diet, proteins are essential to the
| back 26 A) production of energy |
front 27 The most abundant dietary lipids are ________. | back 27 D) triglycerides |
front 28 Loss of heat in the form of infrared waves is termed ________. | back 28 A) radiation |
front 29 In carbohydrate metabolism, the carbohydrates ________. | back 29 A) are converted into fat if present in excess |
front 30 Prostaglandins play a role in ________. | back 30 D) control of blood pressure |
front 31 Vitamins are organic compounds. They ________. | back 31 C) often function as coenzymes to assist in catalysis |
front 32 As the body progresses from the absorptive to the postabsorptive state, only the ________
| back 32 B) brain |
front 33 In gluconeogenesis, during the postabsorptive state, amino acids and ________ are converted
| back 33 A) glycerol |
front 34 In the liver, the amine group of glutamic acid is removed as ________ in the oxidative state. | back 34 C) ammonia |
front 35 Which of the following is most correct? | back 35 A) Saturated fats stimulate the liver to synthesize cholesterol. |
front 36 Heat-loss mechanisms do not include ________. | back 36 D) vasoconstriction of peripheral blood vessels |
front 37 The amount of ________ produced is probably the most important hormonal factor in
| back 37 B) thyroxine |
front 38 When ketone bodies are present in the blood and urine in large amounts, it usually indicates
| back 38 B) fatty acids |
front 39 Many factors influence BMR. What is the most critical factor? | back 39 C) the ratio of surface area to volume (weight) of the body |
front 40 The primary reason elderly people should decrease their caloric intake is that ________. | back 40 A) muscle mass and metabolism decline with age |
front 41 The primary reason the elderly seem to have more negative nutrition-related effects from
| back 41 D) medications taken for many age-related disorders interfere with nutrient absorption |
front 42 Which of the following statements is true regarding the use of mineral oil as a laxative? | back 42 A) It interferes with the absorption of fat-soluble minerals. |
front 43 While the amount of protein required in the diet varies depending on age, size, and needs, the
| back 43 B) 0.8 g/kg body weight |
front 44 Which of the following nutrients yield the highest amount of energy per gram when
| back 44 A) fats |
front 45 Which of the following does not occur in the mitochondria? | back 45 B) glycolysis |
front 46 Which of the following is not true of beta oxidation? | back 46 C) It involves the anabolism of fats. |
front 47 Select the correct statement about proteins | back 47 C) Proteins will be used by most cells for ATP synthesis if insufficient carbohydrates are
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front 48 Oxidation reduction reactions ________. | back 48 B) may involve the loss of hydrogen and electrons |
front 49 Vitamin ________ is present in the body as coenzyme FAD and FMN and is a component of
| back 49 D) B2 |
front 50 The ʺpickupʺ molecule for the Krebs cycle is ________ acid. | back 50 C) oxaloacetic |
front 51 Which of the following is correct? | back 51 B) Oxidation of FADH2 eventually yields four ATP via oxidative phosphorylation |
front 52 Which of the following is correct? | back 52 C) Lipogenesis is triglyceride synthesis. |
front 53 Which of the following food groups are considered good sources of complete proteins? | back 53 D) eggs, milk, yogurt, meat, and fish |
front 54 Conditions that promote the oxidative deamination and energy use of amino acids include
| back 54 C) excessive amounts of protein in the diet |
front 55 When a personʹs hypothalamic thermostat is set to a higher level and the actual body
| back 55 D) shiver |
front 56 Select the correct statement | back 56 B) Cellular respiration is a catabolic process |
front 57 The liver synthesizes lipoproteins for cholesterol transport. Select the other function(s) of the
| back 57 A) synthesizes a component essential for blood clotting |
front 58 Glucose can be obtained from ________. | back 58 A) glycogenolysis |
front 59 Which is not a function of LDLs? | back 59 A) transport cholesterol from the peripheral tissues to the liver |
front 60 Which of the following best defines negative nitrogen balance? | back 60 A) Protein breakdown exceeds protein synthesis. |