Chapter 41 Questions

Chapter 41 Questions - Ch 41 Multiple Choice Identify the...

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Ch 41 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. The body is capable of catabolizing many substances as sources of energy. Which of the following would be used as an energy source only after the depletion of other sources? a. fat in adipose tissue b. glucose in the blood c. protein in muscle cells d. glycogen in muscle cells e. calcium phosphate in bone ____ 2. An animal that migrates great distances would obtain the greatest benefit from storing its energy as a. proteins. b. minerals. c. carbohydrates. d. amino acids. e. fats. ____ 3. Which one of the following statements about obesity is false ? a. The majority of the people in the United States are either obese or overweight. b. Obesity contributes to diabetes, cancer of the colon and breasts, and cardiovascular disease. c. Inheritance is a major factor in obesity. d. As adipose tissue increases, leptin blood levels rise. e. If a person's excess calories were stored as carbohydrates instead of fat, that person would weigh less. ____ 4. Some nutrients are considered "essential" in the diets of certain animals because a. only those animals use the nutrients. b. they are subunits of important polymers. c. they cannot be manufactured by the organism. d. they are necessary coenzymes. e. only some foods contain them. ____ 5. Which of the following is not one of the four classes of essential nutrients? a. essential sugars b. essential amino acids c. essential fatty acids d. essential vitamins e. essential minerals ____ 6. Animals require certain basic amino acids in their diet. An amino acid that is referred to as nonessential would be best described as one that a. can be made by the animal's body from other substances. b. is not used by the animal in biosynthesis. c. must be ingested in the diet. d. is less important than an essential amino acid. e. is not found in many proteins. ____ 7. Which of the following vitamins is incorrectly associated with its use? a. vitamin C—synthesis of connective tissue b. vitamin A—incorporated into the visual pigment of the eye c. vitamin D—calcium absorption and bone formation
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d. vitamin E—protection of membrane phospholipids from oxidation e. vitamin K—production of red blood cells ____ 8. Which of the following is a fat-soluble vitamin? a. vitamin A b. vitamin B 12 c. vitamin C d. iodine e. calcium ____ 9. Because they accumulate in the body, excess ingestion of which of the following can have toxic effects? a. fat-soluble vitamins b. water-soluble vitamins c. calcium and phosphorus d. proteins e. sugars ____ 10. Which of the following minerals is incorrectly associated with its use in animals? a.
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Chapter 41 Questions - Ch 41 Multiple Choice Identify the...

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