Chapter 10 Clicker Questions Chapter 10: Nutrients Involved in Antioxidant Function and Vision © 2017 Pearson Education, Inc Oxidation is best described as a process in which a) b) c) d) © 2017 Pearson Education, Inc a carcinogen causes a mutation in a stem cell's DNA an atom loses an electron two atoms exchange electrons a complex compound is broken apart with the addition of water Oxidation is best described as a process in which a) b) c) d) © 2017 Pearson Education, Inc a carcinogen causes a mutation in a stem cell's DNA an atom loses an electron two atoms exchange electrons a complex compound is broken apart with the addition of water Which of the following is a characteristic of vitamin E? a) b) c) d) It enhances the absorption of iron It can be manufactured from beta-carotene It is a critical component of the glutathione peroxidase system It protects the lipid molecules in cell membranes from oxidation © 2017 Pearson Education, Inc Which of the following is a characteristic of vitamin E? a) b) c) d) © 2017 Pearson Education, Inc It enhances the absorption of iron It can be manufactured from beta-carotene It is a critical component of the glutathione peroxidase system It protects the lipid molecules in cell membranes from oxidation Which of the following is a critical function of vitamin C? a) b) c) d) © 2017 Pearson Education, Inc It is required for the formation of collagen It regenerates glutathione to its antioxidant form It reduces the incidence, duration, and severity of the common cold It promotes the conversion of beta-carotene to vitamin A Which of the following is a critical function of vitamin C? a) b) c) d) © 2017 Pearson Education, Inc It is required for the formation of collagen It regenerates glutathione to its antioxidant form It reduces the incidence, duration, and severity of the common cold It promotes the conversion of beta-carotene to vitamin A Which of the following trace minerals is part of the structure of catalase? a) b) c) d) © 2017 Pearson Education, Inc iodine iron copper manganese Which of the following trace minerals is part of the structure of catalase? a) b) c) d) © 2017 Pearson Education, Inc iodine iron copper manganese Beta-carotene is a) b) c) d) © 2017 Pearson Education, Inc a weak antioxidant phytochemical a carotenoid a provitamin for vitamin A all of the above Beta-carotene is a) b) c) d) © 2017 Pearson Education, Inc a weak antioxidant phytochemical a carotenoid a provitamin for vitamin A all of the above Vitamin A a) participates in the conversion of iodopsin to rhodopsin, a key step in both black-and-white and color vision b) c) opposes oxidation of the pigment in rod cells during the bleaching process is a key component of the pigment in rod cells that enables us to perceive black-and-white images d) © 2017 Pearson Education, Inc is a key player in the process by which humans see in the dark Vitamin A a) participates in the conversion of iodopsin to rhodopsin, a key step in both black-and-white and color vision b) c) opposes oxidation of the pigment in rod cells during the bleaching process is a key component of the pigment in rod cells that enables us to perceive blackand-white images d) © 2017 Pearson Education, Inc is a key player in the process by which humans see in the dark Deficiency of vitamin A is associated with a) b) c) d) © 2017 Pearson Education, Inc scurvy and anemia erythrocyte hemolysis and impaired movement xerophthalmia and hyperkeratosis carotenosis and carotenodermia Deficiency of vitamin A is associated with a) b) c) d) © 2017 Pearson Education, Inc scurvy and anemia erythrocyte hemolysis and impaired movement xerophthalmia and hyperkeratosis carotenosis and carotenodermia Within a year or two of its initiation, cancer develops to the point at which it is able to a) b) c) d) © 2017 Pearson Education, Inc invade surrounding tissues establish its own blood supply release malignant cells into the blood or lymph none of the above is true Within a year or two of its initiation, cancer develops to the point at which it is able to a) b) c) d) © 2017 Pearson Education, Inc invade surrounding tissues establish its own blood supply release malignant cells into the blood or lymph none of the above is true The modifiable factor that most significantly increases the risk for cancer is a) b) c) d) © 2017 Pearson Education, Inc random mutation heredity tobacco use poor nutrition The modifiable factor that most significantly increases the risk for cancer is a) b) c) d) © 2017 Pearson Education, Inc random mutation heredity tobacco use poor nutrition A diet rich in antioxidant nutrients may help reduce the risk for CVD by a) b) c) d) © 2017 Pearson Education, Inc causing body cells with mutated DNA to self-repair or self-destruct protecting endothelial cell membranes and reducing inflammation and coagulation promoting the synthesis of homocysteine and CRP all of the above A diet rich in antioxidant nutrients may help reduce the risk for CVD by a) b) causing body cells with mutated DNA to self-repair or self-destruct protecting endothelial cell membranes and reducing inflammation and coagulation c) d) © 2017 Pearson Education, Inc promoting the synthesis of homocysteine and CRP all of the above ... form It reduces the incidence, duration, and severity of the common cold It promotes the conversion of beta-carotene to vitamin A Which of the following is a critical function of vitamin C? a)... of the following trace minerals is part of the structure of catalase? a) b) c) d) © 2017 Pearson Education, Inc iodine iron copper manganese Which of the following trace minerals is part of the. .. reducing inflammation and coagulation promoting the synthesis of homocysteine and CRP all of the above A diet rich in antioxidant nutrients may help reduce the risk for CVD by a) b) causing body