Chapter 12 Clicker Questions Chapter 12: Nutrients Involved in Blood Health and Immunity © 2017 Pearson Education, Inc Erythrocytes a) are essential for the transport of glucose, albumin, and many other solutes throughout the body b) lack a nucleus and mitochondria, and are filled with hemoglobin, which is essential for oxygen transport c) d) are involved in both non-specific and specific immunity are produced in the liver, whereas leukocytes and platelets are produced in the bone marrow © 2017 Pearson Education, Inc Erythrocytes a) are essential for the transport of glucose, albumin, and many other solutes throughout the body b) lack a nucleus and mitochondria, and are filled with hemoglobin, which is essential for oxygen transport c) d) are involved in both non-specific and specific immunity are produced in the liver, whereas leukocytes and platelets are produced in the bone marrow © 2017 Pearson Education, Inc Which of the following statements about iron is true? a) b) c) d) © 2017 Pearson Education, Inc Every molecule of hemoglobin contains one atom of iron Iron is a component of hemoglobin, the oxygen-transport protein within red blood cells Iron in myoglobin accounts for about one-third of total iron in the body All of these statements are true Which of the following statements about iron is true? a) b) Every molecule of hemoglobin contains one atom of iron Iron is a component of hemoglobin, the oxygen-transport protein within red blood cells c) d) © 2017 Pearson Education, Inc Iron in myoglobin accounts for about one-third of total iron in the body All of these statements are true Jenna is an ovo-lacto vegetarian concerned about her iron intake From which of the following breakfasts is she likely to absorb the greatest percentage of iron? a) b) c) a bowl of iron-fortified cereal with cow's milk, and a cup of coffee a bowl of iron-fortified cereal with soy milk, and a cup of tea an iron-fortified breakfast bar with a glass of orange juice d) © 2017 Pearson Education, Inc a cheese croissant and a diet coke Jenna is an ovo-lacto vegetarian concerned about her iron intake From which of the following breakfasts is she likely to absorb the greatest percentage of iron? a) b) c) d) © 2017 Pearson Education, Inc a bowl of iron-fortified cereal with cow's milk, and a cup of coffee a bowl of iron-fortified cereal with soy milk, and a cup of tea an iron-fortified breakfast bar with a glass of orange juice a cheese croissant and a diet coke A classic sign of stage I iron-deficiency is a) b) c) d) © 2017 Pearson Education, Inc reduced levels of circulating ferritin a significantly elevated total iron binding capacity smaller than normal red blood cells that are pale in color exhaustion, impaired cognitive functions, and increased risk for infection A classic sign of stage I iron-deficiency is a) b) c) d) © 2017 Pearson Education, Inc reduced levels of circulating ferritin a significantly elevated total iron binding capacity smaller than normal red blood cells that are pale in color exhaustion, impaired cognitive functions, and increased risk for infection Zinc plays an important role in a) b) c) d) © 2017 Pearson Education, Inc heme synthesis maintaining the structural integrity of iron preventing copper deficiency reducing the risk for pernicious anemia Zinc plays an important role in a) b) c) d) © 2017 Pearson Education, Inc heme synthesis maintaining the structural integrity of iron preventing copper deficiency reducing the risk for pernicious anemia Good food sources of copper include a) b) c) d) © 2017 Pearson Education, Inc green, leafy vegetables and fortified grain products green, leafy vegetables and dairy products red, orange, and yellow fruits and vegetables organ meats, seafood, nuts, and seeds Good food sources of copper include a) b) c) d) © 2017 Pearson Education, Inc green, leafy vegetables and fortified grain products green, leafy vegetables and dairy products red, orange, and yellow fruits and vegetables organ meats, seafood, nuts, and seeds The physiologic function most closely associated with vitamin K is a) b) c) d) © 2017 Pearson Education, Inc synthesis of heme blood clotting formation of the embryonic neural tube maintenance of the myelin sheath The physiologic function most closely associated with vitamin K is a) b) c) d) © 2017 Pearson Education, Inc synthesis of heme blood clotting formation of the embryonic neural tube maintenance of the myelin sheath Vitamin B6, folate, and vitamin B12 are all required for a) b) c) d) © 2017 Pearson Education, Inc the formation of the porphyrin rings in heme the function of platelets erythropoiesis hemochromatosis Vitamin B6, folate, and vitamin B12 are all required for a) b) c) d) © 2017 Pearson Education, Inc the formation of the porphyrin rings in heme the function of platelets erythropoiesis hemochromatosis Which of the following cells produce antibodies involved in specific immune responses? a) b) c) d) © 2017 Pearson Education, Inc plasma cells NK cells macrophages neutrophils Which of the following cells produce antibodies involved in specific immune responses? a) b) c) d) © 2017 Pearson Education, Inc plasma cells NK cells macrophages neutrophils A sensitive indicator of reduced nutritional status is a) b) c) d) © 2017 Pearson Education, Inc nausea and vomiting fatigue and weakness inflammation decreased immunocompetence A sensitive indicator of reduced nutritional status is a) b) c) d) © 2017 Pearson Education, Inc nausea and vomiting fatigue and weakness inflammation decreased immunocompetence ... From which of the following breakfasts is she likely to absorb the greatest percentage of iron? a) b) c) a bowl of iron-fortified cereal with cow's milk, and a cup of coffee a bowl of iron-fortified... iron in the body All of these statements are true Which of the following statements about iron is true? a) b) Every molecule of hemoglobin contains one atom of iron Iron is a component of hemoglobin,... of the following breakfasts is she likely to absorb the greatest percentage of iron? a) b) c) d) © 2017 Pearson Education, Inc a bowl of iron-fortified cereal with cow's milk, and a cup of coffee