Nursing 3100 Exam 2 Study Questions & Answers 100% Correct(SCORED A+)

1. List 10 excellent food sources (with high bioavailability) and 10 poor food sources of zinc - ANSWERGood: Legumes, Beans, Meats, Peas, Seafoods (crab meat), Oysters, Steaks, Bran cereals fortified with Zinc Bad: Yogurt, Milk 1. List 10 excellent food sources (with high bioavailability) and 10 poor food sources of iron - ANSWERGood: Meat, Fish , Poultry (highest bioavailability) Spinach, Oysters, Legumes, Oysters 1. List 10 excellent food sources (with high bioavailability) and 10 poor food sources of magnesium - ANSWERGood: Tofu, Chili with beans, Wheat Germ, Cashews, Salmon, Choco chips, Bran Cereal, Spinich (raw), Milk Bad: Oranges, Iceberg Lettuce, Poultry, Fish 2. Impaired zinc absorption is related to disease of which organ? What ligand, synthesized and released from this organ, helps zinc to be absorbed? Where else is this ligand found? - ANSWERThe pancraes synthesizes a Zn binding ligand (ZBL) called Picolinic Acid. This assists in the absorption of Zn into the body. Zinc is recycled Picolinic acid is also found in breast milk and is a sufficient source for the child for about 6 months. After this time, the child will need to begin eating meats 3. List 4 functions of zinc in the body - ANSWERCofactor in Proteolytic Enzyme production (breaks proteins into amino acids) Acid/base balance Breaks down pyruvate into lactate (glycolosis) Helps for lactose intolerance Immune functions and wound healing 4. List 2 common sequelae of zinc deficiency in adults. - ANSWERHypogonadism Dwarfism Impaired wound healing Acrodermatitis enteropathica- dry scaly skin (deficiency ZBL) hypogeusia/hyposmia (taste, smell)