BIOD 121 (portage): Module 4 Problem Set

BIOD 121 (portage): Module 4 Problem Set Heme iron Answer- iron found in animal flesh in the form of hemoglobin or myoglobin Nonheme iron Answer- elemental iron which form of iron is more readily absorbed by the body? Answer- heme iron what 2 hormones help prevent dehydration? Answer- antiduretic hormone and aldosterone antiduretic hormone (ADH) Answer- released by the pituitary gland to signal the kidney to conserve water aldosterone Answer- released from the adrenal glands signaling the kidney to retain sodium also leads to water retenetion what is bioavailability? Answer- the degree to which a nutrient is absorbed and available to be used by the body when water moves from inside the cell to outside the cell it does so by which process? Answer- osmosis An antioxidant found in cell membranes that decreases the risk for cancer and cell damage is _____________. Answer- vitamin E What can be done to help the body absorb more iron? Answer- combining nonheme iron with heme iron or vitamin C non heme iron can aid in absorption It is important for women who may be pregnant or who are planning on becoming pregnant to discuss their folate intake with their doctor. Why or why not? Answer- in pregnant women a deficiency of folate can result in neural tube defects when water is inside of a cell it is part of the ________________ fluid. Answer- intracellular