Explain vitamin D's role in bone health, including the specifics of the mechanisms employed to achieve this goal
?Vitamin D is responsible for maintaining blood concentrations of calcium and phosphorus. Vitamin D does this by increasing mineral absorption in the digestive tract, increasing reabsorption of these minerals by the kidney, and mobilization of these minerals from existing bone.
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The physiological anemia of pregnancy is a result of ________.
a. an increase in the mother's blood volume b. a decrease in the mother's iron absorption c. a decrease in the mother's water consumption d. a decrease in the mother's red blood cell production
Kristin has heard that butter is a rich source of saturated fatty acids and, therefore, she is trying to avoid butter in her diet. In the supermarket, she sees margarine and reads on the label that margarine is not a source of saturated fatty acids. Kristin should use the margarine, instead of butter, because it is a healthier source of fat that may promote optimal health and physical activity performance.
Answer the following statement true (T) or false (F)
Which of the following statements is a drawback of Estimated Average Requirement (EAR) values?
A) They cannot be used in research and public health settings to evaluate adequate nutrient intake. B) They do not meet the needs of even half the population in a given life-stage group. C) They are only available for nutrients for which there is insufficient information. D) They cannot be used to evaluate dietary intakes of individuals.
At SMR stage _____, sexual maturation has concluded
a. 1 b. 2 c. 3 d. 4 e. 5