Which of the following is a feature of bone metabolism?
a. Cortical bone mass alone is diagnostic of osteoporosis
b. Trabecular bone is the chief supplier of blood calcium on a low-calcium diet
c. The strongest predictor of bone density is calcium intake during the third decade of life
d. Bone density of former smokers never achieves the level found in people who never smoked
b
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What is the RDA for vitamin D for a 20-year-old person?
a. 5 ?g b. 10 ?g c. 15 ?g d. 20 ?g e. 50 ?g
What is a feature of niacin nutrition??
A) ?Low doses may lead to kidney stones. B) ?High doses may lower blood cholesterol. C) ?Low doses may lead to heartburn and low blood pressure. D) ?High doses may elevate red blood cell count in mildly anemic individuals.
The diet of a lactating mother should include extra:
a. fat and calories. b. protein and fluids. c. vitamin D only. d. carbohydrates only.
When measuring growth in infants, you should do all the following EXCEPT _____ to avoid measurement errors
a. use measurement equipment that has been recently calibrated b. confirm the scale is on zero before starting c. make sure the infant has a diaper on to keep surfaces clean d. make sure that neither hips nor knees are bent e. measure the heel with the foot flat against a foot board