Can protein supplements build muscle mass? Explain your answer
No; muscles grow in response to the demands placed on them either through use in daily life/one's occupation or through resistance training. An adequate, balanced diet supports this growth in response to use, but research has not demonstrated an advantage for supplements in addition to diet.
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The small red blood cells that characterize microcytic anemia do not contain enough hemoglobin to transport adequate oxygen or allow
A. aerobic respiration. B. adequate production of growth hormones. C. adequate transfer of electrons to produce energy. D. the production of plasma cells.
The placenta prevents arsenic from entering the embryo/fetus.
Answer the following statement true (T) or false (F)
Regarding use of calcium supplements, which of the following is true?
A. Intakes over 500 milligrams of calcium per dose may interfere with absorption of iron and zinc. B. For maximum absorbability, any form of calcium supplements should be taken between meals. C. Supplements containing oyster shell and dolomite are safe to use if they are labeled as "purified." D. Exceeding the RDA for calcium is beneficial for bone health.
The fact that one microgram of retinol and 12 micrograms of dietary beta-carotene are both equal to one retinol activity equivalent indicates that _____
a. retinol has greater activity than beta-carotene b. beta-carotene is not a significant dietary source of vitamin A c. toxicity is more likely to occur with beta-carotene than retinol d. beta-carotene is absorbed and converted less efficiently than retinoids e. most individuals would benefit from retinol supplements