A researcher has isolated an organic, water-soluble chemical from roses. After performing tests, the scientist determines that the chemical supplies no energy for cells, but protects cell membranes from being damaged by certain environmental factors. Based on this information, the researcher may have discovered a(an)
A. teratogen.
B. antioxidant.
C. amino acid.
D. free radical.
Answer: B
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Difficulties in getting accurate calculations of RMR based on the various equations developed arise in which group of people??
A) ?people with excess body fat B) ?people who are lean C) ?adolescents D) ?young adults
Alpha-linolenic acid is classified as what type of fatty acid?
A) a monounsaturated, omega-6 fatty acid. B) a monounsaturated, omega-3 fatty acid. C) a polyunsaturated, omega-6 fatty acid. D) a polyunsaturated, omega-3 fatty acid.
Mrs. Winslow is receiving TPN. Today's lab work shows that her triglyceride level is 500 mg/dL. The nurse recognizes that:
a. the TPN should be stopped immediately. b. the dextrose concentration of the TPN solution should be decreased. c. the rate of the TPN should be decreased. d. the infusion of lipids should be reduced or stopped.
Plant-based sources of protein may be less bioavailable
a. True b. False Indicate whether the statement is true or false