Which of the following statements about antioxidants is TRUE?
A) A build-up of antioxidants is a risk factor for cancer.
B) The largest class of antioxidants are phospholipids in the cell membrane.
C) By donating an electron, antioxidants reduce free radicals.
D) Antioxidants reduce free radicals by removing an electron.
C
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A typical symptom of coronary heart disease is _____.
a. high blood pressure b. angina c. pallor d. jaundice e. sore throat
Maintenance of normal extracellular fluid volume depends largely on the extracellular concentration of ________ ions.
A. nitrogen B. iodide C. sodium D. hydride
Patients taking the NRTI didanosine should be told to
a. take it on an empty stomach. b. take it 2 hours before or 3 hours after a meal. c. avoid taking it with a high fat meal. d. avoid magnesium supplements while taking it.
The client with a major burn injury receives total parenteral nutrition (TPN). The expected outcome is to:
a. correct water and electrolyte imbalances. b. ensure adequate caloric and protein intake. c. provide supplemental vitamins and minerals. d. allow the gastrointestinal tract to rest.