Define antioxidant
What will be an ideal response?
Oxidation inhibiting substance.
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Which of the following is NOT necessary for the x-ray log?
a. body part to be x-rayed c. developing method b. thickness of body part in cm d. date
Which of the following events in the chloride shift occurs last?
A. CO2 and H2O ? H2CO3 B. Carbonic acid dissociates to form bicarbonate and H+. C. Carbonic acid dissociates to form water and CO2. D. Bicarbonate ions diffuse into the plasma. E. Carbon dioxide diffuses into a red blood cell.
Which of the following is a yellow-orange skin pigment?
A) melanin B) cyanide C) hemoglobin D) carotene
Which of the following would increase resistance to blood flow?
A. a decrease in the length of the vessel B. a decrease in the number of red blood cells C. a decrease in blood viscosity D. a decrease in the radius of the vessel E. a decreased hematocrit