Antioxidant enzyme systems act by __________.
Fill in the blank(s) with the appropriate word(s).
Ans: converting free radicals to less damaging substances
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After swallowing, in which order does food pass through the regions of the GI tract??
A) ?jejunum, duodenum, colon, ileum, rectum B) ?jejunum, ileum, duodenum, rectum, colon C) ?stomach, duodenum, jejunum, ileum, colon D) ?stomach, jejunum, duodenum, colon, ileum
Which dietary factor raises triglyceride levels?
a. high saturated fat intake b. low soluble fiber intake c. high protein intake d. low cholesterol intake e. high sodium intake
Which of the following substances is a nutrient that provides energy for humans?
A. Caffeine B. Fat C. Alcohol D. Vitamin D
Among the following, which is a powerful vasoconstrictor?
a. Angiotensin I b. Angiotensin II c. Aldosterone d. Renin e. Magnesium