1) Chronic excess alcohol intake leads to all of the following effects on folate EXCEPT
a.the small intestine recycles more folate
b.the liver releases more folate into the blood
c.the kidneys excrete more folate via the urine
d.the small intestine absorbs less folate from the diet
2) Which of the following is a characteristic of free radicals?
a.They are destroyed by cigarette smoking
b.They arise from normal metabolic reactions
c.They typically stop chain reactions associated with the production of peroxides
d.They are known to accumulate even in the presence of abundant antioxidant nutrients
3) Under normal circumstances, what is the average percentage of dietary iron that is
absorbed from a mixed diet?
a.10
b.18
c.33
d.60
4) Jim, a college baseball player, tells you that he has started to take glutamine
supplements. How would you advise him?
a.As long as he keeps the dose under 10 g/day, the benefits outweigh the costs
b.Since he plays baseball, he should consider taking alanine supplements instead
c.Since he plays baseball, he should consider taking tryptophan supplements instead
d.Since single amino acids do not occur naturally in foods, they offer no benefit to the
body and may even be harmful
5) Common symptoms of foodborne illness caused by the Salmonella organism include
all of the following EXCEPT
a.diarrhea