Nonpathogenic bacteria in the intestinal tract perform all of the following functions except:
a. degrade undigested or unabsorbed dietary carbohydrate.
b. produce certain vitamins.
c. prevent invasion of tissues by pathogenic bacteria.
d. stimulate the production of proteins.
d
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The RDAs are considered to be adequate to meet the known nutritional needs of
A. all persons except pregnant and lactating women. B. nearly all healthy persons. C. all persons, diseased and healthy. D. all persons except the very young and very old.
Inflammation of the joints resulting from constant friction between the bones due to cartilage depletion is known as rheumatoid arthritis
Indicate whether the statement is true or false
Caffeine is such a powerful diuretic that athletes and sedentary people should not count caffeinated beverages as part of their fluid intake
Indicate whether the statement is true or false
Which of the following is a valid reason for consuming vitamin and mineral supplements?
A) Behavioral problems B) Obesity C) Sexual dysfunction D) Stress E) None of the above