20) Which of the following is a characteristic of pesticides on foods?
a.Pesticide residues on organic foods are similar to those on conventionally grown
foods
b.Pesticides are easier to remove from organic foods because of their greater water
solubility
c.Pesticide residues are substantially reduced by the use of unprocessed animal manures
used to grow leafy vegetables
d.Pesticide residues on the most contaminated produce in the U.S. food supply are
thought to pose only negligible risks
21) Which of the following is a feature of nut consumption and improved
cardiovascular health?
a.The benefit is unrelated to the phytochemical content
b.The benefit is unrelated to changes in LDL concentration
c.The benefit is found only from ingestion of a few types of nuts
d.The benefit may be related, in part, to the high content of monounsaturated fats and
low content of saturated fats
22) Which of the following is a feature of vitamin D nutrition in the elderly?
a.Most elderly receive near-RDA amounts of the vitamin
b.Aging reduces the kidneys ability to convert vitamin D to its active form
c.The RDA for vitamin D in the elderly is lower due to less excretion by the kidneys
d.Most elderly rely primarily on self-synthesis of the vitamin due to their greater time
spent outdoors
23) What is stevia?
a.An herb-derived sweetener
b.An FDA-approved sugar alcohol
c.A poorly digested polysaccharide
d.An inhibitor of lactase enzyme activity