9) Which statement describes a feature of trans-fatty acids?
a. In nature, most double bonds are trans.
b. Hydrogenation converts trans-fatty acids to cis-fatty acids.
c. The conversion of cis-fatty acids to trans-fatty acids is inhibited by the presence of
antioxidants.
d. In the body, trans-fatty acids are metabolized more like saturated fats than like
unsaturated fats.
e. The hydrogen atoms are located on the same side of a double bond.
10) Which of the following is a characteristic of nutrition and cataract formation?
a. Obese and lean people have the same risk for cataracts.
b. Adequate intakes of biotin and inositol seem to delay the onset of cataract formation.
c. Nutrition seems to play little, if any, role in the onset of cataracts.
d. Vitamin C supplements in doses of 1,000 mg for several years appear to raise the risk
for cataracts.
e. Antioxidant supplements appear to slow the progression of cataracts.
11) What is the life expectancy of black males and females in the United States?
a. 72 (males), 78 years (females)
b. 78 (males), 85 years (females)
c. 81 (males), 86 years (females)
d. 85 (males), 89 years (females)
e. 90 (males), 93 years (females)