10) Which of the following is a feature of vitamin E supplementation and physical
activity?
a.Some studies indicate that vitamin E supplementation for 3 weeks protects against the
development of sports anemia in women
b.Some studies show that vitamin E in high doses seems to protect against
exercise-induced oxidative stress whereas others show the opposite
c.Some studies show that vitamin E supplements improve aerobic performance by
25-30% in endurance athletes competing outdoors in air-polluted environments
d.Some studies show that high-dose vitamin E intake protects against premature
oxidation of conjugated linoleic acid supplements, which serve as a unique fuel for
strength athletes
11) A cancer that originates from bone is a(n)
a.sarcoma
b.carcinoma
c.osteocarcinoma
d.hematopoietic neoplasm
12) A clinical trial must involve
a.tissue cells in culture
b.rats or mice as subjects
c.human beings as subjects
d.computer modeling to design the study
13) What is the most likely explanation for the increased prevalence of obesity in
children over the past 30 years?
a.They eat more snacks
b.They sleep more hours
c.They consume more sugar and fat
d.They eat more and are less active physically
14) For people with diabetes, dietary guidelines include all of the following EXCEPT
a.sugar and sugar-containing foods need not be avoided