Which substance is involved in the clotting of blood?
a. Opsin
b. Fibrin
c. Collagen
d. Transferrin
e. Thyroxin
ANS: B
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People with type 1 diabetes need insulin because they ____
A) have become insulin resistant B) have developed hyperinsulinemia C) no longer synthesize sufficient insulin D) digest insulin with GI enzymes
According to researchers, two behaviors of teens that can lead to weight gain are:
a. skipping breakfast and eating fast food. b. staying up late and skipping school. c. holding down a job and skipping dinner. d. skipping breakfast and playing sports.
Which describes a true statement regarding medical food supplements? a. Supplements typically provide more than 1000kcal
b. Supplements are considered inexpensive to use. c. They are designed to promote weight loss. d. Supplements are convenient and do not require refrigeration. e. They supply 40 g of protein in 250 mL.
Scientists who investigate lifestyle factors that influence the prevalence of obesity among different population groups are conducting a(n) ________ study.
A. epidemiological B. technological C. in vitro D. pathological