The rate at and the extent to which a nutrient is absorbed and used is referred to as its ________ .
a. activity quotient
b. availability ratio
c. utility
d. bioactivity
e. bioavailability
Answer: e. bioavailability
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The mineral found in the body in the most abundance is
A. sodium. B. phosphorus. C. iron. D. calcium.
The large-diameter central veins are located near the ____
A) extremities B) heart C) liver D) lungs
Which of the following is true of clinical trials involving antioxidants among diabetics?
a. Results have not been promising. b. Antioxidants are effective in reducing complications among type 1 but not type 2 diabetics. c. Antioxidants are effective in reducing complications among type 2 but not type 1 diabetics. d. Antioxidants are effective in reducing complications among both type 1 and type 2 diabetics.
Which of the following statements about obesity is most accurate?
a. All obese persons experience premature deaths. b. A diet high in protein and low in fat and carbohydrate will not lead to obesity. c. Obesity is second only to tobacco use as the most significant cause of preventable death. d. Those who are obese are protected against social and economical discrimination.