Before World War II, most of the gains in life expectancy in the United States were due to public health advances
a. True
b. False
Indicate whether the statement is true or false
True
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Which of the following defines a subclinical deficiency?
a. A nutrient deficiency caused by inadequate dietary intake of a nutrient b. A nutrient deficiency caused by something like a disease condition or drug reaction that reduces absorption, accelerates use, hastens excretion, or destroys the nutrient c. A deficiency in the early stages, before the outward signs have appeared d. A deficiency that exhibits conflicting outward signs, requiring laboratory diagnosis e. An iron deficiency
Individuals likely to benefit the most from carbohydrate loading are those who participate in ________.
A. endurance events or exercise that lasts more than 90 minutes B. high-intensity exercise that lasts for about one hour C. strength-training events D. speed events or exercise of short duration
Which of the following is an example of a challenge that can deplete internal natural resources that are needed to produce food?
A. both land overuse and soil erosion B. land overuse C. soil erosion D. carbon dioxide gas emission from trucks transporting food from the farm to the supermarket
Denaturation refers to
A. digestion of a polypeptide chain into individual amino acids. B. joining of two amino acids to form a dipeptide. C. alteration of the three-dimensional structure of a protein. D. removal of the amino group from an amino acid.