What is the most realistic advice for reducing lead exposure from the tap water used to prepare infant formula?
a. Because the lead in hot water pipes settles out overnight, draw the water from this source first
b. Whenever possible, boil the water to vaporize the lead and thus decrease the amount remaining in the water
c. Because the first water drawn from the tap each day is highest in lead, let the water run a few minutes before using it
d. To inhibit lead absorption, add a small amount of citrus juice to the water to provide citric acid to complex with the lead
c
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Which of the following statements is false?
A. Marbling in muscle appears as little white streaks or drops. B. The animal's age, diet, and species affect the texture of fat. C. Fat is white in younger animals and turns progressively more yellow in color as the animals age. D. Feeding swine a diet containing fats that are primarily saturated will yield pork fat that is harder as compared to that from animals fed more polyunsaturated fats. E. Lamb fat is very different from the hard, more brittle, and dense fat observed in beef.
How does the shape of proteins in muscle fibers affect their function?
A) They are wide, giving muscle fibers great tensile strength. B) They are short, helping muscle fibers build up in response to weight-bearing exercise. C) They are globular and can change shape to increase muscle mass. D) They are long, allowing muscle fibers to contract and relax.
Mr. Kim asks you about an article he recently read about the benefits of coffee consumption in fatty liver disease. What recommendations might you give him?
What will be an ideal response?
All of the following foods contain active vitamin A except: a. fortified cereal. b. milk
c. liver. d. fish oils. e. french fries.