Which of the following is an active form of vitamin A in the body?
1.Rhodopsin
2.Beta-carotene
3.Retinol
4.Retin-A
5.None of these choices
3
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Overall, diets of children and adolescents in the United States tend to provide too little _____
a. calcium b. protein c. vitamin C d. vitamin K e. vitamin B6
What are the known consequences of taking a single two-tablet dose of aspirin?
A) It inhibits monoamine oxidase activity B) It doubles the bleeding time of wounds C) It increases production of prostaglandins that enhance fever D) It is excreted very rapidly in people taking vitamin C supplements
The food advertisements in magazines and on television have
A. helped consumers make healthy food choices. B. encouraged consumers to eat more fruits and vegetables. C. pressured consumers to buy more sweetened beverages and snacks. D. reduced consumers' intake of high-fat items.
Which of the following is a major function of protein in the human body?
a. Maintaining fluid balance b. Growth and maintenance of new tissue c. Synthesis of hormones d. All options are correct