Describe the three components of a health risk appraisal (HRA), and discuss the usefulness and limitations of this type of survey instrument
The three components of the HRA are the questionnaire, certain calculations that predict risk of disease, and an educational message or report. HRAs are used to alert individuals to any risky health behaviors that they engage in and to inform them how such behaviors might be modified, usually through a lifestyle modification program. A major limitation of the HRA is that it provides a "brief intervention" and should not be used as the sole source of nutrition education. The HRA is best when used as a screening tool that provides an opportunity for more nutrition education.
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The number of amino acids that are considered indispensable or essential is:
a. 9. b. 10. c. 12. d. 14.
All of the following are true regarding riboflavin EXCEPT:
a. it is destroyed by exposure to light. b. good sources include milk, yogurt, and cheese. c. it is toxic in high amounts. d. it assists the body in the release and use of energy from the macronutrients.
What is the advantage of the Flavr Savr tomato? a. It is a brighter red than regular tomatoes
b. It has a more robust flavor than regular tomatoes. c. It grows on a shorter vine than regular tomatoes. d. It ripens more slowly than regular tomatoes. e. It is resistant to drought and several natural pests.
In which approach are self-defined behavior change goals especially important?
a. health belief model b. diffusion of innovation model c. theory of trying d. motivational interviewing