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Author Question: List two advantages and two disadvantages of each of the four methods of obtaining food intake ... (Read 85 times)

KimWrice

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on: Aug 21, 2018
List two advantages and two disadvantages of each of the four methods of obtaining food intake data.

Question 2

What best describes iron nutrition in vegetarians?
 A) The iron RDA for vegetarians is higher than for others.
  B) Iron utilization is inhibited by the high zinc content in grains.
  C) The absorption of iron is low due to the high vitamin C intake.
  D) More iron deficiency is found in vegetarians than in people eating a mixed diet.


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31809pancho

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Reply #1 on: Aug 21, 2018
Answer to Question 1

The 24-hour dietary recall does not influence dietary choices and the information is obtained quickly, but the process relies on memory and food items that are embarrassing may be omitted. A food-frequency questionnaire is not affected by day-to-day variability and it is inexpensive, but food lists often include common foods only and calculated nutrient intakes may not be accurate. The food record process records foods as they are consumed and is useful for controlling intake, but portion size errors are common and the process is time consuming. Direct observation does not rely on memory and does not influence food intake, but it is labor intensive and it is only available in residential situations.

Answer to Question 2

A


KimWrice

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Reply #2 on: Aug 21, 2018
TY


31809pancho

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Reply #3 on: Aug 21, 2018
You're welcome


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