Question

43. Which of the following impairs iron absorption? a tea b. phytates c. vitamin C da and b e. b and 44. Which of the following is the most potentially toxic of all vitamins? a. A b. E d. D 45. If you consume 3 cups from the milk group like the US Food Guide recommends, you are close to meeting your iron needs. a. True b. False malabsorption can bring about deficiencies of A, D, 46. Any disease that produces E, and K a. carbohydrate b. protein c. fat 47. A woman who is on a low-carb diet for weight loss may have difficulty maintaining an adequate level of the B vitamins (thiamin/riboflavin/niacin/folate). What foods being avoided in her diet are most likely the cause of this? a. grain foods and cereals b. fruits c. dairy products d. starchy vegetables like potatoes and com 48. By definition, a vitamin is all of the following except: a. non-essential nutrient b. needed in small amounts c. needed to perform a specific function d. an organic compound 49. What would you tell someone who does not meet the recommended intakes of the fat- soluble vitamins for one day? a. To supplement his diet with a vitamin-mineral supplement. b. To immediately increase his consumption of foods rich in A, D, E, and K c. Try to consume more fats to get the needed nutrients. d. To not be overly concerned as long as the diet as a whole provides average amounts that approximate the recommended intakes.

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Answer 1

43. d
Phyatate containing foods like cereals and grains, Calcium containing foods like milk and dairy products and polyphenols like tea , coffee , are the types of foods which hinder the absorption of Iron in the body.
44. d
Hypervitaminosis D is rare but very serious condition occuring due to the excessive amounts of Vitamin D in the body.

45. b

Milk does not contain Iron.
46. c
vitamin A,D, E and K are fat soluble vitamins.
47. a
Whole grains and cereals are the richest sources of Vitamin B.
Low carbohydrate diet usually skips grains and cereals.
48. a
Vitamins are essential nutrients.
49. d