PNVN 1521 Vitamins UPDATED ACTUAL
Questions and CORRECT Answers
Functions of vitamins - CORRECT ANSWER - 1. Components of coenzymes
2. Antioxidants
3. Hormones that affect gene expression.
4. Components of cell membranes.
5. Components of the light- sensitive rhodopsin molecule in the eyes.
Fat soluble vitamins - CORRECT ANSWER - Vitamins A, D, E, K
Water soluble vitamins - CORRECT ANSWER - Vitamin B and C
Retinol - CORRECT ANSWER - Vitamin A
Function of Vitamin A - CORRECT ANSWER - vision, growth, tissue strength and
immunity
Food sources of Vitamin A - CORRECT ANSWER - Food products of animal origin
Yellow, orange, or deep, dark green fruits or leafy vegetables
Calciferol - CORRECT ANSWER - Vitamin D
Function of Vitamin D - CORRECT ANSWER - Maintain calcium and phosphorus
homeostasis; calcification of bones and teeth growth
Food sources of Vitamin D - CORRECT ANSWER - Fatty fish; fortified foods (milk)
, Functions of Vitamin K - CORRECT ANSWER - blood clotting and bone development
Food sources of Vitamin K - CORRECT ANSWER - green leafy vegetables
Tocopherol - CORRECT ANSWER - Vitamin E
Function of Vitamin E - CORRECT ANSWER - Antioxidant; immune function and cell
signaling that drives gene expression
Food sources of Vitamin E - CORRECT ANSWER - vegetable oils (wheat germ,
soybean, safflower), nuts, seeds, and fortified cereals
Ascorbic Acid - CORRECT ANSWER - Vitamin C
Functions of Vitamin C - CORRECT ANSWER - Antioxidant; collagen synthesis; helps
prepare iron for absorption and release to tissues for RBC formation; metabollism
Food sources of Vitamin C - CORRECT ANSWER - Citrus fruits, kiwi, tomatoes,
strawberries, peppers, pineapple
Thiamine - CORRECT ANSWER - Vitamin B1
Function of Vitamin B1 - CORRECT ANSWER - normal growth; coenzyme in the
carbohydrate metabolism; normal function of heart, nerves, and muscle
Food Sources of Vitamin B1 - CORRECT ANSWER - Pork, whole grains, enriched
cereals, legumes, yeast
Riboflavin - CORRECT ANSWER - Vitamin B2
Questions and CORRECT Answers
Functions of vitamins - CORRECT ANSWER - 1. Components of coenzymes
2. Antioxidants
3. Hormones that affect gene expression.
4. Components of cell membranes.
5. Components of the light- sensitive rhodopsin molecule in the eyes.
Fat soluble vitamins - CORRECT ANSWER - Vitamins A, D, E, K
Water soluble vitamins - CORRECT ANSWER - Vitamin B and C
Retinol - CORRECT ANSWER - Vitamin A
Function of Vitamin A - CORRECT ANSWER - vision, growth, tissue strength and
immunity
Food sources of Vitamin A - CORRECT ANSWER - Food products of animal origin
Yellow, orange, or deep, dark green fruits or leafy vegetables
Calciferol - CORRECT ANSWER - Vitamin D
Function of Vitamin D - CORRECT ANSWER - Maintain calcium and phosphorus
homeostasis; calcification of bones and teeth growth
Food sources of Vitamin D - CORRECT ANSWER - Fatty fish; fortified foods (milk)
, Functions of Vitamin K - CORRECT ANSWER - blood clotting and bone development
Food sources of Vitamin K - CORRECT ANSWER - green leafy vegetables
Tocopherol - CORRECT ANSWER - Vitamin E
Function of Vitamin E - CORRECT ANSWER - Antioxidant; immune function and cell
signaling that drives gene expression
Food sources of Vitamin E - CORRECT ANSWER - vegetable oils (wheat germ,
soybean, safflower), nuts, seeds, and fortified cereals
Ascorbic Acid - CORRECT ANSWER - Vitamin C
Functions of Vitamin C - CORRECT ANSWER - Antioxidant; collagen synthesis; helps
prepare iron for absorption and release to tissues for RBC formation; metabollism
Food sources of Vitamin C - CORRECT ANSWER - Citrus fruits, kiwi, tomatoes,
strawberries, peppers, pineapple
Thiamine - CORRECT ANSWER - Vitamin B1
Function of Vitamin B1 - CORRECT ANSWER - normal growth; coenzyme in the
carbohydrate metabolism; normal function of heart, nerves, and muscle
Food Sources of Vitamin B1 - CORRECT ANSWER - Pork, whole grains, enriched
cereals, legumes, yeast
Riboflavin - CORRECT ANSWER - Vitamin B2
