1|Page: 2024/2025 Grade A+
ATI Nutrition Exam Questions and Correct
Answers & Latest Updated
Function of iron
o ::## it is responsible for hemoglobin formation/function, cellular oxidation of glucose,
antibody production, and collagen synthesis
Iron food sources
what increased the absorption of iron?
o ::## lean red meats, organ meat, egg yolks, whole grains, green leafy vegetables, beans,
raisins, peanut butter
Vit C increases absorption of iron (OJ, tomatoes)
What factors influence the body's need for protein
o ::## tissue growth needs
quality of the dietary protein
added needs due to illness
pregnancy/lactation
What is the difference between complete and incomplete proteins?
o ::## complete: generally from animals sources and contains all 9 essential amino acids
incomplete: generally from plants (grains, nuts, legumes, fruits, vegetables) and do not
contain all of the essential amino acids
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What is B12 and why is it important? What causes a deficiency?
o ::## water soluble vitamin AKA Cobalamin
- necessary for the production of RBC
- deficiency is causes pernicious anemia and is seen mosly in strict vegetarians and those
with the absence of intrinsic factor needed for absorption of b12
Sources of B12
o ::## food of animal origin: beef liver, shell fish, fortified grains
Function of Vitamin C
o ::## water soluble vitamin aka "ascorbic acid"
iron absportion, antioxidant, tissue building
-deficiency can cause scurvy, decreased iron absorption, and bleeding gums
Sources of Vitamin C
o ::## citrus fruits, tomatoes, peppers, green leafy vegetables, strawberries,
Fiber
o ::## carbohydrate that does not yield energy to the body
-impt for bowel elimination; adds bulk to the feces and stimulates peristalsis to ease
elimination
-part of fruits, vegetables, and grains that is not broken down by your body: pectin, gum,
cellulose, mucilage
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What are some foods high in fiber content
o ::## prunes, rasberries, blackberrries, artichokes, legumes, high fiber cereal, whole grains
Fat soluble vitamins
o ::## A,D,E,K - have potential for toxicity due to ability to be stored in body for long periods of
time
-stored in the liver and fatty tissues, and are eliminated much more slowly than water-
soluble vitamins
A: vision
D: bone development
E: protects cells from oxidation
K: normal blood clotting
Water soluble vitamins
o ::## Vitamin C and B-complex
-your body metabolizes what it can and flushes out the excess through pee
C: iron absorption, antioxidant, tissue building
B: cell metabolism, energy, neurological function
(Thiamin, Riboflavin, Niacin, Pantothenic acid, Pyridoxine, Folate, Cobalamin)
Vitamin D
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