ATI LPN
Nutrition ATI Proctored Exam
1. The Acceptable Macronutrient Distribution Range for fat recommends that the percentage of total kcalories from fat should fall between:
- A. 10% and 20%.
- B. 20% and 25%.
- C. 20% and 35%.
- D. 30% and 45%.
Correct answer: C
Rationale: The Acceptable Macronutrient Distribution Range (AMDR) for fat suggests that 20% to 35% of total kcalories should come from fat. This range is recommended to maintain good health. Choices A, B, and D are incorrect because they do not fall within the specified range. A lower percentage (10-20%) may not provide enough essential fatty acids, while a higher percentage (30-45%) may increase the risk of health issues associated with excessive fat consumption.
2. Where does the absorption of most nutrients occur?
- A. Large intestine.
- B. Small intestine.
- C. Stomach.
- D. Mouth.
Correct answer: B
Rationale: The absorption of most nutrients occurs in the small intestine. This is where digested food is broken down further and absorbed into the bloodstream through the intestinal walls. The large intestine primarily absorbs water and electrolytes, while the stomach mainly aids in digestion by breaking down food with gastric juices. The mouth is responsible for the initial mechanical breakdown of food through chewing and the enzymatic action of saliva, but absorption does not occur there.
3. Which nutrient has a protein-sparing effect?
- A. Glycerol
- B. Carbohydrate
- C. Nitrogen
- D. Fatty acids
Correct answer: B
Rationale: Carbohydrates have a protein-sparing effect, meaning that adequate carbohydrate intake can prevent the use of protein for energy. Glycerol, nitrogen, and fatty acids do not have a protein-sparing effect. Glycerol is a component of fats and oils, nitrogen is a component of proteins, and fatty acids are used primarily as an energy source.
4. A food choice equivalent to one serving from the Grains group of MyPlate is:
- A. one slice of bread
- B. 2 cups of rice
- C. 3 cups of spaghetti
- D. 4 oz of ready-to-eat cereal
Correct answer: A
Rationale: One slice of bread is a standard serving from the Grains group in MyPlate. This choice aligns with the recommended portion size for grains. Choices B, C, and D are excessive portions that do not represent a single serving according to MyPlate guidelines. 2 cups of rice, 3 cups of spaghetti, and 4 oz of ready-to-eat cereal exceed the standard serving size for grains and would provide more than one serving from this food group.
5. The percentage of the total daily caloric intake for healthy persons that should be supplied by carbohydrate is:
- A. 10% to 35%.
- B. 20% to 35%.
- C. 40% to 55%.
- D. 45% to 65%.
Correct answer: D
Rationale: The correct answer is D: 45% to 65%. Carbohydrates should contribute between 45% to 65% of the total daily caloric intake for healthy individuals to maintain a balanced diet. Choices A, B, and C are incorrect because they suggest lower ranges, which may not provide sufficient energy from carbohydrates for overall health and well-being.
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