ATI LPN
Nutrition ATI Proctored Exam
1. With respect to its effect on colon microflora, fiber is considered a:
- A. prebiotic.
- B. probiotic.
- C. functional food.
- D. protective agent.
Correct answer: A
Rationale: The correct answer is A: prebiotic. Fiber acts as a prebiotic by providing a food source for beneficial bacteria in the colon, promoting their growth and activity. This helps maintain a healthy balance of microflora in the gut. Choice B, probiotic, is incorrect as fiber itself does not contain live beneficial bacteria but rather supports their growth. Choice C, functional food, is too broad and doesn't specifically address fiber's role in promoting beneficial bacteria. Choice D, protective agent, is vague and does not directly relate to fiber's specific function in colon microflora.
2. Signs of malnutrition can appear when:
- A. nutrient reserves are depleted.
- B. nutrient intake exceeds daily needs.
- C. energy intake is restricted.
- D. caloric expenditure increases.
Correct answer: A
Rationale: The correct answer is A: 'nutrient reserves are depleted.' Signs of malnutrition manifest when the body's reserves of essential nutrients are exhausted and can no longer sustain health. Choice B is incorrect because excessive nutrient intake exceeding daily needs does not lead to malnutrition but may cause other health issues. Choice C is incorrect as restricting energy intake may lead to weight loss but not necessarily malnutrition. Choice D is also incorrect as increasing caloric expenditure does not directly cause malnutrition.
3. Exchange Lists for Meal Planning was originally intended as a meal-planning tool for people who have:
- A. cancer.
- B. diabetes.
- C. hypertension.
- D. heart disease.
Correct answer: B
Rationale: The correct answer is B: diabetes. Exchange Lists for Meal Planning were originally created to assist individuals with diabetes in managing their diet by providing a structured approach to balanced food exchanges. This system helps individuals regulate their blood sugar levels and maintain overall health. Choices A, C, and D are incorrect because Exchange Lists for Meal Planning were not primarily developed for individuals with cancer, hypertension, or heart disease.
4. For a healthy person, what percentage of daily calories should be supplied by protein?
- A. 5% to 10%.
- B. 10% to 35%.
- C. more than 25%.
- D. more than 35%.
Correct answer: B
Rationale: The correct answer is B: 10% to 35%. For a healthy person, it is recommended that 10% to 35% of their daily caloric intake should come from protein. This range ensures an adequate intake of protein for various bodily functions without overdoing it. Choices A, C, and D are incorrect because they suggest percentages either below the recommended range (A, C) or exceeding it (D), which could lead to nutritional imbalances or health issues.
5. Amino acids that can be synthesized by the body in sufficient amounts are known as:
- A. indispensable.
- B. dispensable.
- C. simple.
- D. complex.
Correct answer: B
Rationale: The correct answer is B, 'dispensable.' Dispensable amino acids are those that the body can synthesize in sufficient amounts, so they are not required to be obtained from the diet. Indispensable amino acids, on the other hand, are essential and must be obtained from the diet because the body cannot produce them in sufficient quantities. Choices C and D, 'simple' and 'complex,' are incorrect as they do not accurately describe amino acids in terms of synthesis by the body.
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