ATI RN
ATI Nutrition Proctored Exam
1. Which set of guidelines is intended to assess nutrient adequacy or plan intakes of population groups, not individuals?
- A. Old Recommended Dietary Allowances (RDA)
- B. Estimated Average Requirement (EAR)
- C. New Recommended Dietary Allowances (RDA)
- D. Tolerable Upper Intake Level (UL)
Correct answer: B
Rationale: The Estimated Average Requirement (EAR) is specifically designed to assess nutrient adequacy or plan intakes for population groups, not for individuals. The Old and New Recommended Dietary Allowances (RDA) are meant for individuals, not groups, as they provide guidelines for specific nutrient intake levels for healthy individuals. The Tolerable Upper Intake Level (UL) is used to set the highest level of nutrient intake that is likely to pose no risk of adverse health effects for most individuals in a group, which is different from assessing nutrient adequacy for groups.
2. A nurse at a health fair is assessing the weight status of four clients. Which of the following clients is classified as overweight?
- A. A female client who has a body mass index of 24
- B. A male client who has a body mass index of 29
- C. A female client who has a waist circumference of 101.6 cm (40 in)
- D. A male client who has a waist circumference of 96.52 cm (38 in)
Correct answer: B
Rationale: A body mass index (BMI) of 25 or higher is classified as overweight. Choice B, a male client with a BMI of 29, falls into the overweight category. Choice A, a female client with a BMI of 24, is within the normal range. Choices C and D provide information on waist circumference, which is not sufficient to determine if a client is overweight or not, as waist circumference alone does not provide the overall picture of weight status compared to BMI.
3. Which of the following body processes is not dependent upon the presence of calcium in the body fluids?
- A. blood clotting
- B. transport of oxygen in the blood
- C. muscle contractions
- D. transmission of nerve impulses
Correct answer: B
Rationale: The transport of oxygen in the blood is carried out by hemoglobin, which does not require calcium; instead, calcium is essential for blood clotting, muscle contraction, and nerve transmission.
4. Intrinsic factor from the stomach is needed for the absorption of which vitamin?
- A. vitamin B12
- B. folate
- C. niacin
- D. vitamin B6
Correct answer: A
Rationale: The correct answer is A: vitamin B12. Intrinsic factor is a glycoprotein produced by the stomach that is necessary for the absorption of vitamin B12 in the small intestine. Vitamin B12 binds to intrinsic factor in the stomach, forming a complex that is then absorbed in the ileum. This absorption process is crucial for preventing vitamin B12 deficiency. Choices B, C, and D are incorrect because they do not require intrinsic factor for absorption. Folate is absorbed in the small intestine through a different mechanism, niacin can be absorbed in the small intestine without the need for intrinsic factor, and vitamin B6 does not rely on intrinsic factor for absorption.
5. A nurse is caring for a client who is to receive a mechanically altered diet. Which of the following client food choices necessitates intervention by the nurse?
- A. Scrambled eggs
- B. Cottage cheese
- C. Piece of wheat toast
- D. Sliced banana
Correct answer: D
Rationale: The correct answer is 'Sliced banana.' A mechanically altered diet is designed for clients who have difficulty chewing or swallowing. Sliced bananas, due to their texture and potential choking hazard for clients with swallowing difficulties, would necessitate intervention by the nurse. Scrambled eggs, cottage cheese, and a piece of wheat toast are softer and safer options for clients on a mechanically altered diet, making them appropriate choices.
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