ATI RN
ATI Nutrition Proctored Exam
1. What physiologic role does magnesium play in the body?
- A. Blood clotting, transmission of nerve impulses, muscle contraction and relaxation
- B. Calcium homeostasis, structural integrity of heart muscle
- C. No known metabolic function, caries-preventing properties
- D. ATP energy release; metabolism of fats, carbohydrates, proteins; regulates acid-base balance
Correct answer: B
Rationale: The correct answer is B. Magnesium plays an important role in maintaining calcium homeostasis and preventing skeletal abnormalities. It is involved in more than 300 enzymatic reactions, including energy metabolism, insulin activity, and glucose use. Magnesium is vital to the structural integrity of heart muscle and other muscles and nerves. While magnesium does play a role in blood clotting, nerve impulses, muscle contraction, relaxation, ATP energy release, and metabolism of fats, carbohydrates, proteins, the primary physiologic role of magnesium in the body is related to calcium homeostasis and maintaining the structural integrity of the heart muscle. Choice A is incorrect because it includes functions of magnesium, but they are not its primary physiologic role. Choice C is incorrect as magnesium has several known metabolic functions. Choice D is incorrect because although magnesium is involved in ATP energy release and metabolism, its primary role is related to calcium homeostasis and structural integrity of muscle.
2. Maria’s statement “Bow down before me! I am the holy mother of Christ! I am the blessed Virgin Mary!†is an example of:
- A. Delusion of grandeur
- B. Visual Hallucination
- C. Religious delusion
- D. Auditory Hallcucination
Correct answer: B
Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.
3. Nutrients that may help decrease high blood pressure levels include:
- A. magnesium and sodium
- B. protein and monounsaturated fat
- C. calcium and potassium
- D. dietary fiber and plant sterols
Correct answer: C
Rationale: Calcium and potassium play vital roles in regulating blood pressure, with potassium helping to balance the negative effects of sodium.
4. A nurse is caring for an older adult client who reports difficulty chewing due to ill-fitting dentures. Which of the following foods should the nurse recommend for the client?
- A. Dried fruit
- B. Roast beef
- C. Tuna fish
- D. Apple slices
Correct answer: C
Rationale: The correct answer is C: Tuna fish. Tuna fish is a soft and easy-to-chew option, suitable for clients with ill-fitting dentures. Dried fruit (choice A) can be tough to chew and may stick to the dentures, causing discomfort. Roast beef (choice B) requires significant chewing effort and may not be suitable for someone with difficulty chewing. Apple slices (choice D) are crunchy and hard, which can be challenging for individuals with ill-fitting dentures.
5. What is the movement of water from an area of lower solute concentration to one of higher solute concentration called?
- A. Hypodipsia
- B. Hypernatremia
- C. Hypokalemia
- D. Osmosis
Correct answer: D
Rationale: The correct answer is D, Osmosis. Osmosis is the process where water moves from an area of low solute concentration to an area of high solute concentration. This movement equalizes the solute concentration in intracellular and extracellular fluids. Choices A, B, and C are incorrect because they do not describe the movement of water based on solute concentration levels.
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