ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. A nurse is caring for a client who has just experienced a 90-second tonic-clonic seizure. The clients arterial blood gas values are pH 6.88, PaO2 50 mm Hg, PaCO2 60 mm Hg, and HCO3 22 mEq/L. Which action should the nurse take first?
- A. . Apply oxygen by mask or nasal cannula
- B. Apply a paper bag over the clients nose and mouth.
- C. Administer 50 mL of sodium bicarbonate intravenously.
- D. Administer 50 mL of 20% glucose and 20 units of regular insulin.
Correct answer: A
Rationale:
2. Which condition can result from prolonged vomiting or diarrhea?
- A. Intracellular fluid
- B. Interstitial fluid
- C. Dehydration
- D. Electrolyte
Correct answer: C
Rationale: The correct answer is C: Dehydration. Prolonged vomiting or diarrhea can lead to significant fluid loss, causing dehydration. Intracellular fluid (choice A) and interstitial fluid (choice B) refer to specific compartments of body fluid and are not conditions resulting from vomiting or diarrhea. Electrolytes (choice D) are minerals that help maintain fluid balance in the body but are not the condition directly resulting from prolonged vomiting or diarrhea.
3. After teaching a client who was malnourished and is being discharged, a nurse assesses the clients understanding. Which statement indicates the client correctly understood teaching to decrease risk for the development of metabolic acidosis?
- A. I will drink at least three glasses of milk each day.
- B. . I will eat three well-balanced meals and a snack daily.
- C. . I will not take pain medication and antihistamines together.
- D. I will avoid salting my food when cooking or during meals.
Correct answer: A
Rationale:
4. You are performing an admission assessment on an older adult patient newly admitted for end-stage liver disease. What principle should guide your assessment of the patient's skin turgor?
- A. Overhydration is common among healthy older adults.
- B. Dehydration causes the skin to appear spongy.
- C. Inelastic skin turgor is a normal part of aging.
- D. Skin turgor cannot be assessed in patients over 70.
Correct answer: C
Rationale: Inelastic skin is a normal change of aging. However, this does not mean that skin turgor cannot be assessed in older patients. Dehydration, not overhydration, causes inelastic skin with tenting. Overhydration, not dehydration, causes the skin to appear edematous and spongy. Choice A is incorrect because overhydration is not common among healthy older adults. Choice B is incorrect because dehydration leads to inelastic skin, not sponginess. Choice D is incorrect as skin turgor assessment can be done in patients of any age, including those over 70.
5. A nurse is caring for a client who has the following laboratory results: potassium 3.4 mEq/L, magnesium 1.8 mEq/L, calcium 8.5 mEq/L, sodium 144 mEq/L. Which assessment should the nurse complete first?
- A. Assess the client's dietary intake of foods high in potassium.
- B. Assess the client's neuromuscular status.
- C. Assess the client's fluid intake and output.
- D. Read food labels to determine sodium content.
Correct answer: D
Rationale: The correct answer is to read food labels to determine sodium content. The client's sodium level is crucial to monitor as it is on the higher side (144 mEq/L), which can indicate hypernatremia. Excessive sodium intake can lead to fluid retention and other complications. Assessing dietary sodium intake can help the nurse and client make necessary adjustments to prevent further sodium imbalances. Choices A, B, and C are not the priority in this situation as the client's sodium level needs immediate attention to prevent potential complications.
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