ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. You are caring for a patient who is being treated on the oncology unit with a diagnosis of lung cancer with bone metastases. During your assessment, you note the patient complains of a new onset of weakness with abdominal pain. Further assessment suggests that the patient likely has a fluid volume deficit. You should recognize that this patient may be experiencing what electrolyte imbalance?
- A. Hypernatremia
- B. Hypomagnesemia
- C. Hypophosphatemia
- D. Hypercalcemia
Correct answer: D
Rationale:
2. A nurse is assessing a client with hypokalemia and notes that the client's handgrip strength has diminished since the previous assessment 1 hour ago. Which action should the nurse take first?
- A. Assess the client's respiratory rate, rhythm, and depth.
- B. Measure the client's pulse and blood pressure.
- C. Document findings and monitor the client.
- D. Call the healthcare provider.
Correct answer: A
Rationale: In a client with hypokalemia experiencing diminished handgrip strength, the priority action for the nurse is to assess the client's respiratory rate, rhythm, and depth. Hypokalemia can lead to muscle weakness, including respiratory muscles, potentially causing respiratory distress. Assessing the respiratory status is crucial to determine if immediate interventions are needed to maintain adequate oxygenation. Measuring the client's pulse and blood pressure (Choice B) is important but should come after assessing the respiratory status. Simply documenting findings and monitoring the client (Choice C) may delay necessary interventions. Calling the healthcare provider (Choice D) is not the first action indicated in this situation; assessing the client's respiratory status takes precedence.
3. You are caring for a patient admitted with a diagnosis of acute kidney injury. When you review your patient's most recent laboratory reports, you note that the patient's magnesium levels are high. You should prioritize assessment for which of the following health problems?
- A. Diminished deep tendon reflexes
- B. Tachycardia
- C. Cool, clammy skin
- D. Acute flank pain
Correct answer: A
Rationale: Corrected Rationale: To assess a patient's magnesium status, the nurse should check deep tendon reflexes. Diminished deep tendon reflexes may indicate high serum magnesium levels, as hypermagnesemia can lead to neuromuscular effects. Tachycardia, cool clammy skin, and acute flank pain are not typically associated with high magnesium levels and are not priority assessments in this situation.
4. A nurse is assessing a client who has an electrolyte imbalance related to renal failure. For which potential complications of this electrolyte imbalance should the nurse assess? (Select all that do mot apply.)
- A. Electrocardiogram changes
- B. Slow, shallow respirations
- C. Paralytic ileus
- D. Skeletal muscle weakness
Correct answer: B
Rationale:
5. After teaching a client to increase dietary potassium intake, a nurse assesses the client's understanding. Which dietary meal selection indicates the client correctly understands the teaching?
- A. Toasted English muffin with butter and blueberry jam, and tea with sugar
- B. Two scrambled eggs, a slice of white toast, and a half cup of strawberries
- C. Sausage, one slice of whole wheat toast, half cup of raisins, and a glass of milk
- D. Bowl of oatmeal with brown sugar, a half cup of sliced peaches, and coffee
Correct answer: C
Rationale: Choice C is the correct answer as it includes foods high in potassium, such as raisins, whole wheat toast, and milk. Potassium is essential for various bodily functions, including maintaining proper heart and muscle function. Choices A, B, and D do not contain significant sources of potassium. Choice A consists mainly of carbohydrates and sugar, choice B focuses on protein and carbohydrates, and choice D provides carbohydrates and some fruit but lacks high-potassium options like in choice C.
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