ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Question 1 of 5
A nurse is monitoring a client who is dehydrated. Which of the following laboratory findings should the nurse report to the provider?
Correct Answer: C
Rationale: An elevated BUN level (25 mg/dL) is above the normal range (10-20 mg/dL) and indicates dehydration due to increased protein breakdown and decreased renal perfusion, requiring immediate reporting to the provider.
Question 2 of 5
A nurse is collecting data from a client who has a sodium level of 155 mEq/L (136-145 mEq/L). Which of the following manifestations should the nurse expect?
Correct Answer: B
Rationale: Hypernatremia causes cellular dehydration, leading to neurological symptoms like decreased level of consciousness.
Question 3 of 5
A nurse in a provider's office is collecting data from a client who takes furosemide daily for heart failure. Which of the following findings is a manifestation of hypokalemia?
Correct Answer: B
Rationale: Fatigue is a hallmark symptom of hypokalemia due to impaired cellular and muscle function.
Question 4 of 5
A nurse is caring for a client whose serum potassium level is 5.3 mEq/L (3.5-5 mEq/L). The nurse should anticipate a prescription for which of the following medications?
Correct Answer: C
Rationale: Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by lowering serum potassium levels through ion exchange in the intestines.
Question 5 of 5
A nurse is collecting data from a client who has a calcium level of 12 mg/dL (9-10.5 mg/dL). Which of the following manifestations should the nurse expect?
Correct Answer: B
Rationale: Hypercalcemia depresses neuromuscular function, leading to decreased deep tendon reflexes.