ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 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.
Question 2 of 5
A nurse is phoning a provider to report a client's serum potassium of 6.2 mEq/L (3.5-5 mEq/L). Which of the following medications should the nurse expect the provider to prescribe?
Correct Answer: A
Rationale: Sodium polystyrene sulfonate (Kayexalate) is used to treat hyperkalemia by lowering potassium levels through ion exchange in the intestines.
Question 3 of 5
A nurse is collecting data from a client who has acute gastroenteritis. Which of the following data collection findings should the nurse identify as the priority?
Correct Answer: A
Rationale: A potassium level of 2.5 mEq/L is critically low and can cause life-threatening cardiac dysrhythmias, requiring immediate intervention.
Question 4 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 5 of 5
While assessing an older adult patient with fluid excess, the nurse notes the following: T = 98.6°F, P = 92, R = 18, BP = 166/88 mm Hg, bilateral crackles, oxygen saturation = 95%. Which action should the nurse take first?
Correct Answer: C
Rationale: Placing the patient in a high Fowler position maximizes lung expansion and alleviates dyspnea caused by fluid overload.