ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
A nurse is assisting with care of a client who has a prescription for 3,000 mL of intravenous fluids over the next 24 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number)
Correct Answer: B
Rationale: Dividing total volume by time, 3000 mL / 24 hr = 125 mL/hr.
Question 2 of 5
A nurse is reviewing the medical record of a client and identifies a serum potassium 6.8 mEq/L (3.5-5 mEq/L). Which of the following medications should the nurse expect to administer?
Correct Answer: C
Rationale: Sodium polystyrene (Kayexalate) treats hyperkalemia by exchanging sodium for potassium in the intestines, promoting potassium elimination, suitable for a dangerously high potassium level of 6.8 mEq/L.
Question 3 of 5
The nurse is caring for a group of patients. Which patient is at highest risk for hypovolemia?
Correct Answer: A
Rationale: Significant blood loss (2 liters) during surgery poses the highest risk for hypovolemia, requiring immediate fluid replacement.
Question 4 of 5
A nurse is collecting data from a client who has hypocalcemia. Which of the following findings should the nurse expect?
Correct Answer: C
Rationale: Tingling of the lips is a classic sign of hypocalcemia, resulting from increased neuromuscular excitability causing paresthesia.
Question 5 of 5
Which of the following complications can occur if a clotted cannula is flushed too aggressively?
Correct Answer: B
Rationale: Aggressively flushing a clotted cannula can dislodge a clot into the bloodstream, potentially causing serious complications like embolism.