ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
The nurse is using Chvostek sign to assess for hypocalcemia. Which statement correctly describes this test?
Correct Answer: A
Rationale: Tapping the face below and in front of the ear tests for Chvostek's sign, where facial muscle twitching indicates hypocalcemia.
Question 2 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 3 of 5
A nurse is collecting data from a client who has a calcium level of 8 mg/dL (9.0-10.5 mg/dL). Which of the following manifestations should the nurse expect?
Correct Answer: D
Rationale: Tetany, involving muscle cramps and spasms, is a common manifestation of hypocalcemia due to increased neuromuscular excitability at low calcium levels.
Question 4 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 5 of 5
The nurse is using Chvostek sign to assess for hypocalcemia. Which statement correctly describes this test?
Correct Answer: A
Rationale: Tapping the face below and in front of the ear tests for Chvostek's sign, where facial muscle twitching indicates hypocalcemia.