ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
The nurse is preparing to start an IV on a newly admitted patient. Which action by the nurse places the patient at risk for infection?
Correct Answer: C
Rationale: Blowing on the cleansed area introduces bacteria from the nurse's breath, increasing infection risk.
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 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 4 of 5
A nurse is reviewing the laboratory results of a client who is taking a loop diuretic and notes the client's potassium level is 3.0 mEq/L (3.5-5 mEq/L). Which of the following physiological responses should the nurse expect related to the client's hypokalemia?
Correct Answer: A
Rationale: Hypokalemia can impair cardiac muscle function, leading to potentially life-threatening cardiac dysrhythmias.
Question 5 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.