ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
A nurse is collecting data from a client. Which of the following findings should the nurse report to the charge nurse as an indicator of dehydration?
Correct Answer: C
Rationale: Skin tenting is a classic sign of dehydration, indicating reduced skin turgor due to fluid volume depletion.
Question 2 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 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 assisting with the care of a client who has hypocalcemia. For which of the following signs should the nurse monitor?
Correct Answer: B
Rationale: Chvostek's sign, facial muscle twitching when the facial nerve is tapped, is a classic indicator of hypocalcemia.
Question 5 of 5
A nurse reviewing the laboratory of a client who had a total thyroidectomy discovers that his calcium level is 7 mg/dL (9-10.5 mg/dL). Which of the following client findings should the nurse expect?
Correct Answer: C
Rationale: Hypocalcemia, common post-thyroidectomy, can cause muscle tetany due to increased neuromuscular excitability.