ATI LPN
ATI LPN Med Surg Lv 3 Electrolytes Imbalance Questions
Extract:
Question 1 of 5
An older adult nursing home resident who has always been alert and oriented is now showing signs of dehydration and has become confused. Which electrolyte imbalance is most likely involved?
Correct Answer: C
Rationale: Hyponatremia disrupts brain cell function, commonly causing confusion in dehydrated older adults.
Question 2 of 5
A nurse is reviewing the laboratory values for a client who takes spironolactone and notes that the client's serum potassium level is 6.8 mEq/L (3.5 -5 mEq/L). The nurse notifies the provider and anticipates that the provider will provide which of the following instructions?
Correct Answer: C
Rationale: Hyperkalemia can cause life-threatening cardiac dysrhythmias, necessitating an ECG to monitor for abnormalities.
Question 3 of 5
A nurse is assisting with the care of a school-age child who has respiratory failure due to pneumonia. Which of the following positions should the nurse encourage to allow maximal lung expansion?
Correct Answer: A
Rationale: The upright position promotes optimal lung expansion by reducing diaphragm pressure and improving ventilation.
Question 4 of 5
A nurse is collecting data from a client who has isotonic fluid-volume deficit. Which of the following findings should the nurse expect?
Correct Answer: A
Rationale: Isotonic fluid-volume deficit reduces blood volume, leading to a weak, thready pulse due to decreased cardiac output.
Question 5 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.