ATI RN
Chapter 14 Nutrition and Fluid Balance Questions
Question 1 of 5
What is seen earliest in an ECG of hyperkalemia?
Correct Answer: B
Rationale: Peaked T waves are the earliest ECG change in hyperkalemia.
Question 2 of 5
Which equation is incorrect?
Correct Answer: B
Rationale: Correct osmolality formula is 2(Na+) + glucose + urea, not 2(Na+ urea + glucose).
Question 3 of 5
Which does not cause a metabolic alkalosis?
Correct Answer: B
Rationale: Diarrhoea causes metabolic acidosis due to bicarbonate loss, not alkalosis.
Question 4 of 5
Which is not a potential complication of a massive blood transfusion?
Correct Answer: B
Rationale: Hypercalcemia is not a common complication; hypocalcemia is more likely due to citrate binding.
Question 5 of 5
Which is the most appropriate replacement fluid for a patient with significant nasogastric (NG) fluid drainage?
Correct Answer: A
Rationale: NG drainage typically results in loss of sodium, chloride, and potassium. 0.9% sodium chloride with added potassium chloride (20 mEq/L) closely matches these losses, making it the most appropriate replacement fluid.