ATI LPN
ATI LPN Test Bank
Fluid Balance and Nutrition Questions
Question 1 of 5
Calcium balance is influenced by
Correct Answer: C
Rationale: PTH and vitamin D regulate calcium absorption and resorption.
Question 2 of 5
Sensible perspiration
Correct Answer: C
Rationale: Sensible perspiration is sweat gland secretion, visible on the skin.
Question 3 of 5
If the hydrogen ion concentration in the blood increases, bicarbonate ions act as buffers by
Correct Answer: A
Rationale: Bicarbonate binds excess H⁺, forming carbonic acid to stabilize pH.
Question 4 of 5
In renal compensation of acidosis,
Correct Answer: C
Rationale: Kidneys increase H⁺ excretion and HCO₃⁻ reabsorption to buffer acidosis.
Question 5 of 5
Ingesting large amounts of sodium bicarbonate can lead to
Correct Answer: B
Rationale: Excess bicarbonate raises pH, causing metabolic alkalosis.