ATI RN
Chapter 14 Nutrition and Fluid Balance Questions
Question 1 of 5
Excess potassium ions are eliminated from the body by the
Correct Answer: B
Rationale: The kidneys are the primary organ for excreting excess potassium via urine.
Question 2 of 5
The primary role of the carbonic acid-bicarbonate buffer system is to
Correct Answer: C
Rationale: The carbonic acid-bicarbonate system buffers organic and fixed acids to maintain blood pH.
Question 3 of 5
If sodium increases in the ECF, water will move from
Correct Answer: C
Rationale: Increased ECF sodium causes water to move out of cells via osmosis, shrinking them.
Question 4 of 5
The enzyme that catalyzes the conversion of H2O and CO2 to H2CO3 is called
Correct Answer: A
Rationale: Carbonic anhydrase speeds up the formation of carbonic acid from water and CO2.
Question 5 of 5
Paracrine feedback from the in the distal tubule to the granular cells stimulates release of
Correct Answer: D
Rationale: The macula densa in the distal tubule signals granular cells to release renin.