ATI RN
Chapter 14 Nutrition and Fluid Balance Questions
Question 1 of 5
Angiotensin I is converted to angiotensin II by enzymes primarily located in the
Correct Answer: D
Rationale: Angiotensin I is converted to angiotensin II by ACE, primarily in the lungs.
Question 2 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 3 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 4 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.
Question 5 of 5
Renal tubule cells in the kidney medulla are constantly exposed to high extracellular osmolarity. How do they maintain normal cell volume?
Correct Answer: A
Rationale: Tubule cells synthesize solutes like urea to balance high medullary osmolarity and maintain volume.