A 44 year-old male presents to the emergency department with severe back pain radiating to the left flank. A radiological exam reveals a kidney stone partially blocking the ureter of one kidney. Based on your knowledge of renal physiology, which of the following statements is correct?
A) The patient will have problems with salt and water balance due to a loss of 50% of renal function.
B) Glomerular filtration rate (GFR) in the affected kidney will decrease.
C) Urinary flow will be reduced by approximately 50%.
D) Hydrostatic pressure in the tubules will be decreased.
E) Renal failure will occur.

Question

Quizplus · Accepted Answer

The presence of a kidney stone partially blocking the ureter can lead to increased pressure in the renal tubules upstream of the blockage, which can reduce the glomerular filtration rate (GFR) in the affected kidney due to the reduced ability of the kidney to filter blood effectively.

A 44 Year-Old Male Presents to the Emergency Department with Severe