Impaired renal function is indicated when the amount of PSP excreted in the first 15
minutes is
(A) 20% (B) 35%
(C) 40% (D) 45%
aanya.bansal Answered question August 17, 2024
The correct answer is (A) 20%.
Phenol sulfonphthalein (PSP) is a dye used to assess renal function. In a PSP test, the dye is injected intravenously, and its excretion is measured over time. Impaired renal function is indicated if less than 20% of the dye is excreted in the first 15 minutes.
aanya.bansal Answered question August 17, 2024