Which statement accurately summarizes glomerular filtration rate (GFR) regulation short-term and long-term?

Which statement accurately summarizes glomerular filtration rate (GFR) regulation short-term and long-term?

• A. GFR is the rate of filtrate formation; short-term regulation via autoregulation of afferent/efferent arterioles; long-term via hormonal and neural influences (RAAS, sympathetic input).
• B. GFR is the rate of urine formation; short-term regulation via hydration; long-term via diet.
• C. GFR is the total plasma volume filtered per hour; regulated by liver hormones.
• D. GFR is the rate of chylomicron production.

Answer: (A)