A 63-year-old man comes to the physician for a follow-up appointment. He has hypertension, type II diabetes, and BPH managed with lisinopril, metformin, and finasteride. Renal biopsy shows thickening of the glomerular basement membranes and eosinophilic nodules within the mesangium composed of hyaline. Serum albumin is 2.1 g/dL. Urinalysis shows 3+ proteinuria. GFR is slightly elevated. Which of the following is most likely to be seen in this patient?
Decreased hydrostatic pressure in Bowman’s space
Decreased renal plasma flow
Decreased renal plasma flow
Decreased serum protons
Increased tubular osmolality
Increased resistance at the afferent arteriole
