This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Proteinuria in preeclampsia is due to 
Select and explain. 
A. Increased glomerular filtration rate, B. Increased capillary permeability, C. Increased renal artery resistance, D. Increased systemic vascular resistance
B: Increased capillary permeability
Answer: B: Increased capillary permeability 
Explanation: Endothelial cell dysfunction and increased free radicals cause activation of microvascular coagulation that manifest by thrombocytopenia and increased capillary permebility manifest as edema and proteinuria.