This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
Acute Immoral renal transplant rejection is characterized by the following except - 
Select and explain. 
A. Presence of anti-donor antibodies, B. Interstitial and tubular mononuclear cell infiltrate, C. Necrotizing vasculitis, D. Acute coical necrosis
B: Interstitial and tubular mononuclear cell infiltrate
Answer: B: Interstitial and tubular mononuclear cell infiltrate 
Explanation: Harshmohan textbook of pathology 7th edition. In humoral immune reaction there is preformed circulating antibodies due to pre sensitization of the recipient before transplantation. It is characterised by acute rejection vasculitis and foci of necrosis in small vessels. The mononuclear cell infiltrate is less marked as compared to cellular rejection and consist mostly of B lymphocytes..