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: Surgery
Which does not happen in Unilateral Renal Trauma - 
Select and explain. 
A. Hypertension, B. Uraemia, C. Clot formation, D. Perinephric haematoma
B: Uraemia
Answer: B: Uraemia 
Explanation: None