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
The	primary	excretory	organ	for	the	local
anaesthetic and its metabolites is: 
Select and explain. 
A. Lungs, B. Kidneys, C. Rectum, D. Skin
B: Kidneys
Answer: B: Kidneys 
Explanation: None