This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vermiform Appendix, Subject name: Surgery
Which of the following statements is not true of McBurney's incision? 
Select and explain. 
A. Most suitable if the diagnosis of appendicitis is definite, B. If it is conveed into a muscle cutting incision it is called Rutherford Morison's incision, C. Inguinal hernia is a sequel of the incision, D. The incision can be extended upwards or downwards
D: The incision can be extended upwards or downwards
Answer: D: The incision can be extended upwards or downwards 
Explanation: In McBurney's incision, incision is extended upwards and laterally, not downwards.