This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Attempts to straighten out a flexed thigh cause great pain in a patient with appendici tis. This is due to the position of the appendix near which muscle? 
Select and explain. 
A. Adductor magnus, B. Biceps femoris, C. Gluteus maximus, D. Psoas major
D: Psoas major
Answer: D: Psoas major 
Explanation: .