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
In examination of the patient for a hernia, it is useful to realize that - 
Select and explain. 
A. An impulse if often much better seen than felt, B. The internal abdominal ring lies 1.25 cm. above the midpoint of poupa's ligament, C. The external abdominal ring lies 1.25 cm above and medial to ASIS, D. None of the above
B: The internal abdominal ring lies 1.25 cm. above the midpoint of poupa's ligament
Answer: B: The internal abdominal ring lies 1.25 cm. above the midpoint of poupa's ligament 
Explanation: Ans. is 'b' i.e., The internal abdominal ring lies 1.25 cm. above the midpoint of poupa's ligament