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
For differentiating Inguinal hernia and a femoral hernia the landmark will be - 
Select and explain. 
A. Pubic symphysis, B. Femoral artery, C. Inferior epigastric vessel, D. Pubic tubercle
D: Pubic tubercle
Answer: D: Pubic tubercle 
Explanation: The landmark for differentiating b/w femoral hernia and the inguinal hernia is the pubic tubercle.
An inguinal hernia (Indirect): The neck of the sac lies above and medial to the pubic tubercle.
A femoral hernia: The neck of the sac lies below and lateral to the pubic tubercle.
Inferior epigastric vessels are a landmark for differentiating b/w direct & indirect inguinal hernias.

the neck of a direct hernia lies medial to the inferior epigastric vessels, whereas the neck of an indirect hernia lies lateral to it.
Note

MC type of a hernia in males → Indirect inguinal hernia
More common on Rt side
MC type in females → Indirect inguinal hernia (not a femoral hernia)