A patient in th emergency room with road traffic accident has retroperitoneal bleed. Trauma to which of the following structures is the most likely cause of this bleed?

Anatomy

A patient in th emergency room with road traffic accident has retroperitoneal bleed. Trauma to which of the following structures is the most likely cause of this bleed?

The action of digastric muscle is:

Which of the following vessels supply the anal canal?

All of the following muscles are elevators of the mandible EXCEPT: