The following is an X-ray of a 13year old child presenting with difficulty in breathing and gradually developing respiratory compromise. What is the diagnosis?

Anatomy

The following is an X-ray of a 13year old child presenting with difficulty in breathing and gradually developing respiratory compromise. What is the diagnosis?

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: