After thyroidectomy, pt. developed stridor within 2 hrs. All are likely cause of stridor except :

Surgery

After thyroidectomy, pt. developed stridor within 2 hrs. All are likely cause of stridor except :

A tender swelling in submandibular triangle is mostly likely diagnosed as

In transfacial proportions, the face Is divided into how many segments:

Specific for Ankylosing spondylitis is true?