All are true about bordetella pertussis except________?

Bile contains________?

Angular cheilosis is frequently associated with deficiency of________?

A man who had suffered from displaced fracture of mandible complains of pain in-old fracture site near mental foramen. There is a movable tender mass on palpation in the area The best preoperative diagnosis is________?

The pattern for the metallic framework of a removable partial denture is fabricated from________?

The connecting vein between facial vein and cavernous sinus is________?