How long do most legal consultants advise physicians to keep patient records to protect themselves against malpractice suits? 

The middle ear serves an impedance-matching function by

A) amplifying the force per unit area. B) reducing the area over which the existing force is exerted. C) a & b D) neither of the above.

Operative report: Pre-op diagnosis: chronic tonsillitis. Post-op diagnosis: chronic adenoiditis and tonsillitis. Procedure: tonsillectomy and adenoidectomy. The correct diagnostic code(s) are ____________________.

Fill in the blank(s) with the appropriate word(s).