What Is the Proper Specimen for Culture and Identification of the Agent

Multiple Choice

What is the proper specimen for culture and identification of the agent of acute sinusitis?

A) Aspirated material that has been collected by puncture of the maxillary sinus
B) Drainage material found in the upper respiratory passages that has been collected with a swab
C) Coughed up sinus drainage collected in a sterile cup
D) Sinus drainage