72 



BACTERIOLOGICAL EXAMINATION 



Collection of Sputum. Sputum to be examined 

 for the tubercle bacillus should be received in a 



Showing the method of taking a culture from the pharynx. (Morrow.) 

 FIG. 22 



Wide mouthed bottle for collecting sputum. 



thoroughly cleansed and dried wide-mouthed bottle. 

 This is given to the patient that he may expectorate 



