THE CAPACITY OF SOLVING SITUATIONS IN DIAGNOSIS AND GRAM STAIN, AFB TEST PERFORMANCE IN CLINICAL MICROBIOLOGY LABORATORIES The Gram stain and AFB tests help to localize the pathogenic bacteria which belongs to the Gram (-) or (+), cocci or bacilli, semiquantitative tuberculosis bacterium, which helps medical doctors can localize what antibiotic can be used while awaiting the identificating results [1].