A laboratory professional determines that there are an average of five AFB per every 100 microscopic fields while using the carbolfuchsin stain. This would be reported as:
Blog
Which reaction is not correct for M. tuberculosis?
Which reaction is not correct for M. tuberculosis?
A 65-year-old male has developed an abdominal abscess follow…
A 65-year-old male has developed an abdominal abscess following surgery for a bowel resection. The specimen is sent to the laboratory and the gram stain shows many pleomorphic gram negative bacilli. Based on this information, which of the following are possible genera?
Rickettsia and Ehrlichia species all:
Rickettsia and Ehrlichia species all:
A first morning sputum is received for culture of mycobacter…
A first morning sputum is received for culture of mycobacteria. It is digested and concentrated by the NALC method. Two Lowenstein Jensen slants are incubated in the dark at 35 degrees C with 5-10% CO2. the smears reveal acid fast bacilli and after 7 days, no growth appears on the slants. The best explanation is:
A positive string test is used to identify:
A positive string test is used to identify:
A gram-negative diplococcus that grows on Thayer Martin agar…
A gram-negative diplococcus that grows on Thayer Martin agar can be further confirmed as N. meningitidis if it is:
Which of the following agars is used for selective isolation…
Which of the following agars is used for selective isolation of C. difficile?
Although the culture of organisms in the family Spirochaetac…
Although the culture of organisms in the family Spirochaetaceae is not generally recommended, Kelly’s medium has been useful in cultivating species of:
In concentration methods for acid fast bacilli, the sputum m…
In concentration methods for acid fast bacilli, the sputum must be: