CLS Review: Mycobacteria Questions and Answers Already Passed
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CLS Reviw: Mycobacteria
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CLS Reviw: Mycobacteria
CLS Review: Mycobacteria Questions
and Answers Already Passed
What is the most common method used to confirm the presence of Mycobacterium tuberculosis
in a sputum sample?
Acid-fast bacilli (AFB) smear
Gram stain
Blood culture
Catalase test
Which of the following Mycobacterium species...
CLS Review: Mycobacteria Questions
and Answers Already Passed
What is the most common method used to confirm the presence of Mycobacterium tuberculosis
in a sputum sample?
✔✔Acid-fast bacilli (AFB) smear
Gram stain
Blood culture
Catalase test
Which of the following Mycobacterium species is most commonly associated with pulmonary
infections in humans?
Mycobacterium leprae
✔✔Mycobacterium tuberculosis
Mycobacterium bovis
Mycobacterium avium
What medium is typically used for the primary isolation of Mycobacterium species?
Blood agar
1
,✔✔Lowenstein-Jensen medium
MacConkey agar
Chocolate agar
Which Mycobacterium species is responsible for causing leprosy?
Mycobacterium kansasii
✔✔Mycobacterium leprae
Mycobacterium bovis
Mycobacterium tuberculosis
Which staining technique is used to identify Mycobacteria in clinical specimens?
Gram stain
✔✔Ziehl-Neelsen stain
Wright stain
Löffler’s methylene blue
Which of the following is a non-tuberculous Mycobacterium species commonly found in water
and soil?
2
, Mycobacterium tuberculosis
✔✔Mycobacterium avium
Mycobacterium leprae
Mycobacterium kansasii
What is the recommended incubation temperature for Mycobacterium tuberculosis cultures?
✔✔37°C
25°C
45°C
30°C
Which is the most accurate test to detect Mycobacterium tuberculosis DNA?
Polymerase chain reaction (PCR)
✔✔GeneXpert MTB/RIF
Enzyme-linked immunosorbent assay (ELISA)
Wright-Giemsa stain
3
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