Mycobacteria Flashcards
1
Q
The best specimen for recovery of the mycobacteria from a sputum sample is the:
A
First morning specimen
2
Q
What [sodium hydroxide] is used to prepare a working decontamination solution for the processing of not normally sterile specimens for mycobacteria?
A
4% NaOH
3
Q
Which Mycobacterium species produces the enzyme to convert niacin to niacin ribonucleotide?
A
Mycobacterium tuberculosis
4
Q
What is the most appropriate nonselective medium for recovery of mycobacteria from a heavily contaminated specimen?
A
Petragnani agar
5
Q
Which mycobacterium are used for rapid growers and slow growers, respectively?
A
M fortuitum and M tuberculosis
6
Q
Which of the following Mycobacterium species produce pigmented colonies in the dark (scotochromogen)?
A
Mycobacterium szulgai
