MYCOBACTERIA

Question 1

“cauliflower-like” colonies
they are SLOW growers

Answer 1

M. tuberculosis

Question 2

Primary TB Drugs

Answer 2

RIPES

Question 3

Secondary MDR-TB Drugs

Answer 3

Amikacin. Kanamycin, Capreomycin

Question 4

3rd Line of Drugs (XDR-TB)

Answer 4

Rifabutin, Macrolides, Linezolid

Question 5

3rd Line of Drugs (XDR-TB)

Answer 5

Rifabutin, Macrolides, Linezolid

Question 6

Treatment

Answer 6

6-9 months

Question 7

Immunization

Answer 7

BCG - Bacillus Calmete Guerin

Question 8

Extrapulmonary TB

Answer 8

Pott’s disease
Scrofula (Cervical lymph nodes)

Question 9

TB-DOTS

Answer 9

Direct Observation Treatment Short Course

Question 10

Bartlett’s Criteria

Answer 10

Epithelial cells <10/lpf (presence of mucus strand and Neutrophil)
Pus cells >25/lpf

Question 11

Partially Acid Fast Organisms

Answer 11

Nocardia
Gordonia
Rhodococcus
Tsukamurella
Legionella micdadei

Question 12

Distinct Acid Fast Organisms

Answer 12

Mycobacterium
Cryptosporidium
Isospora

Question 13

Egg-based Media

Answer 13

Lowenstein-Jensen (most common used_
Petragnani (heavy contamination)
American Thoracic Society
Dorset Egg Medium (6 to 8 months of grow at 37degC)

Question 14

Culture

Answer 14

Gold standard

Question 15

Agar-based Media

Answer 15

Middlebrook 7H11 (10 -12 days of growth can be used in susceptibility testing)
Middlebrook 7H10

Question 16

Selective Media

Answer 16

Gruft Modified Lowenstein-Jensen
Mycobactosel