Mycobacteria 24.11.23

Question 1

What disease is caused by the mycobacteria ‘M.tuberculosis’

Answer 1

Tuberculosis

Question 2

What disease is caused by the mycobacteria ‘M.leprae’

Answer 2

Leprosy

Question 3

What disease is caused by the mycobacteria ‘M.avium’

Answer 3

Disseminated infection in AIDS, infections in patients with chronic lung disease

Question 4

What disease is caused by the mycobacteria ‘M.kansasii’

Answer 4

Chronic lung infection

Question 5

What disease is caused by the mycobacteria ‘M.marinum’

Answer 5

Fish tank granuloma

Question 6

What disease is caused by the mycobacteria ‘M.ulcerans’

Answer 6

Buruli ulcer

Question 7

Do mycobacteria take up gram stain?

Answer 7

No

Question 8

What stain is used on mycobacteria?

Answer 8

Ziehl-Neelsen stain

Question 9

What makes the inital ‘contact’ in primary tuberculosis?

Answer 9

Alveolar macrophages

Question 10

What happens during latent tuberculosis?

Answer 10

Common-mediated immune response from T-cells, NO clinical disease

Question 11

What happens in pulmonary tuberculosis?

Answer 11

Granulomas from around bacilli that have settled in apex (less blood supply in apex therefore less defending white blood cells)

Question 12

If the granuloma forms or fails to form around the mycobacteria, what happens to the mycobacteria?

Answer 12

If it works, mycobacteria shut down metabolically to survive (dormancy). I fit fails, can result in formation of cavity full of live mycobacteria

Question 13

What is the name of the tuberculosis skin test?

Answer 13

Mantoux