10.1 TB

Question 1

important parts of social history when suspecting TB

Answer 1

-occupation
-pets
-smoker
-alcohol
-home (overcrowded?)

Question 2

what’s meant by TB being AAFB

Answer 2

acid and alcohol fast bacilli, they can withstand decolouration, and retain red colour from ziehl-neelson stain

Question 3

stain needed for MTB

Answer 3

ziehl-neelson

Question 4

primary complex

Answer 4

hon focus and primary hula lymohadenopathy

Question 5

why can some people with latent TB develop active TB?

Answer 5

‘new’ infection from exogenous source

or

reactivation due to immunocompromised state

Question 6

how to prevent peripheral neuropathy caused by isoniazid

Answer 6

vit b6

Question 7

when could patient with active TB be discharged from hospital theoretically?

Answer 7

2 weeks if appropriate meds taken and clinically stable (no longer infectious)

Question 8

how to deal with close contacts of someone with active TB

Answer 8

-self isolation
-prophylatic meds
-vaccine if needed

Question 9

pott’s disease

Answer 9

infection of vertebrae = collapse = neurological symptoms, maybe paralysis

Question 10

do IGRAs react with BCG?

Answer 10

no

Question 11

why is latent TB asymptomatic?

Answer 11

doesn’t damage tissues

Question 12

consequence of slow growth of MTB

Answer 12

cultures can take 6-12 weeks for result