Mycobacterium

Question 1

What differentiate mycobacterium tuberculosis acid fastness? 
A) polysaccharide 
B) glycoprotein 
C) mycolic acid 
D) polymaleic acid

Answer 1

C) mycolic acid

Question 2

which of the following is identified by Zeil-nilhsen stain? (‘15 final)
A) Streptococcus pneumophillus
B) Staphylococcus aureus
C) Mycobacterium leprae

Answer 2

C) Mycobacterium leprae

Question 3

In which of the following medium does mycobacterium tabassi grow?

Answer 3

Lowenstein-Jensen

Question 4

What makes mycobacterium resistant to ordinary stains? (‘12 final)

Answer 4

Mycolic acid and glycolipid

Question 5

what ghon focus and enlarged hilar lymph nodes are called in TB ? * Final 2010

Answer 5

Primary complex

Question 6

What stain do we use to visualize mycobacterium tuberculosis?
A) TCBS stain
B) Ziehl neelsen

Answer 6

B) Ziehl neelsen

Question 7

What stain do we use to visualize mycobacterium tuberculosis?

Answer 7

Ziehl neelsen

Question 8

Which of the following causes latent infection?(FB2 2013)
A-cholera
B-Mycobacterium tuberculosis

Answer 8

Mycobacterium tuberculosis

Question 9

Which of the following contributes to acid fastness by Mycobacterium tuberculosis?(FB2 2013)
A. Peptidoglycan
B.Mycolic acid

Answer 9

Mycolic acid

Question 10

What substance in the cell wall of mycobacterium tuberculosis confers resistance to gram stain?( FB2 2014 )
A) mycolic acid
B) Peptidoglycan
C)Phospholipid bilayer

Answer 10

mycolic acid

Question 11

Which of the following virulence factors of mycobacterium tuberculosis aid in the formation of tubercule?( FB2 2014 )
A) Mycolic acid
B) Intracellular growth
C) Antigen 85 complex

Answer 11

Antigen 85 complex