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Case study from my microbiology class. A 65 y/o man from South Africa comes to y

ID: 48913 • Letter: C

Question

Case study from my microbiology class.
A 65 y/o man from South Africa comes to you with a severe cough. His x-ray showed haziness throughout his right lung with several round areas of clearing surrounded by haziness. You try a traditional culture, but there is no growth after 2 days. So you do an acid-fast stain on his sputum and find it is positive. A) What bacterium caused this illness? B) Why was there no growth after 2 days if there are living bacteria in the sputum? C) How long might therapy last? D) What do we call the strains of bacterium which are resistant to at least two classes of antibiotics? E) What about more than three classes? Case study from my microbiology class.
A 65 y/o man from South Africa comes to you with a severe cough. His x-ray showed haziness throughout his right lung with several round areas of clearing surrounded by haziness. You try a traditional culture, but there is no growth after 2 days. So you do an acid-fast stain on his sputum and find it is positive. A) What bacterium caused this illness? B) Why was there no growth after 2 days if there are living bacteria in the sputum? C) How long might therapy last? D) What do we call the strains of bacterium which are resistant to at least two classes of antibiotics? E) What about more than three classes? Case study from my microbiology class.
A 65 y/o man from South Africa comes to you with a severe cough. His x-ray showed haziness throughout his right lung with several round areas of clearing surrounded by haziness. You try a traditional culture, but there is no growth after 2 days. So you do an acid-fast stain on his sputum and find it is positive. A) What bacterium caused this illness? B) Why was there no growth after 2 days if there are living bacteria in the sputum? C) How long might therapy last? D) What do we call the strains of bacterium which are resistant to at least two classes of antibiotics? E) What about more than three classes?

Explanation / Answer

the causative agent is mycobacterium .

the therapy wil last for one month.

the bacterial strains which are resistant to two classes of antibiotics is called multi drug resistant strains.