Many common disinfectants either do not work at all against Mycobacterium spp. o

Question

Many common disinfectants either do not work at all against Mycobacterium spp. or they work poorly. The same is true for many common antibiotics.(1 pt.)

   a. Give me one reason that this is true

   b. Name one type of antibiotic that does kill acid fast bacteria.

3. Pseudomonas spp. (ex. Pseudomonas aeruginosa) are aerobic gram negative bacteria that seldom cause disease in otherwise healthy people, but can cause fatal infections in burn patients and patients with cystic fibrosis. This is because pseudomonads are extremely resistant to disinfectants, antiseptics, and antibiotics. In one or two sentences tell me one method these bacteria use to avoid being killed by chemical controls.

Explanation / Answer

b. Name one type of antibiotic that does kill acid fast bacteria.

MDR (multi drug resistant) tuberculosis by the acid fast bacteria Mycobacterium is resistant to isoniazid and rifampicin drugs.

3. Pseudomonas are extremely resistant to disinfectants, antiseptics, and antibiotics as they:

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