microbiology 96 Graded Ch 10 Homework 61% 0404/18 0 This is a Mixed question/ It
ID: 252699 • Letter: M
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microbiology
96 Graded Ch 10 Homework 61% 0404/18 0 This is a Mixed question/ It is worth 1 point / You haw 1 ott attempt renal ing mere is a 1% attempt penaty 10 Question ( point) ce page 294 Read the case history and then answer the oucstions. Tuberculosis: "I'll Be Back Michael, 45 years old, is a cook at a fast-food restaurant in sleep, had lost his appetite, and had and a chestX ray revealed diagnosed Michael with secondary tuberculosis. Secandary tuberculosis is caused by bacteri o Rome, Georgia. He went to see his pfyskian berause he was feehng fatigued, was unable to sleep, had lost his appetite. and had been coughing for several weeks. His sputum imaterial coughed friam denp in the lung)contained ackd fast hacil, d scattered small 1-5 mm granulomas (nodules of inflammation) throughout both lobes of the lung The physician reactivated from old lesions in which bacteris have m is Mycobacterim tubercuwosis, a facultative intracellular pathogen thet infects only and is transmitted though respir atory dropilets Michacl was placed io solatian and started an s long term.tour drusg treatmerd isoniazid (fatty acid synthesis inhibitor rfampin transcription inhibitorl.pyrazinamide (fatty acid synthesis inhibitorn, and s ecimen coresisting of Ifatty acid synthesis inhibitor and streptomycin (protein drug therapy continued for 2 mondhs, followed by 4 months withisoniazid and ritampin only, Michael esponded well to treatment. Luckilly he was not intected with one of the highly darerous multidrup resistant strains (MDR rB), 1st attempt Part 1 (0.3 point) The or ganisin that caused Michaefs infection 10/14Explanation / Answer
The organism that caused Michael's infection has an outer membrane. The causative organism is Mycobacterium tuberculosis which contains an outer membrane. The distinguishing characteristic of all Mycobacterium species is that the cell wall is thicker than in many other bacteria, being hydrophobic, waxy, and rich in mycolic acids/mycolates. The cell wall consists of the hydrophobic mycolate layer and a peptidoglycan layer held together by a polysaccharide, arabinogalactan.
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