Question

1. Define the term, anorexia. 2. Define the cachexia. 3. Which pulmonary infections are associated with cavitary lesions of the lungs? 4. Which mycobacterial species are included in the Mycobacterium tuberculosis Complex? List the 4 most common species. 5. Which organism in the M.tb Complex is often identified by the niacin test? 6. Define the following terms relative to mycobacteria: a. Photochromogen b. Scotochromogen c. Nonphotochromogen d. Rapid grower 7. List 2 AFB media which are egg-based. W 8. List 2 AFB media which are chemically defined agar based media.Hl 9. List 2 liquid media used to isolate AFB. 10. List 4 antibiotics which are recommended for the treatment of M. tuberculosis. 11. The organism isolated from this patient has the following biochemical characteristics: Nonphotochromogen Growth rate >7 days Niacin production negative Nitrate reductase negative Semi-quantitative catalase positive What is the identity of this AFB? Tween 80 hydrolysis negative Arylsulfatase production negative Urease production negative Tellurite reduction positive Pyrazinamidase production positive 12. What predisposing factors contributed to this patient's acquiring this mycobacterial infection?

Answer 1

Anorexia -H is a tondition in lshich jeaple be come more Conscious o weight to mai tain it beloo normal weight and hence redutex inlate of fooct Cachexla lt Isa condiion in kshich weaknest and asting of body occun due to severe chronic illroll Pnemonia is the bulmonary inlecion associated hoith cavitary lesions obvlungs, '8orne D6 Other Inlechons are lung absco and emptena The nuaun test detect niain (niconic acid) 1Ah aquapu exha ch f culhure ty's