<prompt> A patient with AIDS and CD4 cell count of 100ml, has a presistent fever and a weight loss associated with invasive pulmonary disease due to M avium complex. Optimal management of this case requires:Select an antibiotic regimen based on drug susceptibility of the cultured organismSta treatment with isoniazid and rifampicinTreat the patient with clarithromycin, ethambutol and rifabutinTreat with trimethoprim sulfamethoxazole  <response>: Ref: KDT 6e p750 Mycobacterium avium complex infection is treated with combination of rifabutin, ethambutol and clarithromycin. 