Multiple Choice
In identification of mycobacterial isolates, the niacin test involves
A) the accumulation of niacin in the medium in which the organism is growing.
B) the metabolism of niacin to nicotinic acid by enzymatic action.
C) testing the isolate for susceptibility to niacin.
D) utilization of niacin in metabolic pathways to produce nicotinic acid.
Correct Answer:
Verified
Correct Answer:
Verified
Q10: A positive tuberculin skin test,or PPD test,is
Q11: Photochromogens can be described as are referred
Q12: Slow-growing nontuberculous mycobacteria whose colonies are pigmented
Q13: Optimal conditions for recovery of M.haemophilum from
Q15: The fluorochrome method of staining Mycobacterium<br>A)is less
Q17: The tuberculin skin test, or PPD test,
Q18: For reliable results, the niacin test should
Q19: Slow-growing nontuberculous mycobacteria whose colonies become pigmented
Q20: Slow-growing nontuberculous mycobacteria whose colonies produce no
Q21: The recent emergence of epidemic multidrug-resistant strains