Exam 42: Mycobacteria

The recent emergence of epidemic multidrug-resistant strains of M.tuberculosis in conjunction with the ending of the downward trend of reported cases of tuberculosis in the United States has been largely attributed to

Under what circumstance might slow-growing mycobacteria appear to produce colonies in a few days?

The first test that is always performed on organisms growing on solid or liquid mycobacterial media is

Acid-fast smears should be examined carefully by scanning at least how many oil immersion fields?

The Runyon system of classification is based on

To inoculate test media, such as biochemical tests and pigmentation and growth rate determinations, the laboratorian would

The specimen of choice for detecting tuberculous pulmonary mycobacterial disease is

The specimen of choice for detecting nontuberculous pulmonary mycobacterial disease is

The term complex as used in "M.tuberculosis complex"

The primary reservoir of the mycobacterium responsible for leprosy is

In identification of mycobacterial isolates, the Tween 80 test involves

The specimen of choice for detecting urinary tract mycobacterial disease is

When culturing for Mycobacterium, rapid-growers usually produce colonies within how many days after subculture?

The fluorochrome method of staining Mycobacterium

The specimen of choice for detecting mycobacterium in a skin lesion or wound is

The stain that does not require heating the slide for better penetration of stain into the mycobacterial cell wall is known as the

A cell wall that contains N-glycolylmuramic acid and a very high lipid content is a characteristics that is found in which bacteria?

One drawback associated with the fluorochrome stain method for detecting Mycobacterium is that

The most commonly isolated mycobacterium in the United States is

In identification of mycobacterial isolates, the catalase test involves