A subcutaneous nodule develops in a florist and is submitted for microbiology cultures.  Fungal cultures incubated at 30ºC grow a small, white yeast-like colony which later becomes wrinkled and leathery and brown in color.  On microscopic examination, thin septate hyphae with slender tapering conidiophores are observed, the apex of which bears small, pear-shaped conidia on delicate denticles forming a rose-like cluster.  What is the likely identification?

Mold species that grow as mold at room temperature and yeast at body temperature are referred to as:

The main purpose of the KOH test is to:

In concentration methods for acid fast bacilli, the sputum must be:

Plasmodium falciparum:

The preferred laboratory method for diagnosing relapsing fever is:

The Weil-Felix reaction used to identify rickettsial infections is based on agglutination with strains of:

The Mycobacterium species that can be cultured only in mouse footpads or armadillos:

What is the advantage of low pH SAB?

Two OF tubes are removed from the incubator. The tubes do not contain a mineral oil overlay and caps are loose. The tech notices that both tubes have turned yellow. What can be concluded about this test?