The stage of Strongyloides stercoralis most commonly identified in the stool is the (M50-5; Level 2):

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All of the following help to differentiate Trichophyton mentagrophytes and Trichophyton rubrum EXCEPT (M59-14;  Level 2):

A culture is taken from a nodule near a puncture wound on a gardener’s forearm.  A mold at room temp showed septate hyphae with a daisy-flower conidia arrangement.  At 37°C this culture produced cigar-shaped yeast.  This organism is most likely (M60-10, 15, 17, 21; Level 3):    

On the Thiosulfate-citrate-bile-salts-sucrose (TCBS) agar, colonies of Vibrio cholera:

The most common cause of Madura foot (a eumycotic mycetoma) in the USA is (M61-20; Level 1)?

Which of the following dermatophytes produces an ectothrix hair infection (M59-4, 7, 13, 21; Level 1):

A 24 year old was seen at a clinic with a chief complaint of weight loss and fever.  A complete blood count confirmed he was anemic.  Multiple skin lesions were present on his arms with some developing draining pus.  A gram stain of the pus revealed what appeared to be yeast-like cells.  A culture of the pus grew a green mold, which produced a red soluble pigment on the agar.  The most likely causative agent is (M60-17, 21; Level 3):

Reagents for the direct examination of skin, hair, and nails should contain ________ for digestion of keratin (M58-14; Level 1):

A culture of an infected hair that broke off close to the scalp produces a wine-red reverse on culture.  Microscopically, rare macroconidia are seen with numerous microconidia that vary in size and shape, that are perpendicular to the hyphae  The organism produces an intense red color on PDA.  The organism which causes this infection is (M59-17, 21; Level 3)