MLS Parasitology/Mycology Exam | Questions with 100% Correct Answers | Verified

For which clinical specimens is the Potassium hydroxide direct mount technique for examination of fungal cultures? - Skin The India ink stain is used as a presumptive test for the presence of which organism? - Cryptococcus neoformans in CSF Cutaneous disease involving skin, hair and nails usually indicates an infection with a: - Dermatophyte What is the first step to be performed in the identification of an unknown yeast isolate? - Germ tube test An isolate produced a construction that was interpreted as a positive germ tube, but Candida albicans was ruled out when confirmatory tests were performed. Which of the following fungi is the most likely identification? - Candida tropicalis Cornmeal agar with Tween eighty is used to identify which characteristic of an unknown yeast isolate? - All of these options: true hyphae, pseudo hyphae, blastoconidia, arthroconidia, and chlamydospores Blastoconidia are the beginning of which structures? - Pseudohyphae An isolate from CSF growing on cornmeal agar produces the following structures: Positive Blastoconidia. Negative Chlamydospores. Negative Pseudohyphae. Negative Arthroconidia.