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Which vectors are associated with Rickettsia spp. infection? 

Size: 12 µm Stage: [1] Most likely identification of the organism: [2] What is the structure that the black arrow is pointing to in the figure above? [3]

Size: 40 µm Stage: [1] Most likely identification of the organism: [2]  

Size: 12 µm Stage: [1] Most likely identification of the organism: [2]

Size: 18 µm Stage: [1] Most likely identification of the organism: [2]

Size: 17 µm   Stage: [1] Most likely identification of the organism: [2]

The hair from a child with apparent ringworm of the scalp shows bright green fluorescence under a Wood’s lamp. Culture of the hair yielded a fungus with pectinate hyphae and no distinct conidial structures were seen. What is the most likely identity of the fungus?

Name the type of conidia shown:         

Associate the correct characteristic with the given yeast: Geotrichum candidum

An off-white, moist, yeast-like fungus is isolated from a blood culture. It does not produce mycelia on Cornmeal Tween 80 Agar, does not ferment sugars, and produces urease at 35ºC. Choose the most likely identification for this fungus.