A patient presenting with mild abdominal pain and proglottid…

A patient presenting with mild abdominal pain and proglottids in the feces. The ova & parasite exam demonstrates a yellow-brown egg measuring 33 um that is surrounded by a thick wall with radial striations.  Internally a six-hook oncosphere is visible. The most likely identification is (M53-4, 10, 11; Level 3):

A neonatal blood culture collected through a catheter grows…

A neonatal blood culture collected through a catheter grows a small yeast.  The direct microscopic exam shows a mixture of hyphae and blastoconidia.  The blastoconidia are round at one end with a bud-like structure at the other.  The organism did not grow on routine Sabouraud Dextrose agar until oil was added.   The agent of this infection is most likely (M62-17, 21; Level 3):