Blog

An exofoliatin produced by Staphylococcus aureus is responsible for causing (M13-2; Level 2):

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):

¿Masculino o femenino? Complete each blank with the correct definite article “el” or “la” based on the gender of the noun.  [1] mapa [2] profesor [3] clase [4]  semestre  [5] tarea [6] universidad [7] estadio [8] tiza [9] horario [10] examen

Which of the following Aspergillus sp. has a cinnamon brown color with smooth walled conidia that are formed at the end of two rows of phialides (biseriate) which point straight up covering at least ½ of the vesicle (M60-17, 21; Level 3)?

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):

A patient who recently traveled to a buffalo ranch in Montana develops septicemia with a GPB.  The organism is non-hemolytic and non-motile.  Which of the following must be ruled out immediately due to public health concerns (M15-2, 3; Level 3)?

The infective stage of this organism is (M50-5, 11; Level 3):

Which of the following organism(s) is/are dematiaceous (M61-11, 20; Level 1)?

The infective larvae of Strongyloides stercoralis penetrates the skin and migrates through the circulatory system to the heart and lungs. The organism enters the bronchial tree and is then swallowed, entering the digestive tract, where the organism matures into an adult worm. The common name of this parasite is the (M50-9; Level 1)?

Which of the following is a characteristic of Legionella pneumophila (M34-2; level 1)?