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A patient traveling in North and Central Africa is bitten by a sand fly.  The patient develops an infection at the site of the bite wound followed by extensive enlargement of the abdominal organs and intestines. A biopsy of the liver and kidneys shows organisms resembling a yeast-like cell within the macrophages. The most likely cause of this condition is:

The following organism causes benign quartan malaria with paroxysm cycles every 4 days (section of the thin smear is a typical example of other fields):

A nurse is providing care for a client who has urinary incontinence. Which of the following actions should the nurse take?

A nurse is assessing a client who has a suspected urinary tract infection. The nurse should expect which of the following findings?

The organism associated with a disease characterized by the presence of a pseudomembrane in the throat and the production of a potentially lethal exotoxin is (M16-3; Level 3):

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):