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):

What virus causes immune suppression in the host by targeting and destroying the host’s CD4+ T cells?

The following is considered an inherent problem with using serological methods for the diagnosis of a viral infection:

A sexually transmitted gram-negative diplococcus that grows on Modified Thayer-Martin media, can be further identified as Neisseria gonorrhoeae by which of the following reactions (M40-30; Level 3)?

The following is true of the Influenzae virus (M66-26; Level 2):

What organism is typically found in the San Joaquin Valley region of California (M60-13, 15, 17, 21; Level 3)?

A fungus superficially resembles Penicillium species but may be differentiated because its’ phialides are long and tapering and bend away from the central axis.  The most probable identification is (M58-11, 59-17; Level 2):

A graduate student returning from a month-long fieldwork experience in South America develops a dark nodular lesion on the left hand. Microscopic examination of the nodule reveals, dark, coin-like inclusions. The following is the most likely type of mycoses (M59-17, 21; Level 3)?

The following disease is a latent infection caused by the varicella zoster virus (VZV) (M66-6, 7; Level 2):

A urine culture from a patient with a urinary tract infection yields a yeast that is germ tube negative, does not produce hyphae on cornmeal agar, is urease negative, and assimilates trehalose.  The most likely identification is (M62-21; Level 3):