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One of the factors that allows Mycoplasma to infect the respiratory tract and the urogenital tract is that:

The following organism was isolated from an immunocompetent patient with chronic sinusitis. This organism is most likely: pic17.jpg 

A Seattle woman with HIV complains of headaches and also displays some memory loss. Because of her history, the physician collects cerebrospinal fluid (CSF) and sends it to the laboratory for analysis. The following image is seen using India ink stain. What is the most likely identification of this organism? pic20.jpg 

Spirochetes are made up of all the following except:

What disease causes the condition primary atypical pneumonia?

An international male student from Egypt comes to the campus clinic complaining of blood in his urine. A urinalysis reveals the parasite seen below. This organism is: pic14.jpg 

What is the name of the group of bacteria that are gram-positive rods often referred to as pallisading or Chinese letters when viewed in a Gram stain?

A man is taking a shower and notices this lesion on his penis that is not tender but is firm with a clean surface and raised edges. He is quite dismayed, so he goes to his physician. The physician does a rapid plasmin reagin (RPR) and a darkfield microscopy. Both tests are positive. What is the physician’s probable diagnosis?

 All of the following diseases are produced by Treponema except:

 How long are anaerobic cultures routinely held in the laboratory?