Match the serogroup with the associated Shigella species. (7.8)

This parasite that has an axostyle extending the length of the parasite and an undulating membrane extending only half-way along the length of the parasite is the cause of itchy, foul-smelling mucopurulent vaginal discharge.  (19.3)

Which test is positive when you see enhanced beta-hemolysis (often in the shape of an arrowhead)?  (5.11)

Which of the following are diagnostic characteristics of Listeria?

This cause of amoebic dysentery, shown above ingesting a red blood cell, has a trophozoite form with a single nucleus and a cyst form with 1-4 nuclei and small, centrally placed karyosomes.  (19.3)

Which organism causes the plague?  (7.16)

Which hepatitis virus is NOT associated with either a carrier state or chronic hepatitis?  (18.5)

Lancefield separated the Streptococcus species based on:  (5.3)

Which coagulase-negative Staphylococcus species is the most resistant to novobiocin?  (4.10)

Which of the following IMVC results corresponds to Escherichia coli? (7.7)