A significant colony count was obtained from the urine culture of an 86 year-old woman. The organism was colorless on MAC and an API 20E was inoculated. Given these reactions, what is the most likely cause of this UTI? (Note: TDA positive is the same as PAD positive). 

This image is from a throat culture from a 10-year old patient. What would be the next step in working up the culture?  

The Astor Place Riots in 1849 is an example of a _______________.

Streptococcus pneumoniae can be differentiated from other alpha hemolytic streptococci using:

According to Freud's psychosexual theory of personality, the ________ stage involves a sexual reawakening as the incestuous urges resurface. The young person redirects these urges to other, more socially acceptable partners (who often resemble the other-sex parent).

Monotremes are a group of mammals that:

 A true coelom is present in:

Which phylum lacks levels of organization beyond specialized cells?

 Which phylum follows the protostome pattern of embryological development?

 The body cavity that develops within the mesoderm is called: