Explain three of the advantages incumbents have over challengers in congressional elections.

A written declaration that a president may make when signing a bill into law is known as which of the following?

Although some strains may possess K antigen, which member of Enterobacteriacea is classified serologically by O antigen, because it lacks H antigen?

Organisms of this genus are gram negative, motile rods.  A few are chromogenic and produce a red non-water soluble pigment.  Some have been implicated in septicemia, pulmonary and urinary tract infections. One member of this genus is:

The detection of a distinct odor is often helpful in the presumptive identification of  bacterial culture isolates.  Which of the bacterial GNR species produces a distinctive sweet or fruity smell?

This term describes an infection acquired during hospitalization:

The real leadership power in the Senate rests in the hands of whom?

The stock culture needed for quality control testing of oxidase production are:

In the Escherichia coli 0157:7 The 0157 portion of the serotype refers to which of the following?

Following a 2 week camping trip to the southwest (US), a 65 year old male patient was hospitalized with high fever and an inflammatory swelling of the axilla and groin lymph nodes. Several blood cultures were obtained with the result of growing gram negative rods resembling “closed safety-pins”. The organism grew on MacConkey agar showing non-lactose fermenting colonies. Testing demonstrated a non-motile rod that was biochemically inert. The most likely identification?