Prior to reading the results of the Voges-Proskauer test, what must be added to the tube?

When performing the spread plate method, prior to plating a _____________ must be performed. 

Which of the following is considered a structural stain?

Following addition of hydrogen peroxide, a positive result for catalase will show

What must be included in sugar fermentation broth in order to detect gas production?

An unknown sample is plated on trypticase soy agar (TSA), blood agar, and MacConkey agar. Following incubation there is growth on the TSA and growth on the blood agar with clearings around the colonies, but no growth on the MacConkey agar. What can you determine about this organism?

Southerners used all of the following to justify slavery EXCEPT:

Which of the following would be most useful when trying to maintain cultures in a laboratory setting?

Blood agar is a ____________ medium with red blood cells acting as the _______. 

Camp meetings and circuit riders (evagelists) appealed mostly to: