15.  Assuming you did not get a Red color in question #17 above, you then added a pinch of Zinc and this time you obtained a Red color.  What does this mean? (2pts).

11.  You were able to identify it as Streptococcus.  What is the next logical step you would perform to speciate it (i.e. into specie)?

12.  Your partner however identified it as Staphylococcus.  Name two specific tests you can suggest to her to enable her to speciate the organism (2pts).

6.  What is the difference between Phenol red and Neutral red indicators?.

7.   Suppose your Professor handed you a test tube with 2.0mL of E. coli broth culture and told you to make a 10-1 dilution of the ENTIRE culture.  Briefly explain how you would do this. (3pts).

21.  Name 2 ways you can recognize (identify) the oil immersion lens on your microscope.

A patient is asked to take a prescription medication ‘p.o. a.c.’ How is the patient to take the medication?

What barbiturate is a good choice for epilepsy?

Epinephrine is indicated for the emergency treatment of:  

What is the most common antihistamine used?