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You plated diluted saliva samples on Petrifilms and counted the following numbers of colonies for each dilution:  Dilution Factor 10-4 10-5 10-6 10-7 10-8 CFU/mL 1089 756 432 244 15 Which dilution factor should you use to calculate the initial CFU/mL of your sample?

A nurse is assessing the preoperative checklist of a client. Which observation listed in the preoperative checklist should the nurse verify?

When we initially isolated our microbes from the environment, we used Tryptic Soy Agar (TSA). TSA is an example of what type of media? 

In an ELISA, we treat a sample with an antibody that recognizes what structure? Hint: In class I used the example of the COVID-19 spike protein. 

What process is used to obtain optimal viewing light on a microscope?

Myeloma: originates from [plasma] cells in bone marrow; these cells produce some of the [proteins] found in blood.

Adipose tissue is a source of estrogen. Higher fat intake and obesity may be associated with increased risk of which cancers?

80% of all cutaneous melanoma is caused by:

BED vs PBE markers:

All of the following increase the risk of a high risk infant EXCEPT: