Which part of the human digestive tract cannot be colonized by microorganisms?

The police have brought to the ED a man found lying on a city park bench and it is 76oF outside. He was found unresponsive to their efforts in getting him to wake up and move. You proceed to the ED.The ED physician asks you to assess the patient’s oxygenation status. Which of the following methods will quickly provide the necessary information?

In which of the following scenarios would selective media most likely be used to DECREASE the number of normal microbiota?

This type of Escherichia coli is can produce shiga toxin and has animal reservoirs. 

A nurse working in a large hospital harbors MRSA as part of the normal microbiota in his nose. He is most likely the source of a MRSA outbreak if

All of the following explain why women get urinary tract infections more often than men EXCEPT

When using visuals/illustrations, you should consider all of the following EXCEPT

When writing warnings, cautions, and hazards, remember that

Scenario: Curly has been tasked with writing the cover letter for a proposal his boss has been working on for weeks.  After he submitted his letter to his boss for review, he gets it back with the following lines crossed out and the words “REWRITE” written in red.  “We look forward to the opportunity to submit our full proposal.  Your firm is known for its commitment to excellence and value, which we are confident we offer.  It would indeed be a profound privilege for us to work with you on this project.” Looking over the sentences, Curly decides that his boss wants him to revise them because they

Instructions might include all but ONE of the following: