At the end of a labor and delivery nurse's shift, a nurse leaves a woman in labor before the nurse's replacement arrives. What kind of negligence does this constitute? 

What mixture of helium:oxygen can be administered with the CareFusion AVEA?

a. 60% helium:40% oxygen c. 80% helium:20% oxygen b. 70% helium:30% oxygen d. 90% helium:10% oxygen

All of the following features are found in the culture test except one. Which one is the exception?

A) Determines antibiotic sensitivity B) Specific for targeted periodontal pathogens C) Rapid identification D) Expensive E) Specimen collected chairside