25.  Oxygen tanks must be chained or strapped to the wall to avoid accidentally knocking them over.

10.  Pumice for repair cases should be changed:

22.  Which of the following acids is usually considered to be the most dangerous acid found in the dental laboratory due to the possibility of major tissue damage?

8.  The surface disinfectant that leaves a residual effect is:

In many cases, for all age populations, pulse oximetry has replaced arterial blood gases (ABGs) as the routine method of monitoring blood oxygenation, due to its low cost, ease, and decreased potential for infection.

To preserve evidence in a criminal case, what might be done to the patient’s hands if the patient does not require surgery?

3.  Disease producing micro-organisms are referred to as:

Which special patient populations would likely require diagnostic biopsies for verification of cryptosporidiosis, candidiasis, or cytomegalovirus infections?

12. Laboratory personnel who come into contact with impressions, casts, and other potentially contaminated items should consider being vaccinated against:

19.  Infection control in dentistry is the responsibility of: