Contaminated instruments used on one patient are cleaned, packaged and heat-sterilized before they are used on anyone else. Which link in the chain of infection is broken by this step? A The mode of transmission (indirect contact) B The portal of entry C The reservoir D The susceptible host
Practice questions based on the DANB Radiation Health and Safety (RHS), Infection Control (ICE), and General Chairside Assisting (GC) content outlines, CDC dental infection-prevention guidance, the OSHA Bloodborne Pathogens Standard, and ADA/FDA radiographic selection criteria. DANB, CDA, RHS, ICE, and GC are marks of the Dental Assisting National Board; this site is not affiliated with or endorsed by DANB. The duties a dental assistant may legally perform — and any radiography permit or certification required — are set by your own state dental board. Confirm current requirements with that board and with DANB before testing.
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