A) Ultrasonic cleaning and instrument washers sterilize the instruments.
B) Ultrasonic cleaning and instrument washers are less expensive.
C) Hand-scrubbing does not get the instruments clean.
D) Hand-scrubbing increases the chances of sharps injuries.
Correct Answer
verified
Correct Answer
verified
Correct Answer
verified
Correct Answer
verified
A) metal impression trays.
B) hand mirrors and napkin chains.
C) explorers and periodontal probes.
D) lightweight nonsharp items.
Correct Answer
verified
Correct Answer
verified
A) Because wiping off the outside will cause the handpiece to rust
B) Because wiping off the outside will not kill the microbes that were retracted up inside the handpiece
C) Because wiping off the outside could allow some of the damaging disinfectant to get inside the handpiece and destroy it
D) Because heat sterilization will help the internal lubricant spread to all surfaces in the turbine chamber
Correct Answer
verified
Correct Answer
verified
A) EPA
B) OSHA
C) CDC
D) FDA
Correct Answer
verified
Correct Answer
verified
A) Dry heat sterilizer
B) Unsaturated chemical vapor sterilizer
C) Steam sterilizer
D) Dry heat sterilizer and steam sterilizer
Correct Answer
verified
Correct Answer
verified
A) Never use a basket when cleaning loose instruments.
B) Using dishwashing detergent is best for cleaning dental instruments.
C) Used cleaning solution contains live microbes.
D) Instrument cassettes cannot be cleaned in an ultrasonic cleaner.
Correct Answer
verified
Correct Answer
verified
A) Thoroughly wiped down with alcohol
B) Processed with high-level disinfection
C) Sterilized in an ultrasonic cleaner
D) Heat sterilized
Correct Answer
verified
Correct Answer
verified
A) On their edges or in a single layer
B) Layered flat and stacked upon one another
C) Packed tight to reduce any air space between the packages or cassettes
D) One cassette or package at a time regardless of its size
Correct Answer
verified
Correct Answer
verified
A) In a steam autoclave at 121° C
B) In a steam autoclave at 134° C
C) In a dry heat sterilizer
D) In boiling water
Correct Answer
verified
Correct Answer
verified
A) penetrate soft tissue, contacts, bone, enters into or contacts the bloodstream or other normally sterile tissue.
B) contact mucous membranes but will not penetrate soft tissue, contact bone, enter into or contact the bloodstream or other normally sterile tissue.
C) contact the skin.
D) are very expensive and in short supply.
Correct Answer
verified
Correct Answer
verified
A) To remove as much of the bioburden as possible to give the sterilization step the best chance to work
B) To help ensure the proper functioning of the instruments after instrument processing
C) To help maintain sterility of the instruments after instrument processing
D) To facilitate the cleaning process by keeping the debris on the instruments from drying
Correct Answer
verified
Correct Answer
verified
A) There is no biological indicator that can be used to monitor the sterilization process.
B) It has a long sterilization time.
C) It causes corrosion of carbon steel instruments.
D) It requires the purchase and use of a special chemical sterilizing solution.
Correct Answer
verified
Correct Answer
verified
A) dry heat
B) steam
C) unsaturated chemical vapor
D) dry heat or steam
Correct Answer
verified
Correct Answer
verified
A) Chemical
B) Biological
C) Mechanical
D) Mechanical and biological
Correct Answer
verified
Correct Answer
verified
A) prevent rusting.
B) kill microbes.
C) reduce water spotting.
D) facilitate cleaning.
Correct Answer
verified
Correct Answer
verified
A) Pre-cleaning, holding, sterilization, corrosion control, packaging, monitoring, handling
B) Holding, pre-cleaning, corrosion control, packaging, sterilization, monitoring, handling
C) Corrosion control, pre-cleaning, packaging, holding, sterilization, monitoring, handling
D) Pre-cleaning, corrosion control, holding, sterilization, packaging, handling, monitoring
Correct Answer
verified
Correct Answer
verified
A) Once a day
B) Once a week
C) Once a month
D) Every load
Correct Answer
verified
Correct Answer
verified
A) Immediately place the packages or cassettes on a countertop for cooling and drying in the room air.
B) Unwrap the instruments and cool them down by dipping in cold sterile water.
C) Remove the instruments from the packaging material and ultrasonically clean them.
D) Let the instrument packages dry inside the sterilizer before handling them.
Correct Answer
verified
Correct Answer
verified
A) To prevent dirt or dust in the sterilizer from depositing on the instruments
B) To protect the instrument from recontamination after sterilization
C) To keep the killed microbes inside the packages so they won't contaminate the sterilizer chamber
D) To prevent rusting of the instruments
Correct Answer
verified
Correct Answer
verified
Showing 21 - 40 of 48
Related Exams