NDAEB UPDATED 2026 EXAMS SET QUESTIONS AND
ANSWERS SURE A+
✔✔Sodium Hypochlorite - ✔✔Surface disinfectant commonly known as household
bleach.
✔✔Splash, Spatter and Droplet Surface - ✔✔Surface that does not contact members of
the dental team or contaminated instruments or supplies.
✔✔Sporicidal - ✔✔Capable of killing bacterial spores.
✔✔Sterilant - ✔✔Agent that kills all microorganisms.
✔✔Sterilization - ✔✔Process that kills all microorganisms.
✔✔Surface Barrier - ✔✔Fluid-resistant material used to cover surfaces likely to become
contaminated.
✔✔Synthetic Phenol Compound - ✔✔EPA-registered intermediate-level hospital
disinfectant with broad-spectrum disinfecting action.
✔✔Touch Surface - ✔✔Surface directly touched and contaminated during procedures.
, ✔✔Transfer Surface - ✔✔Surface not directly touched but often contacted by
contaminated instruments.
✔✔Tuberculocidal - ✔✔Capable of inactivating tuberculosis-causing microorganisms.
✔✔Virucidal - ✔✔Capable of killing some viruses.
✔✔Autoclave - ✔✔Instrument for sterilization be means of moist heat under pressure.
✔✔Biologic Indicators - ✔✔Vials or strips, that contain harmless bacterial spores, used
to determine whether sterilization has occurred. AKA Spore tests.
✔✔Biologic Monitoring - ✔✔Verifies sterilization by confirming that all spore forming
mircroorganims have been destroyed.
✔✔Chemical Vapour Sterilization - ✔✔Sterilization by means of hot formaldehyde
vapours under pressure.
✔✔Clean Area - ✔✔Place where sterilized instruments, fresh disposable supplies, and
prepared trays are stored.
✔✔Contaminated Area - ✔✔Place where contaminated items are brought for
precleaning.
✔✔Critical Instrument - ✔✔Item used to penetrate soft tissue or bone.
✔✔Dry Heat Sterilizer - ✔✔Instrument for sterilization by means of heated air.
✔✔Endospore - ✔✔A resistant, dormant structure formed inside of some bacteria that
can withstand adverse conditions.
✔✔Event-related Packaging - ✔✔Instruments in packages should remain sterile
indefinitely unless an event causes them to become contaminated.
✔✔Multi-parameter Indicators - ✔✔Strips placed in packages that change color when
exposed to a combination of heat, temperature, and time. AKA Process integrators.
✔✔Noncritical Instrument - ✔✔Item that comes in contact with intact skin only.
✔✔Process Indicators - ✔✔Tapes, strips, or tabs with heat sensitive chemicals that
change color when exposed to certain temperature.
✔✔Process Integrators - ✔✔Strips placed in packages that change color when exposed
to a combination of heat, temperature, and time.
ANSWERS SURE A+
✔✔Sodium Hypochlorite - ✔✔Surface disinfectant commonly known as household
bleach.
✔✔Splash, Spatter and Droplet Surface - ✔✔Surface that does not contact members of
the dental team or contaminated instruments or supplies.
✔✔Sporicidal - ✔✔Capable of killing bacterial spores.
✔✔Sterilant - ✔✔Agent that kills all microorganisms.
✔✔Sterilization - ✔✔Process that kills all microorganisms.
✔✔Surface Barrier - ✔✔Fluid-resistant material used to cover surfaces likely to become
contaminated.
✔✔Synthetic Phenol Compound - ✔✔EPA-registered intermediate-level hospital
disinfectant with broad-spectrum disinfecting action.
✔✔Touch Surface - ✔✔Surface directly touched and contaminated during procedures.
, ✔✔Transfer Surface - ✔✔Surface not directly touched but often contacted by
contaminated instruments.
✔✔Tuberculocidal - ✔✔Capable of inactivating tuberculosis-causing microorganisms.
✔✔Virucidal - ✔✔Capable of killing some viruses.
✔✔Autoclave - ✔✔Instrument for sterilization be means of moist heat under pressure.
✔✔Biologic Indicators - ✔✔Vials or strips, that contain harmless bacterial spores, used
to determine whether sterilization has occurred. AKA Spore tests.
✔✔Biologic Monitoring - ✔✔Verifies sterilization by confirming that all spore forming
mircroorganims have been destroyed.
✔✔Chemical Vapour Sterilization - ✔✔Sterilization by means of hot formaldehyde
vapours under pressure.
✔✔Clean Area - ✔✔Place where sterilized instruments, fresh disposable supplies, and
prepared trays are stored.
✔✔Contaminated Area - ✔✔Place where contaminated items are brought for
precleaning.
✔✔Critical Instrument - ✔✔Item used to penetrate soft tissue or bone.
✔✔Dry Heat Sterilizer - ✔✔Instrument for sterilization by means of heated air.
✔✔Endospore - ✔✔A resistant, dormant structure formed inside of some bacteria that
can withstand adverse conditions.
✔✔Event-related Packaging - ✔✔Instruments in packages should remain sterile
indefinitely unless an event causes them to become contaminated.
✔✔Multi-parameter Indicators - ✔✔Strips placed in packages that change color when
exposed to a combination of heat, temperature, and time. AKA Process integrators.
✔✔Noncritical Instrument - ✔✔Item that comes in contact with intact skin only.
✔✔Process Indicators - ✔✔Tapes, strips, or tabs with heat sensitive chemicals that
change color when exposed to certain temperature.
✔✔Process Integrators - ✔✔Strips placed in packages that change color when exposed
to a combination of heat, temperature, and time.
