ADAA Exam Questions and Answers With Verified Solutions 2025
Microbiology is the study of? - ✔✔Small life forms
___________ Is not apart of understanding the physical and chemical properties of microorganisms for
the purposes of infection control. - ✔✔The life cycle of microorganisms.
Microorganisms are ___________? - ✔✔Less harmful than helpful to humans.
Yeasts are a type of? - ✔✔Fungi.
_____________ is not considered significant in dental infection control? - ✔✔Protozoa
_______________ Is not consistent with bacteria. - ✔✔RNA characteristics
When stained with the gram stain, gram negative bacteria appear _____________. - ✔✔Pink or red.
When stained with a gram stain, gram positive bacteria appear ______________. - ✔✔Blue or purple
______________ is not one of the three basic shapes of bacteria? - ✔✔Rectangular
Agents or conditions that prevent bacterial growth without killing them are ______________. -
✔✔Bacteriostatic
Disinfectants used to kill microorganisms are appropriate for ______________. - ✔✔Inanimate objects
Human viruses range in size from ____________. - ✔✔0.02-0.3 um
______________ is the protein coat surrounding viruses. - ✔✔Capsid
, ________________ are not fungi. - ✔✔MIldews
_____________ is a type of microorganism which causes oral candidiasis. - ✔✔Fungi
__________________ are microorganisms that cause infectious diseases. - ✔✔Pathogens
Endogenous diseases are caused by organisms found in _____________. - ✔✔The persons own body.
Disease transmission from direct contact in a dental setting is a result of _____________. - ✔✔Contact
with microorganisms at the source.
Disease transmission from airborne contact in a dental setting is a result of ____________. - ✔✔Contact
with smaller droplet nuclei containing microorganisms.
Disease transmission from indirect contact in a dental setting is a result of ___________. - ✔✔Contact
with items contaminated with a patients microorganisms.
Disease transmission from droplet contact in a dental setting is a result of ________________. -
✔✔Contact with spray, splashes or spatter containing microorganisms.
The inhalation route of disease transmission occurs from __________________. - ✔✔Breathing aerosol
particles generated during treatment.
The number of hepatitis viruses that cause disease is known to be at least ______________. - ✔✔six
_______________ is not a bloodborne disease. - ✔✔Hepatitis A
________________ of individuals infected with hepatitis B, will become more chronic carriers. - ✔✔5-
10%
Microbiology is the study of? - ✔✔Small life forms
___________ Is not apart of understanding the physical and chemical properties of microorganisms for
the purposes of infection control. - ✔✔The life cycle of microorganisms.
Microorganisms are ___________? - ✔✔Less harmful than helpful to humans.
Yeasts are a type of? - ✔✔Fungi.
_____________ is not considered significant in dental infection control? - ✔✔Protozoa
_______________ Is not consistent with bacteria. - ✔✔RNA characteristics
When stained with the gram stain, gram negative bacteria appear _____________. - ✔✔Pink or red.
When stained with a gram stain, gram positive bacteria appear ______________. - ✔✔Blue or purple
______________ is not one of the three basic shapes of bacteria? - ✔✔Rectangular
Agents or conditions that prevent bacterial growth without killing them are ______________. -
✔✔Bacteriostatic
Disinfectants used to kill microorganisms are appropriate for ______________. - ✔✔Inanimate objects
Human viruses range in size from ____________. - ✔✔0.02-0.3 um
______________ is the protein coat surrounding viruses. - ✔✔Capsid
, ________________ are not fungi. - ✔✔MIldews
_____________ is a type of microorganism which causes oral candidiasis. - ✔✔Fungi
__________________ are microorganisms that cause infectious diseases. - ✔✔Pathogens
Endogenous diseases are caused by organisms found in _____________. - ✔✔The persons own body.
Disease transmission from direct contact in a dental setting is a result of _____________. - ✔✔Contact
with microorganisms at the source.
Disease transmission from airborne contact in a dental setting is a result of ____________. - ✔✔Contact
with smaller droplet nuclei containing microorganisms.
Disease transmission from indirect contact in a dental setting is a result of ___________. - ✔✔Contact
with items contaminated with a patients microorganisms.
Disease transmission from droplet contact in a dental setting is a result of ________________. -
✔✔Contact with spray, splashes or spatter containing microorganisms.
The inhalation route of disease transmission occurs from __________________. - ✔✔Breathing aerosol
particles generated during treatment.
The number of hepatitis viruses that cause disease is known to be at least ______________. - ✔✔six
_______________ is not a bloodborne disease. - ✔✔Hepatitis A
________________ of individuals infected with hepatitis B, will become more chronic carriers. - ✔✔5-
10%
