Microbiology&infection TCDHA midterm
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Major source of disease agents - CORRECT ANSWER - mouth
How do we control the spread of pathogens in the office? - CORRECT ANSWER -
standard precautions
Asepsis - CORRECT ANSWER - The absence of infection or infectious materials or
agents
Cross-Contamination - CORRECT ANSWER - A process that allows transfer of
microorganisms between persons and environmental surfaces
Universal Precautions - CORRECT ANSWER - consider all clients as being infected with
blood borne pathogens and therefore applying infection control procedures to the care of all
clients
direct contact - CORRECT ANSWER - Contact with microorganisms at the source as in
the clients mouth
indirect contact - CORRECT ANSWER - Contact with items contaminated with a clients
microorganisms
droplet infection - CORRECT ANSWER - Contact with sprays, splashes, aerosols or
splatter containing microorganisms
airborne infection - CORRECT ANSWER - smaller particles, can remain airborne for
hours
, Sterilization - CORRECT ANSWER - destroy/kill all mo's in a material or on an object
Disinfection - CORRECT ANSWER - process that destroys mo's, not spores & viruses
Bactericidal - CORRECT ANSWER - agent that kills bacteria
Bacteriostatic - CORRECT ANSWER - stops growth of bacteria.
Pasteurization - CORRECT ANSWER - heat process employed to reduce # of bacteria and
destroy pathogens
Lyophilization - CORRECT ANSWER - a process of preserving microbes from a
substance by removing the water, rapidly freezing, then drying it by using a vacuum pump
SPORES - CORRECT ANSWER - Bacteria that develop a defense mechanism against
death
three common types of sterilization - CORRECT ANSWER - heat, gas, liquid
Thermophiles - CORRECT ANSWER - heat loving bacteria
Psychrophiles - CORRECT ANSWER - cold loving bacteria
Obligate Aerobes - CORRECT ANSWER - grow in presence of oxygen
Obligate Anaerobes - CORRECT ANSWER - grow in absence of oxygen
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Major source of disease agents - CORRECT ANSWER - mouth
How do we control the spread of pathogens in the office? - CORRECT ANSWER -
standard precautions
Asepsis - CORRECT ANSWER - The absence of infection or infectious materials or
agents
Cross-Contamination - CORRECT ANSWER - A process that allows transfer of
microorganisms between persons and environmental surfaces
Universal Precautions - CORRECT ANSWER - consider all clients as being infected with
blood borne pathogens and therefore applying infection control procedures to the care of all
clients
direct contact - CORRECT ANSWER - Contact with microorganisms at the source as in
the clients mouth
indirect contact - CORRECT ANSWER - Contact with items contaminated with a clients
microorganisms
droplet infection - CORRECT ANSWER - Contact with sprays, splashes, aerosols or
splatter containing microorganisms
airborne infection - CORRECT ANSWER - smaller particles, can remain airborne for
hours
, Sterilization - CORRECT ANSWER - destroy/kill all mo's in a material or on an object
Disinfection - CORRECT ANSWER - process that destroys mo's, not spores & viruses
Bactericidal - CORRECT ANSWER - agent that kills bacteria
Bacteriostatic - CORRECT ANSWER - stops growth of bacteria.
Pasteurization - CORRECT ANSWER - heat process employed to reduce # of bacteria and
destroy pathogens
Lyophilization - CORRECT ANSWER - a process of preserving microbes from a
substance by removing the water, rapidly freezing, then drying it by using a vacuum pump
SPORES - CORRECT ANSWER - Bacteria that develop a defense mechanism against
death
three common types of sterilization - CORRECT ANSWER - heat, gas, liquid
Thermophiles - CORRECT ANSWER - heat loving bacteria
Psychrophiles - CORRECT ANSWER - cold loving bacteria
Obligate Aerobes - CORRECT ANSWER - grow in presence of oxygen
Obligate Anaerobes - CORRECT ANSWER - grow in absence of oxygen
