Dental Exam – 2026/2027 (Verified Q&A) | Graded A+
How many components are in the chain of infection - ANSWER six
what is the first component of the chain of infection - ANSWER The infectious agent / source (virus,
bacteria, fungi)
what is the second component of the chain of infection - ANSWER The reservoir (location of
infectious agent)
What are some examples of reservoir for infectious agents - ANSWER people, equipment, supplies,
food, water, animals or insects
How can the DA reduce cross-contamination in the reservoir - ANSWER wash hands, clean/ disinfect/
sterilize equipment and environment
what is the third component of the chain of infection - ANSWER The escape from the reservoir
what is the fourth component of the chain of infection - ANSWER Transmission
what are the types of transmission - ANSWER direct, indirect, droplet, airborne, bloodborne,
ingestion, parenteral and fecal oral
what is the difference between droplet infection and airborne infection - ANSWER Airborne
infections are small particles that stay in the air for hours, where as droplet is large particles that
splatter
what is parenteral transmission - ANSWER Same as blood/body fluid route
usually when stabbed/cut by a sharp
what is the fifth component of the chain of infection - ANSWER entry of the infectious agent
what is the sixth component of the chain of infection - ANSWER a susceptible host
, What are the types of disease transmission - ANSWER patient to dental team
Dental team to patient
Dental office to community
community to patient
What are the types of infections - ANSWER endogenous, exogenous, nosocomial, opportunistic
Endogenous infections - ANSWER Caused by microbes that are already in the body without causing
hard
what is an example of an Endogenous infection - ANSWER Dental caries and periodontal disease
exogenous infection - ANSWER caused by microbes that are not normally present in or on the body
what is an example of an exogenous infection - ANSWER hep B
Aids
Chicken pox
cold
What is a nosocomial infection? - ANSWER hospital acquired infection
What is an example of a nosocomial infection? - ANSWER Getting MRSA while staying at a rehab
center
What Hepatitis is also known as Infectious Hepatitis? (1) - ANSWER Hep A (1)
How is Hepatitis A transmitted? - ANSWER fecal-oral route
How is Hepatitis B transmitted? - ANSWER Contact with infected blood or bodily fluids
Which hepatitis has the highest occupational risk - ANSWER Hep B
How many components are in the chain of infection - ANSWER six
what is the first component of the chain of infection - ANSWER The infectious agent / source (virus,
bacteria, fungi)
what is the second component of the chain of infection - ANSWER The reservoir (location of
infectious agent)
What are some examples of reservoir for infectious agents - ANSWER people, equipment, supplies,
food, water, animals or insects
How can the DA reduce cross-contamination in the reservoir - ANSWER wash hands, clean/ disinfect/
sterilize equipment and environment
what is the third component of the chain of infection - ANSWER The escape from the reservoir
what is the fourth component of the chain of infection - ANSWER Transmission
what are the types of transmission - ANSWER direct, indirect, droplet, airborne, bloodborne,
ingestion, parenteral and fecal oral
what is the difference between droplet infection and airborne infection - ANSWER Airborne
infections are small particles that stay in the air for hours, where as droplet is large particles that
splatter
what is parenteral transmission - ANSWER Same as blood/body fluid route
usually when stabbed/cut by a sharp
what is the fifth component of the chain of infection - ANSWER entry of the infectious agent
what is the sixth component of the chain of infection - ANSWER a susceptible host
, What are the types of disease transmission - ANSWER patient to dental team
Dental team to patient
Dental office to community
community to patient
What are the types of infections - ANSWER endogenous, exogenous, nosocomial, opportunistic
Endogenous infections - ANSWER Caused by microbes that are already in the body without causing
hard
what is an example of an Endogenous infection - ANSWER Dental caries and periodontal disease
exogenous infection - ANSWER caused by microbes that are not normally present in or on the body
what is an example of an exogenous infection - ANSWER hep B
Aids
Chicken pox
cold
What is a nosocomial infection? - ANSWER hospital acquired infection
What is an example of a nosocomial infection? - ANSWER Getting MRSA while staying at a rehab
center
What Hepatitis is also known as Infectious Hepatitis? (1) - ANSWER Hep A (1)
How is Hepatitis A transmitted? - ANSWER fecal-oral route
How is Hepatitis B transmitted? - ANSWER Contact with infected blood or bodily fluids
Which hepatitis has the highest occupational risk - ANSWER Hep B
