1|Page
NWCA CERTIFIED ENVIRONMENTAL TECHNICIAN
(CET) EXAMINATION COMPLETE VERIFIED
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR JUST RELEASED
What are the six links in the chain of infection? - Answer-
Infectious agent, reservoir, portal of exit, mode of
transmission, portal of entry, susceptible host
How to break the second (reservoir) link in the change of
infection? - Answer-Good health & hygiene, effective
cleaning/disinfecting & follow infection control policies
including standard precautions for all patients.
How to break the third (portal of exit) in the change of
infection? - Answer-Don't come to work when you are sick,
hand hygiene, trash & waste disposal, control secretions &
excretions/other body fluids.
How to break the fourth (mode of transmission) in the
change of infection? - Answer-Follow facility infection
control policies including standard precautions, hand
hygiene, airflow, isolation precautions (contact, droplet,
airborne).
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How to break the fifth (portal of entry) link in the change of
infection? - Answer-Aseptic technique, wound care, hand
hygiene, catheter care
How to break the sixth (susceptible host) link in the
change of infection? - Answer-Treat the primary disease &
recognize high-risk patients.
How does the change of infection start? - Answer-It starts
with a single thing called a pathogen.
What is the most difficult to kill & require sterilization? -
Answer-Prions
What are prions? - Answer-Infection proteins
What can you do to prevent the spread of c-diff? - Answer-
Wearing proper PPE, using the proper disinfectant
cleaner, washing hands with soap & water only.
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What is Acinetobacter? - Answer-It is an environmentally
hardy bacteria commonly found in soil & water that causes
a variety of diseases.
True or False: Acinetobacter can survive days to months
on surfaces. - Answer-True
How do you prevent the spread of Acinetobacter? -
Answer-By routine cleaning/disinfecting high-touch patient
surfaces and equipment with EAP approved product.
How can you prevent the spread of MRSA (Methicillin
resistant Staphylococcus aureus)? - Answer-By routine
cleaning/disinfecting high-touch patient surfaces &
equipment with an EPA approved product. Practice proper
hand hygiene.
How can you prevent Enterococci? - Answer-By routine
cleaning/disinfecting high-touch patient surfaces &
equipment using an EPA approved product.
What is Enterococci? - Answer-A type of bacteria that is
usually found in intestines.
NWCA CERTIFIED ENVIRONMENTAL TECHNICIAN
(CET) EXAMINATION COMPLETE VERIFIED
QUESTIONS AND DETAILED SOLUTIONS LATEST
UPDATE THIS YEAR JUST RELEASED
What are the six links in the chain of infection? - Answer-
Infectious agent, reservoir, portal of exit, mode of
transmission, portal of entry, susceptible host
How to break the second (reservoir) link in the change of
infection? - Answer-Good health & hygiene, effective
cleaning/disinfecting & follow infection control policies
including standard precautions for all patients.
How to break the third (portal of exit) in the change of
infection? - Answer-Don't come to work when you are sick,
hand hygiene, trash & waste disposal, control secretions &
excretions/other body fluids.
How to break the fourth (mode of transmission) in the
change of infection? - Answer-Follow facility infection
control policies including standard precautions, hand
hygiene, airflow, isolation precautions (contact, droplet,
airborne).
,2|Page
How to break the fifth (portal of entry) link in the change of
infection? - Answer-Aseptic technique, wound care, hand
hygiene, catheter care
How to break the sixth (susceptible host) link in the
change of infection? - Answer-Treat the primary disease &
recognize high-risk patients.
How does the change of infection start? - Answer-It starts
with a single thing called a pathogen.
What is the most difficult to kill & require sterilization? -
Answer-Prions
What are prions? - Answer-Infection proteins
What can you do to prevent the spread of c-diff? - Answer-
Wearing proper PPE, using the proper disinfectant
cleaner, washing hands with soap & water only.
, 3|Page
What is Acinetobacter? - Answer-It is an environmentally
hardy bacteria commonly found in soil & water that causes
a variety of diseases.
True or False: Acinetobacter can survive days to months
on surfaces. - Answer-True
How do you prevent the spread of Acinetobacter? -
Answer-By routine cleaning/disinfecting high-touch patient
surfaces and equipment with EAP approved product.
How can you prevent the spread of MRSA (Methicillin
resistant Staphylococcus aureus)? - Answer-By routine
cleaning/disinfecting high-touch patient surfaces &
equipment with an EPA approved product. Practice proper
hand hygiene.
How can you prevent Enterococci? - Answer-By routine
cleaning/disinfecting high-touch patient surfaces &
equipment using an EPA approved product.
What is Enterococci? - Answer-A type of bacteria that is
usually found in intestines.
