CNO JURISPRUDENCE EXAM QUESTIONS AND
ANSWERS 2026 CERTIFICATION STUDY PACK
◉ Transfer requires a route for the infectious agent to exit the
_____________ (a portal of exit), a mode of travel to the ________________
_______ (a mode of transmission) and a ___________ to enter the
susceptible host (a portal of entry) Answer: reservoir
susceptible host
route
◉ WHICH MODE OF TRANSMISSION?
Direct contact transmission involves contact between the infectious
agent and the susceptible host. Answer: CONTACT TRANSMISSION
◉ WHICH MODE OF TRANSMISSION?
involves contact of the conjunctivae or mucous membranes of the
nose or mouth of a susceptible host with large particle droplets
(larger than five microns) that contain an infectious agent Answer:
DROPLET TRANSMISSION
◉ WHICH MODE OF TRANSMISSION?
Food, water or medication contaminated with an infectious agent
can act as a ________________ for transmission when consumed Answer:
VEHICLE
,◉ WHICH MODE OF TRANSMISSION?
Small particle residue (five microns or smaller)
of evaporated droplets may remain suspended in
the _________ for long periods of time, or dust particles may contain an
infectious agent. Answer: AIR
◉ WHICH MODE OF TRANSMISSION?
insects may harbour an infectious agent and transfer it to humans
through bites (for example, West Nile virus). Answer:
VECTORBORNE
◉ The four major elements to preventive practice are: Answer: 1.
HANDWASHING
2. PROTECTIVE BARRIERS
3. CARE OF EQUIPMENT
4. HEALTH PRACTICES OF THE NURSE
◉ DEFINITION
a waterless antiseptic designed for application to the hands to
reduce the number of viable micro-organisms. In Canada, such
preparations usually contain 70 percent ethyl alcohol. Answer:
ALCOHOL-BASED HAND RINSE
,◉ DEFINITION
a substance that destroys or stops the growth of micro-organisms on
living tissue (for example, skin). Answer: ANTISEPTIC
◉ DEFINITION
viruses found in blood which produce infection, such as hepatitis B
virus (HBV), hepatitis C virus (HCV) or human immunodeficiency
virus (HIV). Answer: BLOOD-BORNE PATHOGENS
◉ DEFINITION
an individual who is found to be colonized (culture-positive) for a
particular organism, at one or more body sites, but has no signs or
symptoms of infection. Answer: CARRIER
◉ DEFINITION
a chemical agent with a drug identification number (DIN) used on
inanimate (non-living) objects to kill micro-organisms. Answer:
DISINFECTANT
◉ DEFINITION
a process that destroys or kills some, but not all, disease-producing
micro-organisms on an object or surface. Answer: DISINFECTION
◉ DEFINITION
, a circumstance of being in contact with an infected person or item in
a manner that may allow for the transfer of micro-organisms, either
directly or indirectly, to another person. Answer: EXPOSED
◉ DEFINITION
an agent that destroys micro-organisms, especially pathogenic
organisms. A product with
the suffix "-cide" indicates that it is an agent that destroys the micro-
organism identified by the
prefix (for example, virucide, fungicide, bactericide). Answer:
GERMICIDE
◉ DEFINITION
the physical separation of infected individuals from uninfected
individuals for the period of communicability of a particular disease.
Answer: ISOLATION
◉ DEFINITION
microscopic organisms such as bacteria, virus or fungus, commonly
known as germs, that can cause an infection in humans. Answer:
MICRO-ORGANISM
◉ DEFINITION
ANSWERS 2026 CERTIFICATION STUDY PACK
◉ Transfer requires a route for the infectious agent to exit the
_____________ (a portal of exit), a mode of travel to the ________________
_______ (a mode of transmission) and a ___________ to enter the
susceptible host (a portal of entry) Answer: reservoir
susceptible host
route
◉ WHICH MODE OF TRANSMISSION?
Direct contact transmission involves contact between the infectious
agent and the susceptible host. Answer: CONTACT TRANSMISSION
◉ WHICH MODE OF TRANSMISSION?
involves contact of the conjunctivae or mucous membranes of the
nose or mouth of a susceptible host with large particle droplets
(larger than five microns) that contain an infectious agent Answer:
DROPLET TRANSMISSION
◉ WHICH MODE OF TRANSMISSION?
Food, water or medication contaminated with an infectious agent
can act as a ________________ for transmission when consumed Answer:
VEHICLE
,◉ WHICH MODE OF TRANSMISSION?
Small particle residue (five microns or smaller)
of evaporated droplets may remain suspended in
the _________ for long periods of time, or dust particles may contain an
infectious agent. Answer: AIR
◉ WHICH MODE OF TRANSMISSION?
insects may harbour an infectious agent and transfer it to humans
through bites (for example, West Nile virus). Answer:
VECTORBORNE
◉ The four major elements to preventive practice are: Answer: 1.
HANDWASHING
2. PROTECTIVE BARRIERS
3. CARE OF EQUIPMENT
4. HEALTH PRACTICES OF THE NURSE
◉ DEFINITION
a waterless antiseptic designed for application to the hands to
reduce the number of viable micro-organisms. In Canada, such
preparations usually contain 70 percent ethyl alcohol. Answer:
ALCOHOL-BASED HAND RINSE
,◉ DEFINITION
a substance that destroys or stops the growth of micro-organisms on
living tissue (for example, skin). Answer: ANTISEPTIC
◉ DEFINITION
viruses found in blood which produce infection, such as hepatitis B
virus (HBV), hepatitis C virus (HCV) or human immunodeficiency
virus (HIV). Answer: BLOOD-BORNE PATHOGENS
◉ DEFINITION
an individual who is found to be colonized (culture-positive) for a
particular organism, at one or more body sites, but has no signs or
symptoms of infection. Answer: CARRIER
◉ DEFINITION
a chemical agent with a drug identification number (DIN) used on
inanimate (non-living) objects to kill micro-organisms. Answer:
DISINFECTANT
◉ DEFINITION
a process that destroys or kills some, but not all, disease-producing
micro-organisms on an object or surface. Answer: DISINFECTION
◉ DEFINITION
, a circumstance of being in contact with an infected person or item in
a manner that may allow for the transfer of micro-organisms, either
directly or indirectly, to another person. Answer: EXPOSED
◉ DEFINITION
an agent that destroys micro-organisms, especially pathogenic
organisms. A product with
the suffix "-cide" indicates that it is an agent that destroys the micro-
organism identified by the
prefix (for example, virucide, fungicide, bactericide). Answer:
GERMICIDE
◉ DEFINITION
the physical separation of infected individuals from uninfected
individuals for the period of communicability of a particular disease.
Answer: ISOLATION
◉ DEFINITION
microscopic organisms such as bacteria, virus or fungus, commonly
known as germs, that can cause an infection in humans. Answer:
MICRO-ORGANISM
◉ DEFINITION
