IICRC OCT Exam Study Guide
2026/2027 With Complete
Solutions
Safety is the responsibility of? - ANSWER-Everyone
Assume that bodily fluids, blood or OPIM, - ANSWER-Could contain infectious materials
Pathogenic means? - ANSWER-disease causing
Hepatitis is a disease associated with the? - ANSWER-Liver
HEP(B) vaccines are administered over? - ANSWER-A 3 shot series
Treating all blood, body discharge and OPIM as if they are infectious is referred to as? -
ANSWER-Universal Precautions
The organization that regulates antimicrobials is? - ANSWER-Environmental Protection
Agency (EPA)
Technicians should consider wearing what at all times during work hours when real or
suspected hazards exist? - ANSWER-Proper PPE
Ozone is a gaseous oxidizing agent with the chemical symbol? - ANSWER-O3
Ozone in relation to air is? - ANSWER-Heavier
Electrically powered devices used to produce an oxidizing odor-control gas? -
ANSWER-Ozone Generator
Prolonged exposure to ozone gas may damage? - ANSWER-People, pets and natural
rubber
Signs and symptoms of over exposure to ozone gas include - ANSWER-Dry nose, sore
throat, nosebleed
Hydroxyl molecules are the result of the chemical change when? - ANSWER-Water
vapor passing through ultraviolet light
Hydroxyls and ozone are referred to as? - ANSWER-Oxidizing agents
, ULV units are electrically powered sprayers that may be used to fog the air space with?
- ANSWER-Water-based deodorants and encapsulants
When using ULVs, ozone gas, or thermal foggers the areas being treated must be? -
ANSWER-Evacuate any unprotected occupants from the structure
Before you thermal fog a structure consider notifying organizations like? - ANSWER-
Fire Department
Thermal fogging a malodorous environment does not improve air quality, it is? -
ANSWER-A counteractant or odor modification treatment
A unit of measurement used to describe a particle or droplet and is 1/1,000,000 of a
meter - ANSWER-Micron
The most common adsorption style filter used by odor control professionals is? -
ANSWER-Baking Soda
Gases recognized by the olfactory lobe? - ANSWER-Odors
Odor detected by the sensation of smell and transmitted from the nose to the olfactory
lobe are? - ANSWER-Real odors
This ULV fogger creates droplets in the? - ANSWER-8 - 15 micron range
Thermal foggers use heat to produce an extremely fine dry fog in the? - ANSWER-0.5 -
2 micron range
Most thermal fogging formulations are? - ANSWER-Petroleum based products
Excessive application with a hot thermal fogger using petroleum-based deodorizers, -
ANSWER-Can leave an oily film on surfaces
The most serious potential risk of over fogging petroleum-based deodorizers is? -
ANSWER-Explosion
The odors people believe they smell based on personal impressions, suggestion(s) and
past experience are? - ANSWER-Psychological odors
The sense capable of distinguishing a variety of chemicals at very low levels is called
the? - ANSWER-Olfactory sense
The process where a person becomes accustomed to an odor? - ANSWER-Acclimation
Odors are more apparent when levels, - ANSWER-Humidity and temperature are
elevated (high)
2026/2027 With Complete
Solutions
Safety is the responsibility of? - ANSWER-Everyone
Assume that bodily fluids, blood or OPIM, - ANSWER-Could contain infectious materials
Pathogenic means? - ANSWER-disease causing
Hepatitis is a disease associated with the? - ANSWER-Liver
HEP(B) vaccines are administered over? - ANSWER-A 3 shot series
Treating all blood, body discharge and OPIM as if they are infectious is referred to as? -
ANSWER-Universal Precautions
The organization that regulates antimicrobials is? - ANSWER-Environmental Protection
Agency (EPA)
Technicians should consider wearing what at all times during work hours when real or
suspected hazards exist? - ANSWER-Proper PPE
Ozone is a gaseous oxidizing agent with the chemical symbol? - ANSWER-O3
Ozone in relation to air is? - ANSWER-Heavier
Electrically powered devices used to produce an oxidizing odor-control gas? -
ANSWER-Ozone Generator
Prolonged exposure to ozone gas may damage? - ANSWER-People, pets and natural
rubber
Signs and symptoms of over exposure to ozone gas include - ANSWER-Dry nose, sore
throat, nosebleed
Hydroxyl molecules are the result of the chemical change when? - ANSWER-Water
vapor passing through ultraviolet light
Hydroxyls and ozone are referred to as? - ANSWER-Oxidizing agents
, ULV units are electrically powered sprayers that may be used to fog the air space with?
- ANSWER-Water-based deodorants and encapsulants
When using ULVs, ozone gas, or thermal foggers the areas being treated must be? -
ANSWER-Evacuate any unprotected occupants from the structure
Before you thermal fog a structure consider notifying organizations like? - ANSWER-
Fire Department
Thermal fogging a malodorous environment does not improve air quality, it is? -
ANSWER-A counteractant or odor modification treatment
A unit of measurement used to describe a particle or droplet and is 1/1,000,000 of a
meter - ANSWER-Micron
The most common adsorption style filter used by odor control professionals is? -
ANSWER-Baking Soda
Gases recognized by the olfactory lobe? - ANSWER-Odors
Odor detected by the sensation of smell and transmitted from the nose to the olfactory
lobe are? - ANSWER-Real odors
This ULV fogger creates droplets in the? - ANSWER-8 - 15 micron range
Thermal foggers use heat to produce an extremely fine dry fog in the? - ANSWER-0.5 -
2 micron range
Most thermal fogging formulations are? - ANSWER-Petroleum based products
Excessive application with a hot thermal fogger using petroleum-based deodorizers, -
ANSWER-Can leave an oily film on surfaces
The most serious potential risk of over fogging petroleum-based deodorizers is? -
ANSWER-Explosion
The odors people believe they smell based on personal impressions, suggestion(s) and
past experience are? - ANSWER-Psychological odors
The sense capable of distinguishing a variety of chemicals at very low levels is called
the? - ANSWER-Olfactory sense
The process where a person becomes accustomed to an odor? - ANSWER-Acclimation
Odors are more apparent when levels, - ANSWER-Humidity and temperature are
elevated (high)
