AMRT STUDY GUIDE WITH CORRECT ANSWERS (LATEST) 2027 UPDATE!!.
The amount of moisture available on a surface that mold can use to support growth is known as the... ✔️water activity
How do molds replicate? ✔️Sporulation
What molds produce respirable particles? ✔️Aspergillus, penicillium
Respirable ✔️Can be deeply inhaled into lungs; 5 microns
4 common viruses found in sewage ✔️rotavirus, GI virus, adenovirus, hepatitis
Name 3 primary sewage biohazards ✔️virus, bacteria, parasites
3 secondary sewage biohazards ✔️endotoxins/exotoxins, mycotoxins, mold
4 common gram negative bacteria found in sewage ✔️e. coli, salmonella, shigella, psuedomonas
Pathogenic ✔️disease causing
MC that can support mold growth ✔️16
MC that can support wood decaying fungi ✔️20
What federal agency governs indoor air quality? ✔️none
What factors affect mold growth? ✔️temperature, light, water, oxygen, pH, nutrients/food source
What is the nutrient that mold grows best on? ✔️Cellulose
Define ERH ✔️equilibrium relative humidity (moisture at the surface)
Example of hydrophilic mold ✔️stachybotrys chartarum
Example of mesophilic mold ✔️aspergillus & penicillium
Example of xerophilic mold ✔️aspergillus & penicillium
4 ways to be exposed to bioaerosols ✔️ingestion; cut/puncture/injection; dermal; inhalation
How do viruses replicate? ✔️injection of RNA into live host cell
What is the common route of entry for mold exposure? ✔️inhalation
What is the common route of entry for exposure to category 3 water? ✔️ingestion
What does MVOC stand for? ✔️microbial volatile organic compounds
What are MVOCs? ✔️odor (gaseous waste by-products) released by actively growing molds
3 sources for MVOCs ✔️reactivated pet urine, wet building materials, bacteria
The presence of MVOCs can be an indicator of: ✔️unacceptable indoor air quality, active microbial growth, incomplete remediation
What is a micron? ✔️unit of measurement equal to 1/1,000,000 meters
What is the definition of viable? ✔️able to reproduce (germinate)
What is the definition of non-viable? ✔️not capable of germination
What is the definition of settled spores? ✔️spores landed on surface but not actively growing
What is the definition of mycotoxins? ✔️toxigenic compound produced by molds under certain conditions
, Why do molds produce mycotoxins? ✔️defense mechanism
What is the carcinogenic mycotoxin produced by aspergillus? ✔️aflotoxin
What are the immunizations that water and mold technicians are recommended to have? ✔️hepatitis a&b, tetanus
What is the time frame for stachybotrys to colonize? ✔️7-12 days
What is the time frame for aspergillus to colonize? ✔️48-72 hours
What is the size of most mold spores found in indoor water damaged environments? ✔️2-20 microns
What are the molds associated with bird & bat droppings? ✔️histoplasma capsulatum, Cryptococcus neoformans
What are the 4 populations of individuals that are considered to be at a higher risk for exposure to mold & bacteria? ✔️elderly, children,
pregnant women, immuno-compromised
Why should initial sampling be conducted? ✔️remediation work plan, reduction of false claims, identify condition 2 environments
Why is post-remediation sampling conducted? ✔️verify effectiveness of remediation, re-occupancy, resolve liability
What is the sample method of choice for verification & why? ✔️air samples - determine if further investigation is needed
What is a benefit of collecting a viable air sample? ✔️determine the species
4 common types of surface samples ✔️contact plate, tape, swab, bulk
When can the containment and NAM be removed? ✔️once sampling results are returned and acceptable
What is the ultimate criteria for clearance of a microbial remediation project? ✔️re-occupancy without complaint
What are the recommendations/requirements to be an IEP? ✔️education, experience, protocols, etc.
What are the recommendations/requirements to interpret sample data? ✔️special training, experience, field observations, etc
What are the 3 factors that should be considered when choosing an anti-microbial? ✔️type & extent of contamination, limitations, associated
hazards
6 limitations of antimicrobial biocides ✔️concentration, temperature, pH, dwell time, application requirements, material compatability
What are 3 types of antimicrobial biocides? ✔️sanitizers, disinfectants, sterilants
What product is referred to as a "bound product?" ✔️antimicrobial static agent
What is the result when applying antimicrobials to organic materials? ✔️anti-microbial is inactivated
What are the types of antimicrobial static agents? ✔️biostat, bacteriostat, fungistat
How is the efficacy of antimicrobials determined? ✔️testing on previously cleaned surfaces
What is FIFRA? ✔️Fifra (FIFRA) is the legislation that sets the
registration and labels for chemical
disinfectants. Fifra was passed in 1947 and
required all pesticides to be registered.
What is the concern of mixing bleach with ammonia? ✔️bleach is very reactive & will release toxic gases when mixed with ammonia
What is the best preventative for mold contamination? ✔️keeping the structure dry & well maintained
Biocide ✔️A chemical or physical agent that is designed to kill or inactivate one or more groups of microorganisms
Antimicrobial Static Agent ✔️An agent that is incorporated or applied to a product or surface to inhibit microbial growth
The amount of moisture available on a surface that mold can use to support growth is known as the... ✔️water activity
How do molds replicate? ✔️Sporulation
What molds produce respirable particles? ✔️Aspergillus, penicillium
Respirable ✔️Can be deeply inhaled into lungs; 5 microns
4 common viruses found in sewage ✔️rotavirus, GI virus, adenovirus, hepatitis
Name 3 primary sewage biohazards ✔️virus, bacteria, parasites
3 secondary sewage biohazards ✔️endotoxins/exotoxins, mycotoxins, mold
4 common gram negative bacteria found in sewage ✔️e. coli, salmonella, shigella, psuedomonas
Pathogenic ✔️disease causing
MC that can support mold growth ✔️16
MC that can support wood decaying fungi ✔️20
What federal agency governs indoor air quality? ✔️none
What factors affect mold growth? ✔️temperature, light, water, oxygen, pH, nutrients/food source
What is the nutrient that mold grows best on? ✔️Cellulose
Define ERH ✔️equilibrium relative humidity (moisture at the surface)
Example of hydrophilic mold ✔️stachybotrys chartarum
Example of mesophilic mold ✔️aspergillus & penicillium
Example of xerophilic mold ✔️aspergillus & penicillium
4 ways to be exposed to bioaerosols ✔️ingestion; cut/puncture/injection; dermal; inhalation
How do viruses replicate? ✔️injection of RNA into live host cell
What is the common route of entry for mold exposure? ✔️inhalation
What is the common route of entry for exposure to category 3 water? ✔️ingestion
What does MVOC stand for? ✔️microbial volatile organic compounds
What are MVOCs? ✔️odor (gaseous waste by-products) released by actively growing molds
3 sources for MVOCs ✔️reactivated pet urine, wet building materials, bacteria
The presence of MVOCs can be an indicator of: ✔️unacceptable indoor air quality, active microbial growth, incomplete remediation
What is a micron? ✔️unit of measurement equal to 1/1,000,000 meters
What is the definition of viable? ✔️able to reproduce (germinate)
What is the definition of non-viable? ✔️not capable of germination
What is the definition of settled spores? ✔️spores landed on surface but not actively growing
What is the definition of mycotoxins? ✔️toxigenic compound produced by molds under certain conditions
, Why do molds produce mycotoxins? ✔️defense mechanism
What is the carcinogenic mycotoxin produced by aspergillus? ✔️aflotoxin
What are the immunizations that water and mold technicians are recommended to have? ✔️hepatitis a&b, tetanus
What is the time frame for stachybotrys to colonize? ✔️7-12 days
What is the time frame for aspergillus to colonize? ✔️48-72 hours
What is the size of most mold spores found in indoor water damaged environments? ✔️2-20 microns
What are the molds associated with bird & bat droppings? ✔️histoplasma capsulatum, Cryptococcus neoformans
What are the 4 populations of individuals that are considered to be at a higher risk for exposure to mold & bacteria? ✔️elderly, children,
pregnant women, immuno-compromised
Why should initial sampling be conducted? ✔️remediation work plan, reduction of false claims, identify condition 2 environments
Why is post-remediation sampling conducted? ✔️verify effectiveness of remediation, re-occupancy, resolve liability
What is the sample method of choice for verification & why? ✔️air samples - determine if further investigation is needed
What is a benefit of collecting a viable air sample? ✔️determine the species
4 common types of surface samples ✔️contact plate, tape, swab, bulk
When can the containment and NAM be removed? ✔️once sampling results are returned and acceptable
What is the ultimate criteria for clearance of a microbial remediation project? ✔️re-occupancy without complaint
What are the recommendations/requirements to be an IEP? ✔️education, experience, protocols, etc.
What are the recommendations/requirements to interpret sample data? ✔️special training, experience, field observations, etc
What are the 3 factors that should be considered when choosing an anti-microbial? ✔️type & extent of contamination, limitations, associated
hazards
6 limitations of antimicrobial biocides ✔️concentration, temperature, pH, dwell time, application requirements, material compatability
What are 3 types of antimicrobial biocides? ✔️sanitizers, disinfectants, sterilants
What product is referred to as a "bound product?" ✔️antimicrobial static agent
What is the result when applying antimicrobials to organic materials? ✔️anti-microbial is inactivated
What are the types of antimicrobial static agents? ✔️biostat, bacteriostat, fungistat
How is the efficacy of antimicrobials determined? ✔️testing on previously cleaned surfaces
What is FIFRA? ✔️Fifra (FIFRA) is the legislation that sets the
registration and labels for chemical
disinfectants. Fifra was passed in 1947 and
required all pesticides to be registered.
What is the concern of mixing bleach with ammonia? ✔️bleach is very reactive & will release toxic gases when mixed with ammonia
What is the best preventative for mold contamination? ✔️keeping the structure dry & well maintained
Biocide ✔️A chemical or physical agent that is designed to kill or inactivate one or more groups of microorganisms
Antimicrobial Static Agent ✔️An agent that is incorporated or applied to a product or surface to inhibit microbial growth
