AMRT Study Guide, Questions with
accurate answers, predictor paper.
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? -
...
AMRT Study Guide, Questions with
accurate answers, predictor paper.
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 NA
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