AMRT Study Guide, Questions with accurate answers, predictor paper.

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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 Ho... w 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 [Show More]

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