AMRT CORRECT 2027 ANSWERS AND QUESTIONS
SET A+
✔✔example of xerophilic mold - ✔✔Aspergillus and Penicillium
✔✔Sporulation - ✔✔The point in a fungal organism life cycle that it begins to produce
and release spores
✔✔Mold that can colonize in 48-72 hours under ideal conditions - ✔✔Aspergillus and
Penicillium
✔✔Mold that can colonize in 7-12 days under ideal conditions - ✔✔Stachybotrys
✔✔factors that affect mold growth - ✔✔1. Temperature
2. Oxygen
3. PH
4. Nutrients
5. Moisture
6. Light
✔✔nutrient that mold grows best on - ✔✔Cellulose
✔✔ERH - ✔✔The relative humidity take at the surface
✔✔water activity Hydrophilic molds prefer - ✔✔>0.90
✔✔water activity Mesophilic molds prefer - ✔✔>0.80 <0.90
✔✔water activity Xerophilic molds prefer - ✔✔<0.80
✔✔adverse health effect from mold exposure - ✔✔Asthma
✔✔4 ways we can be exposed to bioaeresols - ✔✔1. Dermal
2. Inhalation
, 3. Ingestion
4. Puncture
✔✔common route of entry for mold exposure - ✔✔Inhalation
✔✔common route of entry for exposure to category 3 water - ✔✔Ingestion
✔✔What does mVOC stand for? - ✔✔Microbial Volatial Organic Compounds
✔✔What are mVOCs? - ✔✔Gaseous waste by products released by actively growing
microorganisms
✔✔3 other sources for mVOCs - ✔✔1. Re-activated pet urine
2. Bacteria
3. Off-gassing of wet building materials
✔✔viable - ✔✔Can germinate given the optimum conditions
✔✔settled spores - ✔✔Spores that have landed on the surface but not actively growing
✔✔mycotoxins - ✔✔Toxic chemical compound produced by molds
✔✔Why do molds produce mycotoxins? - ✔✔Gives the mold a competitive advantage
over other microorganisms competing for the same environment
✔✔best way to prevent mold growth - ✔✔Control moisture, and ,if the structure is wet,
dry it quickly
✔✔immunizations that water and mold technicians recommended to have - ✔✔Hepatitis
A & B, Tetanus
✔✔4 populations of individuals that are considered to be at a higher risk for exposure to
mold and bacteria - ✔✔1. Elderly
2. Pregnant women
3. Immuno-compromised
4. Children
✔✔Which air pressure differential between the work area and the surrounding space
must be created to prevent contaminants from leaving the work zone? -
✔✔lower/negative
✔✔Air pressure moves from - ✔✔high to low pressure
SET A+
✔✔example of xerophilic mold - ✔✔Aspergillus and Penicillium
✔✔Sporulation - ✔✔The point in a fungal organism life cycle that it begins to produce
and release spores
✔✔Mold that can colonize in 48-72 hours under ideal conditions - ✔✔Aspergillus and
Penicillium
✔✔Mold that can colonize in 7-12 days under ideal conditions - ✔✔Stachybotrys
✔✔factors that affect mold growth - ✔✔1. Temperature
2. Oxygen
3. PH
4. Nutrients
5. Moisture
6. Light
✔✔nutrient that mold grows best on - ✔✔Cellulose
✔✔ERH - ✔✔The relative humidity take at the surface
✔✔water activity Hydrophilic molds prefer - ✔✔>0.90
✔✔water activity Mesophilic molds prefer - ✔✔>0.80 <0.90
✔✔water activity Xerophilic molds prefer - ✔✔<0.80
✔✔adverse health effect from mold exposure - ✔✔Asthma
✔✔4 ways we can be exposed to bioaeresols - ✔✔1. Dermal
2. Inhalation
, 3. Ingestion
4. Puncture
✔✔common route of entry for mold exposure - ✔✔Inhalation
✔✔common route of entry for exposure to category 3 water - ✔✔Ingestion
✔✔What does mVOC stand for? - ✔✔Microbial Volatial Organic Compounds
✔✔What are mVOCs? - ✔✔Gaseous waste by products released by actively growing
microorganisms
✔✔3 other sources for mVOCs - ✔✔1. Re-activated pet urine
2. Bacteria
3. Off-gassing of wet building materials
✔✔viable - ✔✔Can germinate given the optimum conditions
✔✔settled spores - ✔✔Spores that have landed on the surface but not actively growing
✔✔mycotoxins - ✔✔Toxic chemical compound produced by molds
✔✔Why do molds produce mycotoxins? - ✔✔Gives the mold a competitive advantage
over other microorganisms competing for the same environment
✔✔best way to prevent mold growth - ✔✔Control moisture, and ,if the structure is wet,
dry it quickly
✔✔immunizations that water and mold technicians recommended to have - ✔✔Hepatitis
A & B, Tetanus
✔✔4 populations of individuals that are considered to be at a higher risk for exposure to
mold and bacteria - ✔✔1. Elderly
2. Pregnant women
3. Immuno-compromised
4. Children
✔✔Which air pressure differential between the work area and the surrounding space
must be created to prevent contaminants from leaving the work zone? -
✔✔lower/negative
✔✔Air pressure moves from - ✔✔high to low pressure
