Mold Questions And Answers Rated
100% Correct!!
1. The amount of moisture available on a surface that mold can use to support
growth is known as the ________? Answer- Water activity
Name the 3 primary sewage biohazards. Answer- Backeria, Pacasites ,Viruses
Name 3 secondary sewage biohazards Answer- 1) Endotoxins and exotoxins
2)Fungi
3)Mycotoxins
Not all mold spores in the air are ______ but they still may be ______ and
___________. Answer- Viable , Toxic,allergenic
What are the 4 common sewage viruses? Answer- 1) Rotavirus
2)Hepatitus
3)Adenovirus
4)G.I Virus
What is the water activity Xerophilic molds prefer? Answer- 1)Histoplasna
Capsulatum
2)Cryptococcus
Define the term Pathogenic? Answer- Causes disease in humans
What federal agency governs indoor air quality? Answer- None
What category of water damage can support mold and bacterial growth? Answer- All
What is the definition of Category 3 water damage and provide 4 examples. Answer-
water Contaias pathogenic agents and is grossly unsainitary.
1)Seawater
2)Groundwater
3)Backflow from beyond the trap
4)Sewage
What are the factors that affect mold growth? Answer- 1)Temperature
2)oxygen
3) Ph
4)Nutrients
5)Moisture
, 6)Lighty
What is the nutrient that mold grows best on? Answer- Cellulose
What is the definition of ERH? Answer- What is Te relati ve humidity taten at the
Surface
If the ERH is determined to be 89% on a surface, what is the water activity?
Answer- 0.89
What is the water activity that hydrophilic molds prefer? Answer- >0.80 <0.90
What is the water activity Xerophilic molds prefer? Answer- <0.80
List 2 examples of Xerophilic molds Answer- 1) Aspergillus
2)Penicillium
What is the average time it takes for Stachybotrys chartarum to grow? Answer- 7-12
days
What is the common route of entry for mold exposure? Answer- Inhalation
What is the common route of entry for exposure to Category 3 water? Answer-
Ingestion
What does MVOC stand for? Answer-
Identify 3 other sources that contribute to odors in buildings other than mold?
Answer- 1)Re-activated Pet urine
2)Bacteria
3)Off-Gassing from wet
What does mVOC stand for? Answer- Microbial volatile organic compounds
What are MVOCS? Answer- They are gaseous waster by-products released by
actively in growing fungi and bacteria
What is the definition of viable? Answer- Can germinate givin the optimum
conditions
What is the average size of mold spores that are present in water damaged
environments? Answer- 2-20 micron's
What is the most durable part of mold that contains the allergens and mycotoxins?
Answer- Spores
What is the definition of a micron? Answer- one millonth of a meter
What is the definition of sporulation? Answer- Relesing Spores inta the enviorment
100% Correct!!
1. The amount of moisture available on a surface that mold can use to support
growth is known as the ________? Answer- Water activity
Name the 3 primary sewage biohazards. Answer- Backeria, Pacasites ,Viruses
Name 3 secondary sewage biohazards Answer- 1) Endotoxins and exotoxins
2)Fungi
3)Mycotoxins
Not all mold spores in the air are ______ but they still may be ______ and
___________. Answer- Viable , Toxic,allergenic
What are the 4 common sewage viruses? Answer- 1) Rotavirus
2)Hepatitus
3)Adenovirus
4)G.I Virus
What is the water activity Xerophilic molds prefer? Answer- 1)Histoplasna
Capsulatum
2)Cryptococcus
Define the term Pathogenic? Answer- Causes disease in humans
What federal agency governs indoor air quality? Answer- None
What category of water damage can support mold and bacterial growth? Answer- All
What is the definition of Category 3 water damage and provide 4 examples. Answer-
water Contaias pathogenic agents and is grossly unsainitary.
1)Seawater
2)Groundwater
3)Backflow from beyond the trap
4)Sewage
What are the factors that affect mold growth? Answer- 1)Temperature
2)oxygen
3) Ph
4)Nutrients
5)Moisture
, 6)Lighty
What is the nutrient that mold grows best on? Answer- Cellulose
What is the definition of ERH? Answer- What is Te relati ve humidity taten at the
Surface
If the ERH is determined to be 89% on a surface, what is the water activity?
Answer- 0.89
What is the water activity that hydrophilic molds prefer? Answer- >0.80 <0.90
What is the water activity Xerophilic molds prefer? Answer- <0.80
List 2 examples of Xerophilic molds Answer- 1) Aspergillus
2)Penicillium
What is the average time it takes for Stachybotrys chartarum to grow? Answer- 7-12
days
What is the common route of entry for mold exposure? Answer- Inhalation
What is the common route of entry for exposure to Category 3 water? Answer-
Ingestion
What does MVOC stand for? Answer-
Identify 3 other sources that contribute to odors in buildings other than mold?
Answer- 1)Re-activated Pet urine
2)Bacteria
3)Off-Gassing from wet
What does mVOC stand for? Answer- Microbial volatile organic compounds
What are MVOCS? Answer- They are gaseous waster by-products released by
actively in growing fungi and bacteria
What is the definition of viable? Answer- Can germinate givin the optimum
conditions
What is the average size of mold spores that are present in water damaged
environments? Answer- 2-20 micron's
What is the most durable part of mold that contains the allergens and mycotoxins?
Answer- Spores
What is the definition of a micron? Answer- one millonth of a meter
What is the definition of sporulation? Answer- Relesing Spores inta the enviorment
