Mold - Basics (Caravanos)

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| By Jcaravan
J
Jcaravan
Community Contributor
Quizzes Created: 1 | Total Attempts: 172
Questions: 10 | Attempts: 172

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Environment Quizzes & Trivia

How well do you understand environmental mold growth, exposure and health effects? Take this quiz to find out. Good luck
Prepared by Prof. Jack Caravanos,
CUNY School of Public Health at Hunter College,
jcaravan@hunter. Cuny. Edu


Questions and Answers
  • 1. 

    The inhalation of mold spores will produce the same health effect in all those exposed.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Health effects associated with environmental mold exposure are quite varied and produce different symptoms in different individuals. This is especially true of people with asthma, allergies and/or other respiratory conditions.

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  • 2. 

    Chlorine bleach is a necessary part of a mold remediation project.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Mold remediation is a varied activity without strict regulatory standards. The use of Chlorine (bleach) as a treatment for mold contaminated areas is controversial and questionable.

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  • 3. 

    Only actively growing mold is a health risk. Dead and dried out mold particles are not a risk.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Allergenic and asthmatic health effects associated with mold are dependent on mold spore protein. Whether alive or dead, the proteins associated with mold spores are presenting the health effect. Meaning "dead" dried up mold colonies still pose a risk.

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  • 4. 

    Surface Mold growing on wet wooden studs also penetrates into the wood structure.  

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Molds need organic matter to grow but also have mycellium that attach to substrates. On smooth glass, ceramic tiles, counter tops, there is neither a "food source" or penetrating matrix to adhere to.

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  • 5. 

    Mold can eat and grow on anything.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Mold must have food, namely a carbon source such as paper, wool, cellulose, sugars, cotton etc. They cannot grow on concrete unless there is food inside the pores (i.e. dirt).

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  • 6. 

    Mold cannot grow on clean smooth ceramic tiles.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    There is no food (carbon) source on ceramic tiles. In the grout, there are dead human cells and material that can support mold growth. But not on smooth clean tiles.

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  • 7. 

    You can easily identify the type of mold species by visual inspection (just looking at it).

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Mold colonies grow differently on different surfaces. A greenish mold on a couch may grow brown on an agar plate. You cannot identify mold this way.

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  • 8. 

    The key to fungal growth is moisture... no moisture, no growth.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Moisture is a crucial factor for the growth of fungi. Fungi thrive in damp and humid environments, as they require water to survive and reproduce. Without moisture, fungi cannot obtain the necessary nutrients and cannot grow. Therefore, the statement that the key to fungal growth is moisture is true.

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  • 9. 

    Mold spores can be found on your skin, hair and clothes all the time.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Mold spores are everywhere.

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  • 10. 

    It's impossible to make a typical home mold free.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Mold spores are present in the air both indoors and outdoors, and they can easily enter a home through open windows, doors, or on clothing and shoes. While it is possible to control and reduce mold growth through proper ventilation, moisture control, and regular cleaning, it is nearly impossible to completely eliminate mold spores from a typical home. Therefore, it is true that it is impossible to make a typical home mold-free.

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