InterNACHI - Mold Inspection Exam Review 2024 -
2025 Questions and Answers Solved 100% Correct
✅✅-T/F: The inspector shall report musty odors.
True -
Complete - ✅✅-There are two types of mold inspections taught in this course. One is
a Limited Mold Inspection. The other is a _______ Mold Inspection
True - ✅✅-T/F: The visual examination of a building is non-invasive.
True - ✅✅-T/F: All sampling shall be performed according to the IAC2 Mold Sampling
Procedures available at http://www.IAC2.org.
False - ✅✅-The parking structure is not within the scope of a complete mold
inspection.
False - ✅✅ -T/F: At least one air sample for mold growth is required in a Complete
Mold Inspection.
False - ✅✅-T/F: The mold inspection is a home (property) inspection.
False - ✅✅-T/F: The inspector shall carefully inspect the electrical panelboard.
False - ✅✅-T/F: The inspector shall identify mold growth that is not readily visible.
False - ✅✅-T/F: Inspecting for wood-destroying insects is within the scope of a
Complete Mold Inspection.
True - ✅✅-T/F: The mold inspector is not required to lift carpeting to detect apparent
mold growth.
Apparent mold - ✅✅ -____________ is visible growth with characteristics of mold,
which cannot be confirmed by the inspector without the benefit of sampling.
False -✅✅-T/F: The inspector shall report the life expectancy of the roof covering
True - ✅✅-T/F: Molds are part of the kingdom Fungi.
Break down dead materials - ✅✅-The main role of fungi in the ecosystem is to
____________________.
Aspergillus - ✅✅-Two common types of indoor mold are Penicillium and
______________.
Seek the advice of a healthcare professional - ✅✅ -People who have concerns about
the health effects of mold exposure should __________.
, False - ✅✅ -T/F: Children are usually not affected by mold exposure more severely or
sooner than other types of people.
True - ✅✅ -T/F: There are four important indoor allergenic molds. They are Penicillium,
Aspergillus, Cladosporium and Alternaria
Mycotoxins - ✅✅ -As some molds grow under certain conditions, some of them may
produce potentially toxic byproducts called ________ .
True - ✅✅-T/F: Mold can cause asthma attacks.
Allergies - ✅✅-Current evidence indicates that ________ are the types of disease
most often associated with molds.
Moisture intrusion - ✅✅ -Once a building is affected by _________________, mold
can start growing in very little time
Building science - ✅✅ -_____________, in relation to mold, is the study of the
building's dynamics as affected by moisture intrusion.
20%...17% - ✅✅ -Mold growth can be limited if the MC of wood can be kept below
____. Below a ____ MC of wood, virtually no microbial growth will occur on even the
most susceptible materials.
True - ✅✅ -T/F: To control condensation in a building's exterior wall in cold climates,
install air or vapor barriers on the warm side of the building's envelope.
True - ✅✅-T/F: Humidifiers should be considered potential sources of mold growth
Building - ✅✅-A(n) _________ is comprised of an abundant supply of nutrients for
mold growth.
True - ✅✅ -T/F: RH is a factor in determining how much moisture is present in a room,
but it is the available moisture in a substrate (not the RH of the room's air) that
determines if mold can grow or not.
True - ✅✅-T/F: The inspector shall report moisture intrusion, water damage, musty
odors, apparent mold growth, or conditions conducive to mold growth.
False -✅✅-T/F: Inspecting toilets is beyond the scope of a mold inspection.
Under-floor crawlspaces - ✅✅-Exposed dirt floors in ________________ should be
sealed with a vapor barrier.
False - ✅✅ -T/F: There is no reason to suspect mold if a building has a "moldy smell"
but you don't see any mold.
2025 Questions and Answers Solved 100% Correct
✅✅-T/F: The inspector shall report musty odors.
True -
Complete - ✅✅-There are two types of mold inspections taught in this course. One is
a Limited Mold Inspection. The other is a _______ Mold Inspection
True - ✅✅-T/F: The visual examination of a building is non-invasive.
True - ✅✅-T/F: All sampling shall be performed according to the IAC2 Mold Sampling
Procedures available at http://www.IAC2.org.
False - ✅✅-The parking structure is not within the scope of a complete mold
inspection.
False - ✅✅ -T/F: At least one air sample for mold growth is required in a Complete
Mold Inspection.
False - ✅✅-T/F: The mold inspection is a home (property) inspection.
False - ✅✅-T/F: The inspector shall carefully inspect the electrical panelboard.
False - ✅✅-T/F: The inspector shall identify mold growth that is not readily visible.
False - ✅✅-T/F: Inspecting for wood-destroying insects is within the scope of a
Complete Mold Inspection.
True - ✅✅-T/F: The mold inspector is not required to lift carpeting to detect apparent
mold growth.
Apparent mold - ✅✅ -____________ is visible growth with characteristics of mold,
which cannot be confirmed by the inspector without the benefit of sampling.
False -✅✅-T/F: The inspector shall report the life expectancy of the roof covering
True - ✅✅-T/F: Molds are part of the kingdom Fungi.
Break down dead materials - ✅✅-The main role of fungi in the ecosystem is to
____________________.
Aspergillus - ✅✅-Two common types of indoor mold are Penicillium and
______________.
Seek the advice of a healthcare professional - ✅✅ -People who have concerns about
the health effects of mold exposure should __________.
, False - ✅✅ -T/F: Children are usually not affected by mold exposure more severely or
sooner than other types of people.
True - ✅✅ -T/F: There are four important indoor allergenic molds. They are Penicillium,
Aspergillus, Cladosporium and Alternaria
Mycotoxins - ✅✅ -As some molds grow under certain conditions, some of them may
produce potentially toxic byproducts called ________ .
True - ✅✅-T/F: Mold can cause asthma attacks.
Allergies - ✅✅-Current evidence indicates that ________ are the types of disease
most often associated with molds.
Moisture intrusion - ✅✅ -Once a building is affected by _________________, mold
can start growing in very little time
Building science - ✅✅ -_____________, in relation to mold, is the study of the
building's dynamics as affected by moisture intrusion.
20%...17% - ✅✅ -Mold growth can be limited if the MC of wood can be kept below
____. Below a ____ MC of wood, virtually no microbial growth will occur on even the
most susceptible materials.
True - ✅✅ -T/F: To control condensation in a building's exterior wall in cold climates,
install air or vapor barriers on the warm side of the building's envelope.
True - ✅✅-T/F: Humidifiers should be considered potential sources of mold growth
Building - ✅✅-A(n) _________ is comprised of an abundant supply of nutrients for
mold growth.
True - ✅✅ -T/F: RH is a factor in determining how much moisture is present in a room,
but it is the available moisture in a substrate (not the RH of the room's air) that
determines if mold can grow or not.
True - ✅✅-T/F: The inspector shall report moisture intrusion, water damage, musty
odors, apparent mold growth, or conditions conducive to mold growth.
False -✅✅-T/F: Inspecting toilets is beyond the scope of a mold inspection.
Under-floor crawlspaces - ✅✅-Exposed dirt floors in ________________ should be
sealed with a vapor barrier.
False - ✅✅ -T/F: There is no reason to suspect mold if a building has a "moldy smell"
but you don't see any mold.
