CMI CMI Health Effects & Remediation Safety

Question 1

Which type of mycotoxin produced by Stachybotrys chartarum is most associated with serious health concerns in water-damaged buildings?

Accepted Answer

Trichothecenes

Answer

Aflatoxins

Answer

Ochratoxins

Answer

Fumonisins

Question 2

What is the primary route of human exposure to mold-related health hazards in a contaminated building?

Accepted Answer

Inhalation of spores and fragments

Answer

Dermal absorption through skin

Answer

Ingestion of contaminated food

Answer

Eye contact with visible mold

Question 3

Which personal protective equipment (PPE) is required at minimum for a mold inspector entering a Level 3 contaminated area (>100 sq ft)?

Accepted Answer

Half-face respirator with P100 filters, gloves, and eye protection

Answer

Dust mask and latex gloves only

Answer

Full-face supplied-air respirator and chemical suit

Answer

N95 disposable mask with no other protection needed

Question 4

A building occupant reports experiencing hypersensitivity pneumonitis after prolonged exposure in a water-damaged office. Which immune response is this condition associated with?

Accepted Answer

Type III and Type IV hypersensitivity reactions

Answer

Type I IgE-mediated immediate allergic response

Answer

Type II cytotoxic antibody reaction

Answer

Non-immunological irritant response only

Question 5

According to OSHA guidance, at what airborne mold spore concentration level should remediation workers use respiratory protection?

Accepted Answer

Any concentration above background when visible mold growth is present

Answer

Only when spore counts exceed 10,000 spores/m³

Answer

Only when the CDC threshold of 1,000 spores/m³ is exceeded

Answer

Respiratory protection is only required for asbestos, not mold

Question 6

Which population is considered most vulnerable to adverse health effects from mold exposure in a residential setting?

Accepted Answer

Immunocompromised individuals, infants, and the elderly

Answer

Adult males aged 18–45 in good health

Answer

Athletes with high lung capacity

Answer

Individuals with no prior allergy history