(5) Biological Health Hazards in Construction (Module1)

In which conditions are molds not likely to grow and become a problem?

In areas of low humidity

How can you decrease the effects of poison sumac exposure?

Rub the resin off with a clean towel

What causes an allergic reaction when workers are exposed to poison ivy, oak or sumac?

The oil of the plant contacting the skin

Which of the following molds can possibly cause cancer after exposure?

Toxigenic molds

What is the most common factor causing injuries and illness on construction worksites?

Constant change

Since there is no way to eliminate all molds indoors, what is the primary control method?

Control moisture

Which of the following construction activities is most likely a common source of biological hazards?

During demolition of old structures

What does the need for respiratory protection depend on when exposed to mold?

The particle size and level of toxicity of the mold

What is a recommended way to avoid exposure to mold spores when cleaning a surface?

Wear an N-95 respirator

Which poisonous plant has can grow into six-foot clumps up to 30 feet long?

Western poison oak