Self-Test A-1.3: Describe Long-Term Hazards in the Trades

Complete Self-Test A-1.3 and check your answers.

1. Which of the following is typically not an airborne hazard?
   1. Dust
   2. Mould
   3. Asbestos
   4. Mercury
2. In what products can arsenic be found?
   1. Paint
   2. Cleaners
   3. Welding fumes
   4. Wood preservatives
3. Which of the following is termed a “heavy metal”?
   1. Mercury
   2. Asbestos
   3. Forged steel
   4. Ultraviolet radiation
4. Which of the following is not considered a potential source of hazardous vapours?
   1. Dermatitis
   2. Surface coatings
   3. Ultraviolet radiation
   4. Welding electrode coating
5. Always short circuit a NiCad battery before charging.
   1. True
   2. False
6. Cadmium is a heavy metal and is considered very toxic.
   1. True
   2. False
7. What is another term for musculoskeletal injury?
   1. Hematoma
   2. Concussion
   3. Bone fracture
   4. Repetitive strain injury
8. Dermatitis can be caused by exposure to chemicals at work.
   1. True
   2. False

Answer Key: Self-Test A-1.3 is on the other page.