Module 3 - Hazardous Materials

Technician A says that acute exposure to a hazardous chemical is a one-time, sudden, high exposure.
Technician B says that acute exposure to a hazardous chemical generally causes nerve damage.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that corrosive materials include gasoline.
Technician B says that corrosive materials include crystalline silica.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that blood toxins increase the amount of oxygen in the blood.
Technician B says that overexposure to blood toxins may cause a loss of consciousness. 
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that asbestos contained in brake shoes is considered a carcinogen.
Technician B says that dust from some plastic body fillers contains carcinogens.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that allergens will normally cause an allergic reaction upon initial exposure.
Technician B says that isocyanates cause an allergic reaction in most people.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that carcinogens may be contained in paint strippers, brake shoes, and some buffing compounds.
Technician B says that chronic exposure to carcinogens can cause severe liver damage.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

Technician A says that corrosives can cause skin burns.
Technician B says that corrosives cause cancer.
Who is right?

• A only
• B only
• Both A and B
• Neither A nor B

A technician experiences coughing and dizziness while refinishing a vehicle.  This is an example of what type of exposure?

• Allergenic
• Acute
• Toxic
• Chronic

Which of these is a characteristic of lower respiratory irritants?

• Partially dissolve in water
• Normally not life threatening
• Travel deep into the lungs 
• Clear from the lungs after about 3 weeks after exposure

Mild neurotoxins can cause which of these physical effects?

• Headaches
• Coughing and wheezing
• Nerve damage
• Lung scarring