Care CEUs

1. The Center for Disease Control and Prevention estimates that the majority of Americans spend approximately _____% of their time indoors.

A. 50 B. 70 C. 90 D. 95

2. Some experts believe that more people may suffer from the effects of indoor air pollution than from outdoor air pollution.

A. True B. False

3. The relative importance of any single pollution source depends on which of the following?

A. How much of a given pollutant it emits. B. How hazardous the emissions are. C. Occupant proximity to the emission source. D. All of the above.

4. Buildings should be maintained under which type of pressure?

A. Positive B. Neutral C. Negative D. Pressure is irrelevant

5. The humidity should be kept between _____% and _____%.

A. 20, 30 B. 30, 60 C. 40, 50 D. 35, 70

6. Exposure to high levels of which gas can cause hypercapnia?

A. Oxygen B. Carbon monoxide C. Carbon dioxide D. Radon

7. Radon is radioactive.

A. True B. False

8. Concentrations of many VOCs are up to 50 times higher indoors than outdoors.

A. True B. False