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Continuing Education — "The Action Level!^®"

VOLUME 4(6), June 2007
Journal of Occupational and Environmental Hygiene

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CASE STUDIES:

Slow Curing of Aliphatic Polyisocyanate Paints in Automotive Refinishing: A Potential Source for Skin Exposure
Dhimiter Bello, Karim Ibrahim, Judy Sparer, Meredith Stowe, Carrie Redlich and Youcheng Liu

1. The most reasonable conclusion concerning the relationship
between skin exposure to isocyanate and development of
asthma is:

a. cannot be presently ruled out
b. has been described with great precision
(at P = 0.01)
c. skin exposure is irrelevant to pulmonary outcomes
d. pulmonary sensitization always leads to dermal
sensitization

2. While the terms cured and dried are sometimes used
interchangeably, from a technical standpoint, their relationship
is better described by which of the following relationships?

a. dried precedes cured state
b. dried equals cured
c. cured precedes dried

Evaluation of the Predictive Abilities of a Qualitative Exposure Assessment Model
Leshan Elliott and Kent Oestenstad

3. Which of the following is not a comparative advantage for a
qualitative (versus a quantitative) method?

a. simplicity
b. expense
c. less time-consuming
d. more accurate

4. Preferred timing of evaluation of a model's effectiveness is ______
its use.

a. before
b. during
c. post

Application of Ultraviolet Spectrophotometry to Estimate Occupational Exposure to Airborne Polyaromatic Compounds in Asphalt Pavers
Marina Buratti, Laura Campo, Silvia Fustinoni, Carla Valla, Irene Martinotti, Piero Cirla, Domenico Cavallo and Vito Foà

5. Which of the following sentences is correct?

a. Polycyclic aromatic compounds determined
          by UV can be regarded as a surrogate of total
          particulate matter.
b. Polycyclic aromatic compounds determined
          by UV significantly correlate with total particulate
          matter and with polycyclic aromatic
          hydrocarbons.
c. Polycyclic aromatic compounds determined
          by UV can be regarded as a surrogate of
          polycyclic aromatic hydrocarbons.

6. The proposed UV assay allows to estimate both volatile and
particulate phase of polycyclic aromatic compounds exposure
in asphalt workers. True or False?

True
False

Evaluation of Eye Protection Filters for Use with Dental Curing- and Bleaching Lamps
Ellen Bruzell, Bjørn Johnsen, Tommy Aalerud and Terje Christensen

7. Which wavelengths of optical radiation can induce photochemical
retinal damage?

a. ultraviolet
b. visible blue
c. infrared

8. Any type of sunglasses or laser protection goggles can be used
to protect against radiation from dental curing- and bleaching lamps.
True or False?

True
False

Simulated Workplace Protection Factors for Half-Facepiece Respiratory Protective Devices
Matthew Duling, Robert Lawrence, James Slaven and Christopher Coffey

9. Quantitative fit testing is dependent upon the test subjects' ability
to taste/smell. True or False?

True
False

10. The additional statistical analysis performed on the fit-test data
in this manuscript is called ____________.

a. SWPF
b. Paired t-test
c. Random effects method
d. Duncan's Grouping

Deadline for answers is June 30, 2007.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on July 11, 2007.

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