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Continuing Education — "The Action Level!®"

VOLUME 4(1), January 2007
Journal of Occupational and Environmental Hygiene

Answer the questions below and click "Submit".

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CASE STUDIES:

Comparison Between Urinary o-Cresol and Toluene as Biomarkers of Toluene Exposure
Silvia Fustinoni, Rosa Mercadante, Laura Campo, Licia Scibetta, Carla Valla, Dario Consonni and Vito Foŕ

1. Based on sampling conditions, analytical techniques, and intrinsic
    characteristics, urinary toluene is superior to o-cresol as biomarker
    of exposure to toluene. True or False?

True
False
2. Which of the following is not an intrinsic characteristic of a
    biomarker?
a. Intra- and inter-individual variability
b. Background in the general population
c. Correlation with the exposure
d. Specificity of the analytical procedure
e. Significance
Real-time Evaluation of Ventilation Filter-Bank Systems
Ernest S. Moyer, Michael A. Commodore, Jeffrey L. Hayes, Stephen A. Fotta and Stephen P. Berardinelli, Jr.

3. What factors contribute to total ventilation system integrity?

a. filter efficiency
b. filter rack and filter holder mechanism
c. filter gaskets
d. all of the above
e. a and b
4. Electrostatic ventilation filters do not exhibit a significant reduction
    in filter efficiency during actual use conditions. True or False?
True
False
Ambient Temperature Beverages are Consumed at a Rate Similar to Chilled Water in Heat-exposed Workers
Alan P. Jung, R. Barry Dale and Phillip A. Bishop

5. The best fluid to provide when attempting to maximize fluid
    consumption in heat-exposed workers is ambient temperature
    water. True or False?

True
False
6. When given a choice between water at ambient temperature and
    flavored beverages at ambient temperature, heat-exposed workers
    tend to choose the flavored beverage. True or False?
True
False
Noise Exposure and Hearing Conservation in U.S. Coal Mines – A Surveillance Report
Gerald J. Joy and Paul J. Middendorf

7. The annual median PEL noise dose for underground coal miners
    increased after the effective date of the MSHA occupational noise
    final rule. True or False?

True
False
8. The most common type of hearing protection used by sampled coal
    miners is:
a. caps
b. muffs
c. plugs
Risk Factors for Low Back Injury Among Farmers in Iowa: A Case-control Study Nested in the Agricultural Health Study
Nancy Sprince, Hyesook Park, Craig Zwerling, Paul Whitten, Charles Lynch, Leon Burmeister, Kendall Thu, Patricia Gillette and Michael Alavanja

9. In this study, the strongest association to low back injury in the
    multivariable model occurred with which risk factor?

a. Age greater than 65
b. Asthma
c. Education less than completion of high school
d. Difficulty with vision
10. In this study, the leading source associated with low back injury
      was which of the following:
a. Tractors and other machinery
b. Cattle
c. Hogs
d. Gates
Effects of Wind on Background Particle Concentrations at Truck Freight Terminals
Ronald Garcia, Jaime E. Hart, Mary E. Davis, Paul Reaser, Jonathan Natkin, Francine Laden, Eric Garshick and Thomas J. Smith

11. Under what conditions did measurements show influence of upwind
      sources?

a. Rural settings with high winds
b. Rural settings with low winds
c. Urban settings with high winds
d. Urban settings with low winds
12. Positive effects were only seen in terminals with a pollution source
      within 100 yards of the sampler. True or False?
True
False


Deadline for answers is January 31, 2007.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on February 12, 2007.

 
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