Active Versus Passive Cooling During Work in Warm Environments While Wearing Firefighting Protective Clothing
G.A. Selkirk, T.M. McLellan and J. Wong
1. Based on the current findings, what is the most effective cooling
modality for firefighters while wearing firefighting protective clothing
in the heat?
a. Passive cooling
b. Mister
c. Hand and forearm submersion
d. None of the above
2. Hand and forearm submersion in cool water for as little as
10 minutes during a rehabilitation period would be an effective
means to reduce the heat stress of wearing protective clothing
for firefighters. True or False?
True
False
Predictors of Work-Related Injuries and Illnesses: National Survey Findings
Allard E. Dembe, J. Bianca Erickson and Rachel Gross
3. Which one of the following perceived job exposures was most
strongly related to the reporting of a work related injury or illness?
a. Lifting of heavy weights
b. Kneeling or crouching
c. Total physical effort on the job
d. Reaching
4. Working in a high hazard industry was a stronger predictor of
reporting an occupational injury or illness than was working in
a high hazard occupation. True or False?
True
False
Personal Exposures to Inorganic and Organic Dust in Manual Harvest of California Citrus and Table Grapes
Kiyoung Lee, Robert J. Lawson, Stephen A. Olenchock, Val Vallyathan, Randal J. Southard, Peter S. Thorne, Cathy Saiki and Marc B. Schenker
5. Agricultural workers manually harvesting some fruits in California
could be exposed to inhalable dust and respirable quartz exceeding
the TLV®. True or False?
True
False
6. What was the geometric mean of inhalable dust exposure in citrus
harvest?
a. 39.7 μg/m3
b. 397 μg/m3
c. 3.97 mg/m3
d. 39.7 mg/m3
Culturability and Toxicity of Sick Building Syndrome Related Fungi Over Time
Stephen C. Wilson, Curtis G. Carriker, Trevor L. Brasel, Enusha Karunasena, David R. Douglas, Chunfa Wu, Larysa A. Andriychuk, Matthew R. Fogle and David C. Straus
7. The data from this study showed that Stachybotrys chartarum could
be cultured despite having no water source for a long period of time.
True or False?
True
False
8. All seven laboratory techniques used to grow the organisms from the
cotton swabs in the study were successful. True or False?
True
False
Incidence of Acute Low Back Injury Among Older Workers in a Cohort of Material Handlers
Corinne Peek-Asa, David L. McArthur and Jess F. Kraus
9. According to the article, material handlers age 55 and over had
much higher rates of low back injury when compared to workers
younger than 55. True or False?
True
False
10. In the cohort of material handlers studied in this article, jobs with
lower lifting intensity accounted for lower rates of low back injury.
True or False?
True
False
Noise Exposure and Hearing Loss Among Sand and Gravel Miners
Deborah Landen, Steve Wilkins, Mark Stephenson and Linda McWilliams
11. What proportion of sand and gravel workers in this study had
hearing loss?
a. 23 percent
b. 82 percent
c. 37 percent
12. Among the sand and gravel workers in this study, which job
classification had the highest noise exposures?
a. Truck drivers
b. Processing tower operators
c. Welders
Heart Rate Variability and Particulate Exposure in Vehicle Maintenance Workers: A Pilot Study
Robert M. Eninger and Frank S. Rosenthal
13. Which of the following statements is true regarding heart rate
variability?
a. It has been linked to excessive levels of PM2.5 in
the ambient environment.
b. It can be measured from an electrocardiogram.
c. It is quantified by the statistical analysis of the
intervals between Heartbeats.
d. It may reflect control of cardiac function by the
central nervous system.
e. All of the above.