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Continuing Education — "The Action Level!®"

VOLUME 8(10), October 2011
Journal of Occupational and Environmental Hygiene


Provide FULL NAME and EMAIL information below, then answer the questions and click "Submit".

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CASE STUDIES:

Comparison of Toluene Adsorption among Granular Activated Carbon and Different Types of Activated Carbon Fibers (ACFs)
Jo Anne G. Balanay, Shaun A. Crawford and Claudiu T. Lungu

1. The activated carbon fiber in felt form has a higher
    adsorption capacity for toluene compared to that in cloth
    form with similar surface area. True or False?

True
False
2. Which of the following adsorbents has the lowest average
    critical bed depth?
a. Granular activated carbon
b. Activated carbon fiber cloth
c. Activated carbon fiber felt
Methods of Evaluating Protective Clothing Relative to Heat and Cold Stress: Thermal Manikin, Biophysical Modeling, and Human Testing
Catherine O'Brien, Laurie A. Blanchard, Bruce S. Cadarette, Thomas L. Endrusick, Xiaojiang Xu, Larry G. Berglund, Michael N. Sawka and Reed W. Hoyt

3. Features essential to the impact of PPE on thermal strain
    include which of the following?

a. Chemical, biological, radiological, nuclear
          and explosive protection
b. Biophysical evaluation of textiles, biomedical
          modeling, human testing
c. Insulation, water vapor permeability, evaporative
          resistance
d. Dry bulb temperature, relative humidity, radiant
          temperature, wind speed
e. None of the above
4. Human testing of PPE provides data used to predict
    which of the following?
a. Maximum work time, work/rest cycles
b. Risk of heat illness/injury
c. Fluid intake, dehydration, body weight loss
d. Core temperature, skin temperature, heart rate
e. All of the above
Clinical Characteristics of Acoustic Trauma Caused by Gunshot Noise in Mass Rifle Drills without Ear Protection
In Seok Moon, Sang-Yong Park, Hyun Jin Park, Hoon-Shik Yang, Sung-Jong Hong and Won-Sang Lee

5. Which of the following is the most characteristic symptom
    that occurred in patients with acoustic trauma caused by
    gunshot noise during mass rifle drills?

a. high frequency hearing loss
b. tinnitus (ringing in ears)
c. otalgia
d. hand tremor
6. Which precautions would help prevent acoustic trauma
    caused by gunshot noise during mass rifle drills?
a. wearing bilateral earplugs during gunfire
b. wearing unilateral earplugs during gunfire
c. widen the distance between gunfire lines
d. narrow the distance between gunfire lines
e. a and c
f. c and d
Estimating Reusability of Organic Air-Purifying Respirator Cartridges
Gerry O. Wood and Jay L. Snyder

7. Step increases in concentration of vapor effluent from organic
    vapor cartridges that may be observed upon their reuse after a
    storage period are due to:

a. Vapor migration
b. Mechanical vibration
c. Heating and cooling
8. Which of the following is NOT an input parameter in
    estimating immediate breakthrough upon reuse (IBUR)
    of an organic vapor cartridge?
a. Duration of first use
b. Boiling point of the vapor
c. Duration of storage before reuse
A Pilot Study of Workplace Dermal Exposures to Cypermethrin at a Chemical Manufacturing Plant
Timothy J. Buckley, Laura A. Geer, Thomas H. Connor, Shirley Robertson, Deborah Sammons, Jerome Smith, John Snawder and Mark Boeniger

9. All of the following methods were used to evaluate the
    workplace dermal hazard EXCEPT:

a. Biological monitoring
b. Questionnaire instrument (knowledge,
          attitudes and perceptions, behavior)
c. Air concentrations
d. Surface environmental measures
10. Neoprene gloves were found to protect workers' hands
      from exposure to cypermethrin. True or False?
True
False
Exposure Characterization of Metal Oxide Nanoparticles in the Workplace
Brian Curwin and Steve Bertke

11. Assessing exposure to nanomaterials is a challenge
      because there are several standardized sampling methods
      for nanomaterials. True or False?

True
False
12. The particles observed in this study were predominantly:
a. unagglomerated and less that 0.1 µm in diameter.
b. agglomerated and between 0.1 and 1.0 µm in
          diameter
c. unagglomerated and between 0.1 and 1.0 µm
          in diameter
d. agglomerated and less than 0.1 µm in diameter.

Be sure FULL NAME and EMAIL information are provided at the top of this page before submitting your answers.


Deadline for answers is October 31, 2011.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on November 8, 2011.

 
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