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Continuing Education — "The Action Level!®"

VOLUME 10(2), February 2013
Journal of Occupational and Environmental Hygiene


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CASE STUDIES:

Generating Nano-aerosols from TIO2 (5 nm) Nanoparticles Showing Different Agglomeration States. Application to Toxicological Studies
Alexandra Noël, Yves Cloutier, Kevin James Wilkinson, Chantal Dion, Stéphane Hallé, Karim Maghni, Robert Tardif and Ginette Truchon

1. Which aerosol generation techniques have been shown to
    produce smaller nanoparticle agglomerates?

a. Powder dispersion techniques
b. Nebulization techniques
c. There was no difference between nebulization
          and powder dispersion techniques
2. Nanoparticles of identical primary size, composition and
    crystal phase can agglomerate in different sizes, shapes
    and structures in aerosols. True or False?
True
False
Sitting on Stability Balls: Biomechanics Evaluation in a Workplace Setting
Tamara M. Schult, Ebi R. Awosika, Sandra K. Schmunk, Michael J. Hodgson, Bria L. Heymach and Celestine Dent Parker

3. Based on study findings, use of stability balls and/or
    stability ball chairs at work decreases the likelihood of
    reporting pain from regular office chair use. True or False?

True
False
4. Based on study findings, stability balls and stability ball
    chairs appear to be less safe than regular office chairs.
    True or False?
True
False
Validity and Reliability of Multiparameter Physiology Measurements Recorded by the Equivital Lifemonitor During Activities of Various Intensities
Yan Liu, Shai H. Zhu, Guo H. Wang, Fei Ye and Peng Z. Li

5. Which one of the following physiological variables was
    not measured?

a. HR
b. RR
c. TSK
d. TC
e. BP
6. The device used in this study would be least applicable to
    which of the following?
a. emergency rescue workers
b. outdoor workers
c. hospitalized patients
d. military personnel
Occupational Exposure to Silica in Construction Workers: A Literature Based Exposure Database
Charles Beaudry, Jerôme Lavoué, Jean-François Sauvé, Denis Bégin, Mounia Senhaji Rhazi, Guy Perrault, Chantal Dion and Michel Gérin

7. The spreadsheet discussed in this article had a majority of
    summarized parameters, e.g., consisting of more than one
    measurement. True or False?

True
False
8. Which of the following represents the primary purpose of
    this work?
a. detailed analysis of levels collected
b. describe contents of the database
c. develop new methods for sampling silica
d. adapt analysis techniques to silica
Exposure Models for the Prior Distribution in Bayesian Decision Analysis for Occupational Hygiene Decision Making
Eun Gyung Lee, Seung Won Kim, Charles E. Feigley and Martin Harper

9. Given only a few exposure measurements, the appropriate
    response would be:

a. use both SSA and COSHH Essentials methods
          and compare outputs
b. use SSA methods and compare outputs
c. use COSHH methods and compare outputs
10. Where outputs from methods discussed in this article are
      available it might be possible to calibrate an expert's judgment.
      True or False?
True
False
Controlling Dust from Concrete Saw Cutting
Susan Shepherd and Susan Woskie

11. Which of the following is not a fixed effect found to be
      statistically significant?

a. control condition
b. age of saw
c. worker experience
d. location
12. The fixed effect variable for control condition explained the
      largest fraction of the total exposure variability. True or False?
True
False

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


Deadline for answers is February 28, 2013.

Answers will be available online at
http://www.acgih.org/products/joeh/alanswers.htm
on March 15, 2013.

 
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