The Action Level!® Quiz - Volume 13 No 4 - April 2016

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Face Shields for Infection Control: A Review

Raymond J. Roberge, MD, MPH

1. Face shields can be used alone for protection from body fluids (saliva, etc.) in some situations where there is a possibility of infectious disease from splash or spatter. True or False?


 
2. Which of the following regarding face shields is false?



The Simultaneous Mass and Energy Evaporation (SM2E) Model

Rehan Choudhary and Jeffery B. Klauda

3. The SM2E model can only be used to estimate evaporation rates for pure liquids at turbulent flow conditions. True or False?

4. The air speed used at laminar flow conditions is representative of typical indoor residential environments. True or False?

Factors Associated with Biosafety Level-2 Research Workers’ Laboratory Exit Hand Washing Behaviors and Glove Removal Compliance

James D. Johnston, Ray M. Merrill, Grant C. Zimmerman, Scott C. Collingwood and James C. Reading

5. Poor hand hygiene compliance among health care workers has been a significant source of nosocomial infections in hospitals. Based on prior research, which one of the following factors is most likely to prevent health care workers from performing hand hygiene?




6. The microbiology labs in this study had significantly higher hand hygiene compliance than tissue culture labs. Which one of the following factors most likely contributed to this difference in hand hygiene rates?




Temporal Changes in Filtering-facepiece Respirator Fit

Ziqing Zhuang, Michael Bergman, Elizabeth Brochu, Andrew Palmiero, George Niezgoda, Xinjian He, Raymond Roberge and Ronald Shaffer

7. This study confirmed the necessity of the current Occupational Safety and Health Administration (OSHA) respirator fit testing requirement, both annually and when physical changes have occurred. True or False?

8. Weight gain had the same risk of unacceptable fit as weight loss. True or False?

Sampling and Analysis Method for Measuring Airborne Coal Dust Mass in Mixtures with Limestone (Rock) Dust

T.L. Barone, J.R. Patts S.J. Janisko, J.F. Colinet, L.D. Patts, T.W. Beck and S.E. Mischler

9. Dust that is generated during coal mining can accumulate in underground mine airways and present what type of safety hazard?


10. Incombustible dust mass was measured through gravimetric analysis and what type of heating process?


Effects of Hydrotreated Vegetable Oil on Emissions of Aerosols and Gases from Light-duty and Medium-duty Older Technology Engines

Aleksandar D. Bugarski, Jon A. Hummer and Shawn Vanderslice

11. The average reductions in total mass concentrations of DPM, total, and elemental carbon for hydrotreated vegetable oil renewable diesel (HVORD) compared to those for ultralow sulfur diesel (ULSD) were more substantial for:


12. Count median diameters of aerosols emitted by test engines were larger when those were fueled with hydrotreated vegetable oil renewable diesel (HVORD) than with ultralow sulfur diesel (ULSD). True or False?

Quantification of Nanoparticle Release from Polymer Nanocomposite Coatings due to Environmental Stressing

Yeon Seok Kim, Rick Davis, Nasir Uddin, Marc Nyden and Savelas A. Rabb

13. Generally engineered nanoparticles (ENP) would be expected to quantitatively adhere to mattress fabric during product life cycle. True or False?

14. Given normal wear-and-tear stressing, MMTs released were the lowest and CNFs released were the highest. True or False?



Deadline for answers is April 30, 2016.

Answers will be available online on May 13, 2016.