Warning! This learning object uses Adobe Flash and your browser does not support Flash. To view this content you will either need to install and/or enable flash in your web browser or upgrade your web browser.
Click Here for instructions to enable Flash.
Bloodborne Pathogens: Three Pathogens of Concern
This learning object has been created to educate workers about the occupational risks of being exposed to bloodborne pathogens as described in the U.S. Occupational Safety and Health Administration (OSHA) 29 CFR 1910.1030- Bloodborne Pathogen Standard.
This screencast, we see how the shape of a stain defines the angle of impact. In general terms the more circular the stain, the more perpendicular will be the angle at which it struck the surface. The more elliptical the shape of the stain, the more acute the angle will be. With practice and experience, the analyst can recognize the general angle of impact based solely on the shape of the stain.