Employee exposure to bloodborne pathogens from blood and Other Potentially Infectious Materials (OPIM) because employees are not using Universal Precautions. 1  Bloodborne pathogens are pathogenic microorganisms that are present in human blood and can cause disease in humans.
atonality. n. 1. (Music, other) absence of or disregard for an established musical key in a composition. 2. (Music, other) the principles of composition embodying this and providing a radical alternative to the diatonic system.
The atonality of free jazz is often credited by historians and jazz performers to a return to non-tonal music of the nineteenth century, including field hollers, street cries, and jubilees (part of the âreturn to the rootsâ element of free jazz).