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.
Atrial natriuretic peptide or atrial natriuretic factor (ANF) is a hormone secreted from cells in the right atrium of the heart when right atrial pressure increases. The release of this cardiac peptide is stimulated by increases in the stretch of the atrial wall caused by an increase in blood pressure or blood volume. ANF receptors are also stimulated by elevated sodium levels.