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.
Definition of ATRIAL NATRIURETIC PEPTIDE. : a peptide hormone secreted by the cardiac atria that in pharmacological doses promotes salt and water excretion and lowers blood pressure âcalled also atrial natriuretic factor.ADVERTISEMENT. a peptide hormone secreted by the cardiac atria that in pharmacological doses promotes salt and water excretion and lowers blood pressure âcalled also atrial natriuretic factor. ADVERTISEMENT.