Clinical Bacteriology Laboratory: Lesson 9 - 10

Effects of Physical Agents on Microorganisms and Action of Disinfectants on Microorganisms

control of bacterial growth

this is important for different reasons on the effects of physical agents on microorganisms

food spoilage, contamination free, number of bacteria, human skin

control of bacterial growth is important because it prevents _____, _____ and lessens the _____ in different areas like working areas and even _____.

sterilizing materials

control of bacterial growth even includes _____ like surgical instruments and drugs.

sterilization, disinfection

control of bacterial growth is achieved by _____ or _____

heat, radiation, filtration

sterilization by physical methods includes 3 things, what are they?

dry heat, moist heat

physical methods by heat may either be?

chemicals, ethylene oxide

bacterial control through chemical methods includes sterilization using _____ like _____

phenols, chlorhexidine, aldehydes, halogens, alcohol, quaternary ammonium compounds

bacterial control also includes disinfection by using 6 chemicals, which are?