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Microbiology Test 01

Bateriology Test 1

QuestionAnswer
What is a Bacteriostatic Agent? It inhibits growth of Bacteria
What is a Germicide? An Agent killing germs
What is Sterilization? Destruction of all Life (spores)
What is a Disinfection? Reduction of pathogens on an inanimate surface
What is Sanitization? Safe reduction of in the number of organisms
What is an Antisepsis? Disinfection of pathogens on living tissue
What are 3 Physical Methods to Control Microorganisms? Heat Filtration and Radiation
What are the 6 Chemical Methods to Control Microorganisms? Alcohol, Aldehyde, Halogens, Heavy Metals, Phenol, and Gases
How many Bio Safety Levels are there? 4
Bio Safety Level 1 (BSL 1) Non disease causing microorganisms Standard precautions
Bio Safety Level 2 (BSL 2) Pathogens associated with human disease but not transmitted by inhalation Limited access to the Lab
Bio Safety Level 3 (BSL 3) Pathogens transmitted by inhalation -Safety cabinets -Lab is physically separated -Controlled air flow
Bio Safety Level 4 Very Dangerous infectious agents (Ebola Virus) -Stringent requirements (CDC)
What a the 3 components that make up Taxonomy? Classification Nomenclature Identification
Who and when was the Open Neck Flask invented? Mid 1800 Pasteur
What makes the Gram Positive cell wall different from Gram Negative cell wall? Thick layer of peptiodoglycan (as known as murein)
What is found ONLY in Gram Negative cell wall between the inner and outer membrane? Periplasmic Space
Which bacteria is most commonly found in the nares of hospital personal? Staphylococcus aureus
Which organism resembles Staphylococcus? Micrococcus
Is Staphylococcus coagulase Positive or Negative? Positive
Does Staphylococcus result for Catalase testing Positive or Negative? Positive
What are 5 characteristics of Staphylococcus? GPC, Catalase positive, Non-motile, Non-spore forming, Facultative anaerobe (can grow in air)
Which form of Staphylococcus is coagulase positive? Staphylococcus aureus
Which type of hemolysis does S. aureus cause? Beta hemolytic
What does MRSA represent? Methicillin-Resistant S. aureus
Which medications are used to treat MRSA? Vancomycin and Linezolid
Created by: MrsHo