Question | Answer |
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 |