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5. Microbiology Basics

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Question
Answer
Disease producing organisms   Pathogens  
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Infection restricted to a small area   Localized infection  
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Widespread infection   Systemic infection  
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Chemicals used to treat bacterial infections   Antibiotics  
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A disease that can be spread from one host to another   Communicable disease  
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A disease acquired by many people in a given area over a short time period   Epidemic disease  
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A worldwide epidemic   Pandemic  
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The study of the occurrence and distribution of diseases in a population   Epidemiology  
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Time from exposure to a pathogen until development of symptoms   Incubation period  
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Bacteria that live on/in our bodies but generally do not cause disease   Normal flora  
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A hospital–acquired infection   Nosocomial infection  
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A continual source of infection living or nonliving   Reservoir of infection  
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The ability to ward off disease   Resistance  
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A process that destroys all living organisms and their spores   Sterilization  
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A carrier of pathogens from host to host   Vector  
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A round shaped bacteria   Coccus  
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A rod shaped bacteria   Bacillus  
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Round bacteria in chains   Streptococci  
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Round bacteria in clusters   Staphylococci  
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A bacteria that is a curved rod and causes severe diarrhea   Vibrio cholerae  
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The organism that causes syphillis   Treponema pallidum  
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The bacterial cell is surrounded by these two structures   Cell wall & cell membrane  
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Some bacteria form these structures that allow them to survive in a harsh environment   Spores  
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These two types of bacteria are smaller than most and must live within the cells of the host   Rickettsia and Chlamydia  
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The smallest of infectious agents   Viruses  
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Examples of viral diseases   Mumps, measles, influenza, poliomyelitis, AIDS  
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Infections caused by pathogenic fungi   Mycotic infections  
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Single–cell, animal like microbes   Protozoa  
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Four main types of protozoa   Amebas, Ciliates, Flagellates, and Sporozoa  
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Parasitic worms are called this   Helminths  
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A common disease of children where the worms live in the anus but travel to the perianal area to lay their eggs   Pinworm  
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Ringworm is an infection due to ____________   A fungus  
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Insects with jointed legs are called   Arthropods  
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Parasites that live on the outer surface of the body   Ectoparasites  
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Parasites that live inside the body   Endoparasites  
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The person or organism that is infected by a pathogen causing infection   Host  
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A staining procedure done to identify bacteria that results in purple/blue and pink/red organisms   Gram stain  
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Gram+ is what color   Purple/blue  
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Gram– is what color   Pink/red  
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Stain used to identify tuberculosis organisms   Acid–fast stain  
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The growth of pathogens in a media is called a _________   Culture  
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Culture and sensitivity test is ___________   Growing bacteria and seeing which antibiotics will kill them  
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The ways in which bacteria gain access to our bodies by the respiratory, GI, GU tract is called __________   Portals of entry  
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The most important procedure in preventing the spread of infection is _______________   Handwashing  
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A nonliving vector is also called a ______________   Fomite  
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An infection that occurs and follows another infection is called a/an ______________   Superinfection  
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An animal disease that is transmissible to humans   Zoonosis  
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Someone who has an infection and can spread it but also no longer has symptoms of the disease   Carrier  
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MRSA stands for _________   Methicillin–resistant staph aureus  
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