Microbiology Exam 1 Flashcards
Microorganisms normally found on human body. Assists in prevention of disease causing microorganisms.
Normal flora
Lactobacillus
Protective normal flora
Disease that occurs when pathogenic microorganisms invade body
Infection
Smallest microorganisms
Consist of RNA/DNA
viruses
Visible masses of bacteria formed on culture medum
Colonies
Parasites & types of parasites
Helminths, arthropods, protozoa
3 classifications of bacteria and their shapes
Cocci (round)
Bacilli ( rod shaped)
Spirilla (spriral)
Regards to all specimen collections, how can results be good?
Results are only as good as the specimen that was collected
Ideal time to collect a microbiology specimen?
Before antibiotics have begun
Sites for collection of microbiology specimens?
Eyes Rectum Nose Wounds Throat Urogenital area
Provide conditions the microorganisms need to survive during transport.
Transport systems
MA role in microbiology lab testing
Collecting microbilogic specimens (throat, nose, blood, wound)
Throat culture procedures
Most common procedure
Visualize back of throat
Patient sitting
Why are blood cultures ordered by providers?
Patient has fever of unknown origin
Collection kits for transporting fecal ova and parasite specimens
Formalin container
Must be filled to designated line with fecal specimen
Gram stain procedure
Differentiating bacteria by how it picks up stain
Primary stain, purple, 1st stained used, 1 minute
Crystal violet