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AMA Chapter 42/ Basic Microbiology

Terms in this set (30)

aerobic
living only in the presence of oxygen
aerosols
airborne particles that can be released into the air when culturing
genus
the classification between family and species
anerobic
living only in the absence of oxygen
mycology
the science and study of fungi
incubate
to grow as in a culture
gram stain
applied to bacteria to differentiate two basic groups, either positive or negative
inocculate
to place colonies of microorganisms onto nutrient media
nosocomial
infection acquired in hospital
expectorate
the act of coughing up material from air passages
normal flora
natural bacteria
morphology
the science of structure and form without regard to function
nomenclature
the naming of
spores
bacteria encapsulated in protein providing protection from antibiotic penetration and white blood cell attack
wet mount
bacteria that are suspended in a liquid since living organisms will not live long in dry conditions, especially near the heat of the microscope light.
Infections form parasites have increased as more people travel and public awareness of the symptoms grows. The most common parasitic infections seen in the laboratory are ______________________________, the causative organism of pinworm infect on, and ___________________________, a parasite that infects the urogenital tracts of men and women.
enterobius vermicularis & trichomonas vaginalis
Tests for parasites are usually performed on body fluids and excretions such as blood, ____________ and __________.
urine & feces
Labeling specimes sent for testing with ____________________, __________, and _________ collected is important, as well as noting if the patient has been traveling to a specific place and what diagnosis the provider suspects.
patient name, date, & time
_____________________________________ should be worn when working with specimens. Assuming all specimens are infectious is an important element of following Standard Precautions for infection control.
person protective equipment
The practice of proper aseptic __________________ several times a day, including after glove removal, is essential and should become a _________________.
hand washing & habit
Which of these organisms causes boils?
Staphyococcus
What type/characteristics of bacteria are so resistant that they can live 150,000 years?
spores
What is septicemia?
Blood infection
What shape best describes bacilli?
Rod
What color does gram-negative bacteria stain?
Pink
CSF cultures must be tested as what type of specimen?
STAT specimen
Bacteria that remain purple in the staining process are known as what?
Gram positive
What organism requires CO2?
Clostridium
Most fecal specimens being tested for ova or parasitic infestations are stored at what temperature?
Between room temperature and body temperature
Candida species present a particular problem in the health care setting, where they can cause serious nosocomial infections. What does nosocomial refer to?
Infections caused by hospital and medical procedures
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