Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
unicellular microorganisms, lacking organelles/organized nucleus
|
bacteria
|
|
|
unicellular or multicellular - spore producing - feed on organic matter
|
fungi
|
|
|
infective agent, single strange of nucleic acid in a protein coat
|
virus
|
|
|
lives inside host and receives nutrients at host expense
|
parasite
|
|
|
heat stable poison inside bacterial cell; inc. capillary permeability - stimulate chemicals that cause fever and shock
|
endotoxin
|
|
|
poison secreted by bacterial cell; free in medium. usually proteins that cause local or distant damage
|
exotoxin
|
|
|
destroys everything! even kills endospores and viruses.
|
sterilization
|
|
|
process/or chem that kills growing (vegetative) microbial cells; to be used on inaminate objects only
|
disinfection
|
|
|
Gram neg; rod shaped; found in intestinal flora, flagelated
|
enterobacteriaceae
|
|
|
non-fermentive for glucose; oxidative for glucose; p. eeruginosa, Acinetobecter species, stenotrophomonas maltophilia
|
Non-Fermentive gram negative bacteria
|
|
|
Pseudomonas, neisseria, vibrio, campylobacter, heliobacter
|
OX+ (oxidase fermenters)
|
|
|
Gram neg; coccobacilli of the pasteurellaceae family. Are pleomorphic due to the # of shapes they can take. Are pathogenic; aerobic or faculatively anaerobic
|
Hameophilus
|
|
|
Certain bacteria have speific o2/co2 requirements need special media or grown only intracellularly
|
Fastidiousness
|
|
|
Gram neg; leads to lerionnaries disease - a type of pneumonia
|
Legionella
|
|
|
Double spherical (diplococcal); live w/or w/o oxygen. Mucous membranes of humans; one form, N. gonorrhea, causese STD
|
Neisseria neg
|
|
|
Gram neg; egg shaped (coccbacilli) that can infect eyelids, called conjunctiva, causing conjunctivitis (pink-eye)
|
Moroxella lacunata
|
|
|
Most important; staphylococcus and streptococcus
|
Gram + cocci
|
|
|
Grapelike clusters; catalase positive
|
staphylococcus
|
|
|
Coccus; forms yellow pigmented colonies that grow w or w/o oxygen; causes toxic shock syndrom, produces enterotoxins; catalase-negative
|
Staph aeureus
|
|
|
paired or chained spherical positive; no oxygen necessary; cause "strep" infections
|
Streptococcus
|
|
|
Faculative aneorobe; no cell wall, sometimes confused for virus. Does have DNA, RNA, cell membrane. Respiratory diseases
|
Mycoplasma
|
|
|
Gram neg; obligate intracellular parasite; columnar epithelial of mucousal lining
|
Chlamydia
|
|
|
Non-motile, rod to cocci shaped, requires arthropod vector
|
Rickettsia
|
|
|
Gram neg cell wall; too small to see with light microscope; slender, tightly coiled
|
Spirochetes
|
|
|
Includes pathogenic N. meningitidis and N. gonorrhoea
|
gram - cocci
|
|
|
respiratory pathogens Hameophilus and bordetella (dog kennels), and zoonotic agents, brucella and pasteurella
|
gram - coccobacilli
|
|
|
divided into sporing and non sporing
|
gram + bacilli
|
|
|
Aerobic (bacillus) and anaerobic (Costridium). Pathogens include bacillus anthracis, which causes anthrax, and clostridia, which causes pseudomembranous colititus, tetanus, gas gangrene and botulism.
|
gram + bacilli sporing
|
|
|
Listeria and corynebacteria
|
gram + bacilli non sporing
|
|
|
form part of normal flora of humans and animals; found in the environment. Include pathogenic genera: salmonella, Shigella, Escherichia, Proteus and Yersinia. Also include hospital pathogens pseudomonans and burkholderia which are resistant to antibiotics. Also includes Legionella.
|
gram - bacilli
|
|
|
Small GI Pathogen helicobacter that colonizes in stomach, eading to cancers, and Campylobacer spp. that cause acute diarrhoea.
|
Spiral bacteria
|
