Palmer Microbiology Unit 4 – Flashcards
Unlock all answers in this set
Unlock answersquestion
cornebacterium diphtheriae |
answer
Babes-Ernst bodies Diptheria toxin: shuts off protein synthesis in epithelial cells. Diptheria means leathery Treatment: anti toxin |
question
A. Nocardia |
answer
Aerobic Leads to lumpy jaw |
question
Farmer's Lung |
answer
Caused by Thermophilic Actinomycytes "Allergic pneumonitis" |
question
Whipple's disease |
answer
Caused by Thermophilic Actinomycetes: Thrpheryma whipplii Malabsorption disease |
question
Tuberculosis |
answer
"Consumption" Caused by Mycobacterium tuburculosis M. bovis can infect humans~milk pasteurization |
question
Pott's disease |
answer
TB infection of vertebral column |
question
Granuloma |
answer
Gathering of activated macrophages around TB |
question
Ghon's focus |
answer
primary lestion of TB |
question
Myobacterium leprae |
answer
Causes leprosy AKA Hansen's disease Armadillo is a non human source Lion Face and hypethesia (numbness) |
question
Clostridium |
answer
Oxygen triggers sporulation Produce toxins |
question
Clostridium perfringens |
answer
Entrerotoxin killed in cooking, produced in gut Causes Gas gangrene, Cellulitis, and clostroidial food poisoning |
question
Gas gangrene |
answer
caused by C. perfringens Fermentation of muscle tisue, death in 2 days |
question
Cellulitis |
answer
Caused by C. perfringens |
question
Clostridial food poisoning |
answer
Caused by C. perfringens Third most common cause of food poisoning in US No fever, no nausea, no vomiting, yes cramps and diarhea. |
question
Clostridium difficile |
answer
Normal GI flora highly resistant to antibiotics Treatment, fecal transfer |
question
Clostridium botulinum |
answer
Most potent biological toxin-potential weapon Blocks neurotransmission-Flacid Paralysis Toxin is heat liable |
question
Infant botulism |
answer
in vivo production of botulism toxin in innfant's large bowel. floppy baby Spores found in honey |
question
Clostridium tetani |
answer
Resembles tennis racket Causes tetanus and Spastic paralisis Sardonic smile |
question
All gram negative bacteria have... |
answer
endotoxins |
question
Neisseria spp. |
answer
Look like coffee beans |
question
Neisseria gonorrheoeae |
answer
2nd most common STD in US Has Pilli Porin protein interferes with neutrophil killing. Women more likely to be infected after exposure. |
question
Purulent conjunctivitis |
answer
associated with Neisseria gonorrhea |
question
Neisseria meningitidis |
answer
Releases blebs of LOS Abrupt onset of conditions Kernig's and Brudzinski's orthopedic tests will be positive 25% mortality with treatment |
question
Escherichia Coli |
answer
Normal flora in GI tract A UTI can cause back pain Majority of UTI's are caused by E. Coli, can lead to septicemia. |
question
Enterotoxigenic E. Coli |
answer
Traveler's and infant diarrhea |
question
Enterohemorrhagic E. Coli |
answer
Shiga toxin Bloody diarrgea Death |
question
Salmonella |
answer
Not a toxin, a bacterial infection Chickens and turtles (all animals) |
question
Enteric Fever |
answer
Caused by Salmonella typhi Intestinal hemorrhage |
question
Shigella spp |
answer
inculdes S. dysenteriae Watery diarrhea Blood in stool |
question
Yersinia spp |
answer
The plague, black death Transmited by the rat flea 3 forms Septicemic, pneumonic, bubonic |
question
Bubonic plague |
answer
Not contagious, spreads through vector. |
question
Klebsiella pneumoniae |
answer
Capsule Gooey mucoid Aspired Alchoholics prone Also causes wound and uti's |
question
Proteus spp |
answer
Second major cause of UTI's eliminates urease |
question
Serratia marcescens |
answer
Produce red pigment Grows on soup, but not a mold |
question
Vibrio spp |
answer
found in shell fish, water, estuaries Causes Cholera |
question
Vibreo cholerae |
answer
"rice water" stools, extreme diarrhea Replace water and electrolites! |
question
Campylobacter jejuni |
answer
Found in raw chicken diarrhea, malaise, bloody stools Guillaine-Barre syndrome (paralysis) |
question
Helicobacter pylori |
answer
In 2/3 of everyone's stomachs Can cause ulcers |
question
Pseudomonas |
answer
Produce water soluble blue green pigments Smells like musty grapes Resistant to antibiotics can grow in distilled water and disinfectant. Causes death by making biofilm in patients with cystic fibrosis or severe burns Swimmer's ear and hot tub folliculitis |
question
Haemophilus influenza |
answer
Can cause meningitis Capsule makes type B important Big cause of Otitis media |
question
Heamophilus ducreyi |
answer
STD chancroid or soft chancre: painful, bleeds easily, soft raised border |
question
Bordetella pertussis |
answer
causes pertussis (whooping cough) vaccine destroys toxin, not bacteria endemic worldwide |
question
Brucella spp |
answer
Contracted from contaminated milk Causes undulant fever |
question
Legionelle pneumophila |
answer
First described in 1976 after a pneumonia outbreak at the American Legionnaire's convention Faculative intracellular paracytes can live within macrophages and amoeba |
question
Bartonella spp |
answer
cat scratch disease |
question
Treponema pallidum pallidum |
answer
causes syphilis cuses canchre open rash "great pox" |
question
T pallidum pertenue |
answer
Yaws or frambesia (red rasberry lesions) |
question
Leptospira interrogans |
answer
Hook at one end Shed in animal urine |
question
Leptospirosis |
answer
Urinary tract disease Weil's disease |
question
Borrelia recurrentis |
answer
Ticks and lice spread up to 10 relapses occur |
question
Borrelia burgdorferi |
answer
Lyme disease: Migrains Bullseye lesion Bell's Palsy |
question
Mycoplasma |
answer
No cell wall Worm like smallest free licing bacterium |
question
Mycoplasma pneumoniae |
answer
walking pneumonia antibiotics targeting cell wall ineffective |
question
Rickettsia spp |
answer
Rocky mountain spotted fever spread by arthropods (ticks, mites, lice, fleas) |
question
Rickettsia prowazekii |
answer
Causes Epidemic Typhus and Brill zinsser disease (relaxing fever) Vector: human body louse |
question
Rickettsia typhi |
answer
Causes endemic AKA Mexican typhus |
question
Orientia tsutsugamushi |
answer
causes scrub typhus Vector: chigger form of mite Asia and South Pacific |
question
Coxiella burnetti |
answer
Transmitted to cows by ticks, released into milk Causes Q fever |
question
Chlamydiae spp |
answer
obligate intracellular Energy paracytes |
question
Chlamydia trachomatis |
answer
Causes keratoconjunctivitis, leading cause of preventable blindness Causes swimming pool conjunctivitis, neonatal conjunctivitis, and infant pneumonia |
question
Chlamydia...the STD |
answer
most common STD in US Asymptomatic in women May result in Reiter's syndrome |
question
Chlamydophila psittaci |
answer
Causes psittacosis, parrot fever, ornithosis From birds |