Gram Negative Bacteria Flashcards
Reverse
Neisseria Meningitidis - meningitis and septicaemia
Neisseria ghonorrhoeae - urethritis in men - pelvic inflammatory disease
What are the forms of Neisseria spp that are of clinical significance?
Reverse
Aerobic gram negative cocci
What type of bacteria are Neisseria spp and Moraxella catarrhalis?
Reverse
Can’t be stained with gram stains
Can’t be cultured under standard methods Mycobacterium Spirochaetes Chlamydia
What is meant by miscellaneous bacteria
Does salmonella ferment lactose?
NO
Reverse
Yes
Does E Coli ferment lactose?
Reverse
Klebsiella - UTI and pneumonia
Proteus spp - UTI
What other commensals of the gut exist? (apart from E.Coli)
Reverse
NO
Does salmonella ferment lactose?
What type of organisms is pseudomonas?
Strict aerobic bacilli water and soil organisms
Contaminates medical equipment
Hospital acquired cause of sepsis: pneumonia, UTI Respiratory infection in cystic fibrosis
What causes tuberculosis?
Mycobacterium tuberculosis
Reverse
Large (coliforms)
Small
What are the sub divisions of gram negative aerobic bacilli?
What is the test for syphilis?
Serology, nucleic amplification tests
What type of organism is E.Coli?
Coliform - large gram negative aerobic bacilli
Reverse
Treponem pallidum - syphilis
Borrelia burgdorferi - lymes disease
Give an example of a spirochaetes
Reverse
Bacteriodes Fragilis - normal colonic flora
Causes intra-abdominal abscess
What are the important anaerobes? (BACILLI)
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Primary - Non-painful skin legions
Secondary - Systemic illness and rash
Latent - symptomatic episodes may occur
Tertiary - central nervous system Congenital - stillbirth, neonatal death or disease
What are the stages of syphilis?
Reverse
Prevotella - cause of dental abscess (pus that forms in the teeth and gums), aspiration pneumonia, human and animal bite infections.
Name an oral anaerobe
What are the strains of chlamydia that cause respiratory infection?
Chlamydophila pneumoniae
Chlamydophila psittaci - contact with birds
Reverse
Urinary tract infection
Enterotoxogenic E.Coli - commonest cause of travellers diarrhoea
Enterohaemorrhagic E.coli - Bloody diarrhoea Haemolytic uraemic syndrome
What is the infection usually associated with Ecoli?
Reverse
Gut pathogen Coliform
What type of organism is salmonella?
Name a microaerophilic spiral bacilli
Helicobacter pylori - natural habitat is human stomach - damages mucosa and causes ulcers
Reverse
Mycobacterium leprae
What causes leprosy?
What causes leprosy?
Mycobacterium leprae
What is the ZN stain used for?
Mycobacterium species
What family do Coliforms belong in?
Enterobacteriaceae Inhabitants of the gut
What strain of chlamydia is responsible for the Ophthalmic and genital tract infection?
Chlamydia trachomatis - trachoma (tropical eye infections) Can lead to pelvic inflammatory disease and infertility
What does salmonella cause?
Enterocollitis, with or without bloody diarrhoea
What does typhoid cause?
Fever and constipation
Reverse
Serology, nucleic amplification tests
What is the test for syphilis?
What are the sub divisions of gram negative aerobic bacilli?
Large (coliforms)
Small
Reverse
Mycobacterium tuberculosis
What causes tuberculosis?