L10 Clinical ID Flashcards
What category does polio virus fall under?
Viruses
What category does chlamydia trachomatis fall under?
Chlamydiae
What category does rickettsia prowazekii fall under?
Rickettsiae
What category does mycoplasma pneumoniae fall under?
mycoplasma
What category does staphylococcus epidermis fall under?
Bacteria
What category does V.cholerae fall under?
Bacteria
What category does streptococcus pneumoniae fall under?
Bacteria
What category does mycobacterium tuberculosis fall under?
Mycobacteria
What category does Candida albicans fall under?
Fungus
What category does sporothrix schenckii fall under?
Fungus
What category does Histoplasma capsulatum fall under?
Fungus
What category does Giardia Lamblia fall under?
Protozoa
What category does Trypanosoma gambiense fall under?
Protozoa
What category does trypanosoma cruzi fall under?
Protozoa
What category does leishmania donovani fall under?
Protozoa
What category does enterobius vermicularis fall under?
Helminth
What category dose Wincherria bancrofi fall under?
Helminths
What category does Trichinella spiralis fall under?
Helminths
What are prions?
composed of modified host proteins
What are viruses?
Obligate intracellular organisms
Depend on host cell for replication
What are bacteriophages?
Viruses that only infect species specific bacteria
What are plasmids?
mobile genetic elements encoding virulence factors capable of being exchanged cell to cell via sexual conjugation
Bacteria
Prokaryotes without nuclei and ER
Gram Neg: Walls with peptidoglycan layer in between
Gram Pos: cell wall with peptidoglycan covering
What are chlamydiae?
Obligate intracellular pathogens causing GU infections and STDs
What are rickettsiae?
obligate intracellular pathogesn transmitted by insect vectors
What are mycoplasmas?
obligate intracellular pathogesn without peptidoglycan
What are the characteristics of fungi?
Thick cell walls
Hyphae with fruiting bodies (conidia)
What are protozoa
parasitic, single celled organisms with pliable plasma membranes and complex cytosolic organelles
What are helminths?
Parasitic multicellular worms
What are hte 3 classes of helminths?
Roundworms
Flatworms
Flukesrasites?
What are ectoparasites?
arthropods like ticks
What are bacterial endotoxins?
LPS: structural componeent of outer cell wall in gram neg bacteria to activate immune response
What are bacterial exotoxins?
Toxins released by bacteria to allow it to adapt and survive
Which pathogens show significant antigenic variations
Rhinovirus Influenza N.Gonorrhea Borrelia Hermsii Borrelia Burgdorferi Typanosoma Brucei Giardia Lamblia Plasmodium falciparum
What are the 5 inflammatory responses to infection?
Suppurative Mononuclear/granulomatous Cytopathic/Cytoproliferative Necrotizing Chronic/Scarring
What is suppurative inflammation?
Caused by pyogenic bacteria
Leads to increased permeability and neutrophil recruitment and infiltration
What is mononuclear/granulomatous inflammation?
Diffuse mononuclear interstitial infiltrates
Lymphocytes and macrophages forming giant cells
What is cytopathic/cytoproliferative inflammation?
Rxns of virus mediated damage to individual host cells in absences of host inflammatory response
What is necrotizing inflammation
Rapid and severe tissue damage with cell death