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MSC Causative Agents
MSC 112 - Diseases and their Causative Agents
| Question | Answer |
|---|---|
| Skin Abscesses | Staphylococcus Aureus most common form of straph spreading factor mouth and nose direct contact |
| Lobar Pneumonia | Streptococcus pneumoniae capsule prevents phagocytosis fluid in alveolar sacs nose and mouth direct or indirect |
| Scarlet Fever | Streptococcus Pyogenes Erythrogenic Toxin Dick Test Shultz-Charlton - determine toxin mouth or skin direct or indirect |
| Gonorrhea | Neisseria Gonorrhoeae associated with PID STD direct sexual contact |
| Epidemic Meningitis | Neisseria Meningitidis strict human parasite brain and spinal cord dura mater, pia mater, arachnoids |
| Tetanus | Clostridium Tetanii puncture wound with infected objectDPT vaccine |
| Gas Gangrene | Clostridium Perfringens Gas Ganrene in living Tissue Gas in Dead contaminated instruments Infectious BU NOT communicable |
| Diptheria | Corynebacterim Diptheriae Most common in low socioeconomic groups communicable, mostly children |
| Typhoid Fever | Salmonella Typhi |
| Tularemia (Rabbit Fever) | Francisella Tularenis |
| Tuberculosis in AIDS | Mycobacterium Avium Complex slow growing opportunist Blood test |
| Tuberculosis | Mycobacterium Tuberculosis Tuberculin Skin Test - shows on skin Chest X-ray - shows concentration Septum Culture - shows if active |
| Syphillis | Treponema Pallidium Three stages: entry point, 6 wks later, 4 yrs later sexual contact |
| Lyme Disease | Borrelia Burgdorferi ticks |
| Primary Atypical Pneumonia | Mycoplasma Pneumonia have no cell wall can pass through biological filters droplet spray or direct contact uncommon in ages 50+ |
| Epidemic Typhus | Rickettsia Prowazekii louse borne host to host |
| Endemic Typhus | Rickettsia Typhi flea borne zoonosis bite of flea of infected rat |
| Rocky Mountain Spotted Fever | Rickettsia Rickettsii 1873 Eastern US tick bites |
| Q-Fever | Coxiella Burnetii ingestion of raw milk tick bite |
| Psittacosis | Chlamydia Psittaci upper respiratory tract infection |
| Trachoma | Chlamydia Trachomatis eye and urogenital tract |
| Q-Fever | Asiatic Fever |
| Psittacosis | Yersinia Pestis |
| Trachoma | Klebsiella pneumoniae in intestines but translocates to lungs Nosocomial |
| Botulism | Clostridium Botulinum inadequate heating of food produces flaccid paralysis diaphram and intercostal muscles contract causing asphyxiation |
| Anthrax | Bacillus anthracis zoonosis accidently by contact with animals rare in humans breathed in or eaten aerobic |
| Influenzal Meningitis | Hemophilis Influenzae droplet spray nasal secretions |
| Secondary Infection (Burns) | Proteus sp. feces, sewage, soil opportunist swarming colonies |
| Secondary Infection (Burns) | Pseudomonas sp. free living bacteria soil and water opportunistic causes infections OUTSIDE intestines |
| Shigella | Bacillus Dysentery |
| Leptospirosis | Leptosira Interrogans Zoonosis exposure to infect animal urine associated with jaundice |
| Enteritis | Escherichia Coli common intestinal flora suppresses growth of pathogens cause of UTIs |
| Bacteriogastroenteritis | Campylobacter Jejuni normal intestinal flora poorly prepared food |
| Legionnaire's Disease | Legionella Pneumophilia |
| Histoplasmosis | Histoplasma Capsulatum primary deal with lungs secondary is systemic |
| Candidiasis | Candida Albicans mouth flora oral thrush Monilia (old name) |
| Cryptococcus | Cryptococcus Neoformans goes from lungs to CNS bird droppings cerebral or pulmonary |
| PCP | Pneumocystis Carnii exclusive to people with suppressed immunes Terminal Infection |
| Entamoeba Histolytica | Amoebiasis (Amebic Dysentery) through nouth as a cyst can kill if untreated water and raw vegetables |
| Malaria | Plasmodium Malariae bite of mosquito tropics and subtropics |
| Toxoplasmosis | Toxoplasmi Gondii hosted by cats, warm blooded animals through mouth vertical from mother to child |
| Creutzfeld-Jakob Syndrome | Prion degenerative brain disorder slow virus |
| Septic Sore Throat | most common of the streptococcus infections |
| Neisseria | Normal flora of mucus membranes |
| Salmonella Species | acquired through food gastroenteritis contaminated food and drink indirect, arthropod mechanical vectors |
| Shigella Species | humans extremely susceptible cause shedding of blood, mucous and cells through feces danger of dehydration |
| Acute Coryza | common cold |