Microbiology Exam 5 Flashcards
ROD SHAPED - STRICT AEROBES
Must have Oxygen to Live
CORYNEBACTERIUM DYPTHERIAE
MICROBACTERIUM TUBERCULOSIS
MYCOBACTERUM AVIUM (BIRD STRAIN)
- Dyptheria – the D in DPT immunization – artificially active
PORTAL OF ENTRY/EXIT:
Respiratory tract
MODE OF TRANSPORTATION
Sputum – Direct person to person; droplet-infection, or sputum container-indirect
CORYNEBACTERIUM DYPTHERIAE
PATHOGENICITY:
- Tuberculosis (TB)-allergic disease, has to be exposed at least twice
- Anaphylaxis – can/will cause sever immediate allergic reaction -Pulmonary; most common -Intestinal; rural area, unpasteurized milk -Miliary; worst form, full spread throughout body
PORTAL OF ENTRY/EXIT:
Pulmonary tract, Respriatory, intestinal, digestive tract
MODE OF TRANSPORTATION
Direct, person to person (droplet infection)
Indirect – formites or handkerchiefs
MICROBACTERIUM TUBERCULOSIS
PATHOGENICITY:
- Opportunistic form of TB in AID/HIV victims
PORTAL OF ENTRY/EXIT:
Respiratory tract
MODE OF TRANSPORTATION
Direct, person to person (droplet infection Direct animal to person (birds)
MYCOBACTERUM AVIUM (BIRD STRAIN) PATHOGENICITY:
- Exotoxin – release poisonous substance continuously
- Localization in pharynx – lesion back of throat, can become so large it blocks airway
- Pseudomembrane – type of lesion
- Rod Shaped
- Graham positive
- Strict Aerobe – must have O2
CORYNEBACTERIUM DYPTHERIAE
CHARACTERISTICS:
- Rod Shaped
- Acid Fast Positive – presence of lipid or fat from cell wall (only one tested)
- High Lipid Content in Cell Wall – protects MO from environment
- Strict Aerobe – must have O2
- Tubercle – type of lesion, look white on chest x-ray, will eventually join together and destroy lung tissue
MICROBACTERIUM TUBERCULOSIS
CHARACTERISTICS:
- Rod Shaped
2. Strict aerobes
MYCOBACTERUM AVIUM (BIRD STRAIN) CHARACTERISTICS:
SPIRAL AND SPIROCHETES SHAPED
TREPONEMA PALLIDUM
LEPTOSPIRA INTERROGANS
BORRELIA BURGDORFERI
- Syphilis (lues) STD
PORTAL OF ENTRY/EXIT:
Genital Urinary Tract for acquired Placenta for congenital
MODE OF TRANSPORTATION
Direct person to person Physical contact or placenta for congenital
TREPONEMA PALLIDUM
PATHOGENICITY:
- Swamp Fever
2. Weils Disease
LEPTOSPIRA INTERROGANS
PATHOGENICITY:
- Lyme Disease – pain in all joints of body
PORTAL OF ENTRY/EXIT:
Skin
MODE OF TRANSPORTATION
Indirect animal to person (deer tick)
BORRELIA BURGDORFERI
PATHOGENICITY:
- Spirochete – coil like
- Chancre – hard shell or edged ulcer
- Gumma – lesion in tertiary (3rd) destructive or end stage
- Only seen with dark field microscope
- 4 stages –Primary – 8-12weeks – chancre ulcers –Secondary –up to 5 years, highly infectious –Tertiary-Rest of life, gumma destructive lesion
- Neurosyphilies – attacking central nervous system –Tabes Dorsalis – if attacking spine (paralysis) –General Paresis – if attacking brain
- Cardiovascular – attacking heart and blood vessels
TREPONEMA PALLIDUM
CHARACTERISTICS
- Only infectious jaundice
LEPTOSPIRA INTERROGANS
CHARACTERISTICS
SMALLER ROD SHAPED - G Negative
HEMOPHILUS INFLUENZA
YERSINIA (PASTEURELLA) PESTIS
FRANCISELLA TULARENSIS
- Blood Loving bacteria
1. Influenzal meningitis – children (3rd known to cause it) – flu like symptoms
HEMOPHILUS INFLUENZA
PATHOGENICITY:
- Plague – “black death”
- Causes Buboes – inguinal lymph nodes turn dark
Sylvatic – plague in rodents (rats)
MODE OF TRANSPORTATION
Animal to person (rat to flea to person)
YERSINIA (PASTEURELLA) PESTIS
PATHOGENICITY:
- Tularemia – rabbit fever
PORTAL OF ENTRY/EXIT:
Human skin Infected animal skin
MODE OF TRANSPORTATION
Direct animal to person (skinning) Indirect animal to person (rabbit tick), NO person to person
FRANCISELLA TULARENSIS
PATHOGENICITY:
- Can penetrate unbroken skin – only one that can do this
4. Febrile disease – fever last long time and/or becomes high 5. 87% initially appear as ulcers on skin
FRANCISELLA TULARENSIS
CHARACTERISTICS:
MISCELLANEOUS BACTERIA M.O.’S
PSEUDOMONAS “SP” BACILLUS ANTHROCIS MYCOPLASMA PNEUMONIAL CAMPYLOBACTER JEJUNI LEGIONELLA PNEUMONPHILIA HELICOBACTER PYLORI
- Secondary infection from burns
PSEUDOMONAS “SP”
PATHOGENICITY:
- Anthrax (splenic fever)
- Woodsorters disease
First MO isolated as the causative agent of a specific disease (by Koch) Proved a particular MO causes a particular disease
BACILLUS ANTHROCIS
PATHOGENICITY:
- A Typical Pneumonia
2. Walking Pneumonia
MYCOPLASMA PNEUMONIAL
PATHOGENICITY:
- Campylobacteriosis Gastroenteritis
CAMPYLOBACTER JEJUNI
PATHOGENICITY:
- Legionnaires disease
LEGIONELLA PNEUMONPHILIA
PATHOGENICITY:
- Produces fluorescent blue/green pigment
PSEUDOMONAS “SP”
CHARACTERISTICS
- Produces endospores
2. Rod Shaped bacteria
BACILLUS ANTHROCIS
CHARACTERISTICS
- Causes 85% of ulcer cases reported, but only once
CAMPYLOBACTER JEJUNI
CHARACTERISTICS
- Respiratory infection
LEGIONELLA PNEUMONPHILIA
CHARACTERISTICS