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26 Cards in this Set

  • Front
  • Back
Corynebacterium diptheriae
-Gram +
-Irregularly shaped rod
Whooping Cough
Bordetella pertussis
-Gram -
Mycobacterium tuberculosis
Pneumococcal pneumonia
Streptococcus pneumoniae
-Gram +
4 Atypical pnuemonias
-Mycoplasma pneumoniae
-Chlamydia psitacci
-Coxiella burnetii
-Legionella pneumophila
Primary atypical pneumonia
Mycoplama pneumoniae
-no cell wall
-grows in trachea
-transmitted via repiratory droplets
-Headache, low grade fever, and dry cough
Chlamydial Pneumonia, Ornithosis, Pittacosis, or Parrot Fever
Chlamydia psitacci
-simple c/ complex life cycle
-causes mental confusion, shortness of breath, flu-like sx
-Exposure to sick birds
Q Fever
Coxiella burnetii
-rickettsia family
-contracted by tick/inhalation of feces
-affects persons raising cattle/sheep
Legionella pneumophila
-Gram -, bacillus
-multiplies intracellulary
-found in natural/water supplies
-15-20% mortality; acute illness 2-10 days
4 Respiratory Fungal Pathogens
-Histoplasma capsulatum
-Coccidioides immitis
-Blastomyces dermatitidis
-Pneumocystis carinii
Histoplasma capsulatum
-most common
-flu-like illness
Coccidioides immitis
-dimorphic fungi
-no vaccine
-semiarid climates (Joaquin V)
Blastomyces dermatitidis
-dimorphic fungi
-resembles TB, wart like lesions
Pneumocystic pneumonia (PCP)
Pneumocystis carinii
-cysts in lungs
-AIDS associated; most common death
Bacillus anthracis
-Gram +, spore forming rod
-Woolsorter's disease
-Spores inhal.->ingested m0->enter bloodstream->toxin
Which bacterial gene encodes the toxin for Corynebacyterium diphtheria?
tox gene
What is a pseudomembrane?
aids in attachment to respiratory tissues
What is the incidence of diphtheria in the US? How is the disease prevented?
-100,000 children in US
-It is prevented by an acellular diptheria toxoid that has been inactivated by tx c/ formaldehyde.
Is there a vaccine for Whooping cough?
Yes, an acellular vaccine (included in DPT)
What is the normal progression of Mycobacterium tuberculosis?
Inflammation/lesions in lung tissus, causes a cellular immune response, and the growth rate is slow. Sx vary, but usually primary lesions.
What organisms can typically causes pneumonia?
Streptococcus pnuemoniae; S. aureus, H. influenzae, Klebsiella spp, E. coli, Proteus spp.
What is the most common respiratory disease caused by a fungus?
Histoplasmosis (Histoplasma capsulatum), which usually occurs worldwide and common in midwestern states.
What is the most common cause of death among people with AIDS?
Pneumoncystic pneumonia (PCP; Pneumocystic carinii)
What is the pathogenesis of Anthrax?
Spores inhaled, ingested by mO but are not killed, enter blood stream and produce toxin
What is the tx for Anthrax?
Describe the actions of the anthrax toxin
2 subunits: A, which contains the subunits Edema and Lethal Factors; and B, which is a protective antigen. At the cell surface, assembly occurs, forming holotoxin.