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16 Cards in this Set

  • Front
  • Back
The Upper respiratory tract consists of
nasal cavity, pharynx, larynx, trachea, and bronchi)
Lower respiratory tract consists of
lungs
The two essential jobs of the respiratory tract includes
move oxygen from atmosphere to blood

expel CO2 from blood to atmosphere
Pathway of incoming air
nasal cavity, pharynx, larynx, trachea, primary bronci
Common infection causing microbes of the respiratory tract
Klebsiella pneumonia

Streptococcus pneumoniae

Staphylococcus aureus

Haemophilus

All dangerous if aspirated from
Antimicrobial properties of respiratory tract
nasal cavity traps incoming particulates

coughing/sneezing

mucociliary escalator

alveolar macrophages

hairs/wax in ears
Mucociliary escalator
ciliated epithelial cells sweep entrapped particles upwards where they're expelled or swallowed
Alveoli
sac-like clusters at end of bronchioles where gas exchange occurs
Normal microflora of lung
none
Pharyngitis
infection of pharynx causing a sore throat
Streptococcal pharyngitis
aka strep throat

Cause: inhalation of Streptococci pyogenes, Group A

Symptoms: sore throat, rash, headache, stomachache (no cough or nasal d/c)
Laryngitis/Epliglottitis
Cause: Haemophilus infleunzae or streptococcus pneumonia

Symptoms: airway restriction, loss of voice
Sinusitis
Cause: streptococcus pneumoniae, moraxella catarrhalis, H. influenza, staph aureus

Symptoms: facial/ nasal pain, congestion, headache
Bronchitis
Cause: strep pneumoniae, mycoplasma pneumoniae, haemophilus, or moraxella

Symptoms: severe SOB which may spread to pneumonia
Links to bronchitis
smokers
elderly
inhalation of pollutants
heredity
air pollution
Diptheria
Cause: toxin producing strains of Corynebacterium diptheriae