Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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
|