Explain why the lower respiratory tract is essentially sterile.
Explain why pneumonia is often a life-threatening disease.
Name three bacteria that commonly cause pneumonia. Which is the most common cause?
How does smoking make an individual more susceptible to infections?
How does the diphtheria pathogen form a pseudomembrane?
Since we all have experienced many colds in our lifetime, why are we not resistant to future infections?
Which pulmonary fungal infection is most likely to be confused with tuberculosis? How can we discriminate between these two types of infection?
Compare and contrast aspergillosis and mucormycosis.