Respiratory Tract Infections

Respiratory tract infections are the chief cause of absenteeism in schools as well as places of work. From the common cold to the more serious bronchitis, respiratory tract infections are usually infectious and thus easily passed on from one person to another.

Your assignment is to research on diseases of the respiratory tract, using the South University Online Library or the Internet. Based on your research, respond to the following:

Classify respiratory tract diseases, their causes, and the pattern of associated symptoms.
How are infections of upper respiratory tract different from those of lower respiratory tract?
Why are infections of the upper respiratory tract milder as compared to those pertaining to the lower respiratory tract?
Describe the curative methods for each of upper and lower respiratory tract infections.
What are three specific factors of the immune system that help to clear the lower lung of infectious agents?

must use in-text citations and have references