OXYGENATION - First Module Flashcards
1
Q
What is the main function of the upper respiratory tract?
A
Passage of gasses during inspiration and expiration
2
Q
What is the main function of the lower respiratory tract?
A
Exchange of gasses
3
Q
What is the demarcation of the structures for the upper and lower respiratory tract is used as reference in
the medical diagnosis?
A
Upper respiratory tract infection (URI) affects the upper structures
Lower respiratory tract infection affects the lower structures specifically the lungs.
4
Q
What are the three key roles of upper airways?
A
Assist in the movement of the air to the LRT
Protect the LRT from foreign materials
Warm , filter, and humidify
5
Q
What is the main respiratory unit?
A
Alveoli.
6
Q
The lung is surrounded by which tissue?
A
Pleura and lubricated with pleural fluid.
