Flashcards in Pathology of Obstructive Lung Diseases Deck (16):
What is obstructive lung disease characterised by?
In obstructive lung disease, is FEV1 increased or reduced?
Bronchial asthma is described as an inflammatory condition of the what?
Conducting airways in the lungs
Bronchial asthma is generally considered to be reversible or irreversible?
Why is bronchial asthma considered to be reversible?
As it is caused by muscle spasm and inflammation, 2 not permanent processes
Why is it that an asthmatic attack can be soothed by medical intervention?
It is a reversible process
What is the main common cause of COPD?
Exposure to tobacco smoke
IS the damage in airflow limitation in COPD reversible?
How is chronic bronchitis defined clinically?
Cough productive of sputum
What is the name of the most common form of emphysema?
What is the name given to the form of emphysema that is connected to alpha-1-trypsin deficiency?
What is the definition of a bulla?
An emphysematous space greater than 1cm
Emphysema can be caused by the inbalance of what?
Protease and antiprotease
How is type 1 respiratory failure defined?
Partial pressure of oxygen in arterial blood being less than 8kPa
Give the 4 main ways that gas exchange can be compromised?
Reduced respiratory drive
During acute exacerbation