The respiratory system Flashcards
1
Q
what does parasympathetic stimulation of the airways cause
A
bronchoconstriciton
mucus secretion
bronchial vasodilation
(cholinergic nerves)
2
Q
what causes bronchodilation
A
beta adrenergic stimulation to airway smooth muscle
3
Q
what is step 1 of asthma treatment
A
short term B2 agonist drug as required by inhalation
salbutamol - immediate effect which lasts 2-4 ours
4
Q
what is step 2 of asthma treatment
A
inhaled steroid low-moderate dose
(beclomethasone/budesonide)
(fluticasone)
5
Q
what is step 3 of asthma treatment
A
add further therapy
long acting B2 agonist
high dose inhaled steroids
6
Q
what is step 4 of asthma treatment
A
oral steroids added
