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Yr 2 - Pharmacology > Asthma > Flashcards

Flashcards in Asthma Deck (8)
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1

What is the forced expiratory volume?

The amount of air expelled when patient tries really hard

2

What are the 3 parts to ashma therapy?

Moniter lung function (forced expiratory volume)

Avoid triggers

Drugs to control symptoms

 

3

How does the SNS control bronchial tone?

NA & A in blood

β2 receptors = decreased mucous secretion into bronchial lumen & increase cAMP = bronchodilation

4

How does the PSNS control bronchial tone?

ACh

M3 receptors = increased mucous secretions into bronchial lumen & produce IP3 & Ca = bronchoconstriction

 

5

Is it the sympathetics or the parasympathetics that are activated in asthma?

Parasympathetics

6

In which 3 ways are asthma drugs administered?

Metered dose inhaler (liquid)

Spinhaler (powder)

Spacer dispenser

7

Which 3 drugs can induce asthma?

NSAIDs e.g. aspirin (increased leukotrienes)

Beta blockers e.g. propanolol & atenolol

Anticholinesterases e.g. neostigmine

8

Which 3 drug types do we use for long term control of asthma?

Beta 2 adrenoreceptor agonists

M3 muscarinic receptor antagonists

Phosphodiesterase inhibitor & adenosine antagonist (Theopylline)