Bronchodilators: β2-agonists in Asthma Treatment
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Questions and Answers

What is the recommended way to use ULTRA-LONG ACTING β2—AGONISTS for asthma treatment?

  • In combination with an ICS (correct)
  • Twice a day
  • As monotherapy
  • Once a day

How long do ULTRA-LONG ACTING β2—AGONISTS provide bronchodilating effects for?

  • 4 hours
  • 12 hours (correct)
  • 8 hours
  • 24 hours

Which beverage provides stimulant effects due to containing methylxanthines?

  • Coffee (correct)
  • Orange juice
  • Apple juice
  • Milk

What is the main mechanism of action by which methylxanthines cause bronchodilation?

<p>Inhibition of phosphodiesterase (C)</p> Signup and view all the answers

Which of the following medications should NOT be used as monotherapy for asthma?

<p>Arformoterol (D)</p> Signup and view all the answers

What is the most likely outcome associated with using ULTRA-LONG ACTING β2—AGONISTS as monotherapy for asthma?

<p>Increased mortality rate (A)</p> Signup and view all the answers

What is the primary use of short-acting β2-agonists?

<p>Symptomatic treatment of bronchospasm (D)</p> Signup and view all the answers

What is the mechanism of action of β2-agonists?

<p>Stimulation of GPCRs leading to increased cAMP (A)</p> Signup and view all the answers

What is the duration of action of short-acting β2-agonists?

<p>4-6 hours (D)</p> Signup and view all the answers

What is the benefit of administering β2-agonists by inhalation?

<p>It reduces systemic toxicity (D)</p> Signup and view all the answers

What is the example of a short-acting β2-agonist?

<p>Salbutamol (A)</p> Signup and view all the answers

What is the use of long-acting β2-agonists?

<p>Adjunctive therapy for moderate to severe asthma (C)</p> Signup and view all the answers

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