Pharmacology: Beta-2 Agonists and Asthma Management

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Questions and Answers

Which of the following beta agonists is the SABA of choice for the management of acute asthma symptoms?

  • Formoterol
  • Terbutaline
  • Albuterol (correct)
  • Metaproterenol

What is the main concern when abruptly discontinuing beta agonists?

  • Rebound hypertension (correct)
  • Respiratory depression
  • Xerostomia
  • Tachycardia

Which of the following is a common side effect of beta agonists that patients tend to develop tolerance to?

  • Tremors (correct)
  • Tachycardia
  • Anxiety
  • Restlessness

What is the maximum duration of using injectable terbutaline to suppress premature labor?

<p>72 hours (B)</p> Signup and view all the answers

Which of the following medications increases the risk of adverse cardiovascular effects when used concomitantly with beta agonists?

<p>Monoamine oxidase inhibitors (C)</p> Signup and view all the answers

What is the main indication for the use of long-acting beta agonists (LABAs) such as salmeterol and formoterol?

<p>Chronic obstructive pulmonary disease (D)</p> Signup and view all the answers

What is the reason for avoiding abrupt discontinuance of β2 agonists?

<p>To prevent rebound hypertension (B)</p> Signup and view all the answers

Which SABA is more selective for β2 receptors than metaproterenol?

<p>Albuterol (B)</p> Signup and view all the answers

What is the main indication for using injectable terbutaline?

<p>Suppression of premature labor (D)</p> Signup and view all the answers

What is a common side effect of SABA and LABA?

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

Why should concomitant use of MAOIs with β2 agonists be avoided?

<p>Due to increased risk of adverse cardiovascular effects (A)</p> Signup and view all the answers

What is the class of salmeterol, formoterol, and indacaterol?

<p>Long-acting β2 selective agonists (A)</p> Signup and view all the answers

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