Pharmacology: Beta-2 Agonists and Asthma Management

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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?

72 hours Signup and view all the answers

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

Monoamine oxidase inhibitors 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?

Chronic obstructive pulmonary disease Signup and view all the answers

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

To prevent rebound hypertension Signup and view all the answers

Which SABA is more selective for β2 receptors than metaproterenol?

Albuterol Signup and view all the answers

What is the main indication for using injectable terbutaline?

Suppression of premature labor Signup and view all the answers

What is a common side effect of SABA and LABA?

Tremor Signup and view all the answers

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

Due to increased risk of adverse cardiovascular effects Signup and view all the answers

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

Long-acting β2 selective agonists Signup and view all the answers

Pharmacology: Beta-2 Agonists and Asthma Management

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