NCLEX : Respiratory Pharmacology

Study concepts, example questions & explanations for NCLEX

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Example Questions

Example Question #1 : Respiratory Pharmacology

All of the following are examples of adrenergic agonists except __________.

Possible Answers:

salmeterol 

albuterol

tiotropium

terbutaline

Correct answer:

tiotropium

Explanation:

Albuterol, terbutaline, and salmeterol are all beta-2 adrenergic agonists. Beta-2 adrenergic agonists stimulate beta-2 adrenergic receptors, causing smooth muscle relaxation in the bronchial passages.

Tiotropium (trade name Spiriva) is an anticholinergic bronchodilators.

Example Question #131 : Pharmacology

Which of the following is an example of an inhaled steroid used in the treatment of asthma?

Possible Answers:

Ipratropium

Fluticasone

Salmeterol

Tiotropium
Correct answer:

Fluticasone

Explanation:

Fluticasone (trade name Flovent) is a synthetic glucocorticoid used in the treatment of asthma and allergic rhinitis. 

Tiotropium (trade name Spiriva) and Ipratropium (trade name Atrovent) are both anticholinergics, and Salmeterol (trade name Serevent) is a beta-2 adrenergic receptor agonist.

Example Question #42 : Drug Identification

What class of drug is montelukast?

Possible Answers:

Anticholinergic bronchodilator

Long acting beta-2 agonist (LABA)

Leukotriene inhibitor

Corticosteroid

Correct answer:

Leukotriene inhibitor

Explanation:

Montelukast is a leukotriene inhibitor. It acts by antagonism of the leukotriene receptor sites in bronchial wall smooth muscle to prevent wheezing, chest tightness, and coughing caused by asthma, and to treat other respiratory issues to promote proper ventilation.

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