All of the following are common types of medication delivered via inhalation, EXCEPT?

BTSC Staff Nurse 1 August-2025

Pharmacology

Easy

Appeared in: BTSC Staff Nurse 1 August-2025

Explanation

Insulin and glucagon are peptide hormones primarily administered via injection to manage blood glucose levels.
While a form of inhaled insulin (e.g., Afrezza) exists, it is not as commonly used as the numerous injectable insulin preparations.
Glucagon, used for severe hypoglycemia, is administered via injection (IM/SC) or as a nasal spray (Baqsimi); it is not available in an inhaled form for the lungs.
Therefore, as a class, insulin and glucagon are not common types of medication delivered via inhalation, making them the correct exception.

Option A: Inhaled anesthetics (e.g., sevoflurane, desflurane) are volatile gases or liquids that are vaporized and delivered via inhalation. This is the primary and standard method for inducing and maintaining general anesthesia.
Option B: Inhaled corticosteroids (e.g., fluticasone, budesonide) are a cornerstone of maintenance therapy for chronic inflammatory airway diseases like asthma and COPD. They are delivered directly to the lungs via metered-dose inhalers (MDIs) or dry powder inhalers (DPIs).
Option C: Bronchodilators (e.g., albuterol, salmeterol, ipratropium) are used to relieve bronchospasm and open the airways. Inhalation is the preferred route for rapid, targeted delivery to the lungs with minimal systemic side effects.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Routes of Medication Administration as background academic context rather than a clinical decision trigger.
A nurse's understanding of medication routes is fundamental to patient safety. Administering a drug via the wrong route can lead to ineffectiveness, overdose, or severe adverse reactions.
For inhaled medications, patient education on the correct use of devices (MDIs, DPIs, nebulizers) is a critical nursing role. Improper technique is a common cause of treatment failure in asthma and COPD.
Nurses must be aware of the different formulations of drugs. For example, while most insulin is injectable, knowing about less common forms like inhaled insulin is important for comprehensive patient care and education.

How to Approach the Question

First, identify the keyword 'EXCEPT'. This signals that you are looking for the option that does not fit with the others.
The question asks about 'common types' of medication delivered via 'inhalation'.
Evaluate each option based on your knowledge of common medical treatments:
Inhaled anesthetics: Recall that during surgery, patients often breathe in gases through a mask. This is a common use.
Corticosteroids & Bronchodilators: Think of asthma 'puffers' or inhalers. These are extremely common inhaled medications.
Insulin & Glucagon: Think of diabetes management. The standard method is self-injection. While other forms exist, injection is by far the most common.

Concept Tested & Keywords

Q6KINHxlzLaaGyKjmyMc1g

E6 Nursing Fundamentals Taylor p. 727-729

E6 Pharmacology Nurses Shanbhag 3e p. 204-206

E6 Pharmacology Katzung 16e p. 567-569