Why can an inhaled medication produce effects more rapidly than the same medication swallowed by mouth?
Correct answer: A. The lungs provide a large, highly vascular absorption surface
- A. The lungs provide a large, highly vascular absorption surface
- B. The inhaled drug always passes through the stomach first
- C. The lungs prevent the medication from entering the bloodstream
- D. The inhaled dose is always larger than the oral dose
Explanation
The alveoli provide a large surface area with an extensive blood supply, allowing rapid absorption. Oral medicines must dissolve and pass through the gastrointestinal tract, and some are metabolised before reaching systemic circulation.
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About Routes and Safe Medication Administration
Safe medication administration covers oral, sublingual, buccal, topical, inhaled, enteral, intradermal, subcutaneous and intramuscular routes, including their absorption patterns and technique. It also includes medication rights, patient identification, documentation, allergy checks, injection site selection and prevention of errors, with route selection distinguished from dosage calculation.
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