NCLEX-RN (Registered Nurse) Practice Exam · Question
Which medication administration route provides the fastest onset of action?
Intravenous administration delivers medication directly into the bloodstream, bypassing absorption barriers and leading to the fastest onset of action.
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Question: Which medication administration route provides the fastest onset of action?
Answer options:
- Oral (PO)
- Intramuscular (IM)
- Subcutaneous (SubQ) ✅ Intravenous (IV)
Correct answer: Intravenous (IV)
Explanation: Intravenous administration delivers medication directly into the bloodstream, bypassing absorption barriers and leading to the fastest onset of action.
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