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PAX NLN Registered Nurse (RN) Vocabulary Practice Test

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Within the veins is described as what?
Correct Answer:
Intravenous
Explanation:
The main idea is the term that describes something located inside a vein. Intravenous comes from intra- (inside) + venous (vein), so it precisely means within a vein and is commonly used for fluids or medications given into a vein. Subcutaneous refers to under the skin, not inside a vein. Intravascular means inside blood vessels in general (both arteries and veins), which is broader than just veins. Arterial relates specifically to arteries. So the best fit for “within the veins” is intravenous.

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