Free Set
Question
Best vein for ABG?
Options
ARadial artery with Allen's test first Correct Answer
BFemoral artery
CSubclavian artery
DJugular vein
Correct Answer & Explanation
Option A: Radial artery with Allen's test first
Rationale
Radial artery preferred for ABG due to superficial location and good collateral via ulnar artery. Allen's test must confirm ulnar collateral before puncture.
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