Obstruction (blockage) in the radial artery will restrict ALL blood flow to the hand resulting in "blue fingernails" (a tell-tale sign of cyanosis).

Name: Obstruction (blockage) in the radial artery will restrict ALL blood flow to the hand resulting in "blue fingernails" (a tell-tale sign of cyanosis).
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Question

Quizplus · Accepted Answer

The hand receives blood from both the radial and ulnar arteries. If the radial artery is obstructed, the ulnar artery can still provide blood flow to the hand, potentially preventing cyanosis.

Obstruction (Blockage) in the Radial Artery Will Restrict ALL Blood