Which of the following describes the correct procedure for an Allen test?
a. Compress both the radial and ulnar arter-ies, and then release the radial artery.
b. Compress both the radial and ulnar arter-ies, and then release the ulnar artery.
c. Compress both the radial and ulnar arter-ies, and then release both arteries at once.
d. Compress the brachial artery only and ob-serve circulation to the hand.
ANS: B
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