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3981 Anatomy

A patient complains of having pain with repeated movements of his thumb (claudication). His physician performs the Allen test and finds an insufficiency of the radial aery. Which of the following conditions would be a result of the radial aery stenosis?,

AA marked decrease in the blood flow in the superficial palmar aerial arch
BDecreased pulsation in the aery passing superficial to the flexor retinaculum
CIschemia of the entire extensor muscles of the forearm
DA marked decrease in the blood flow in the princeps pollicis aery (Correct Answer)