Extensor Forearm and Dorsum of Hand
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7 questions
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- Q1What muscle is pierced by the deep branch (posterior interosseus) of the radial nerve?Pronator teresSupinatorExtensor digitorumBrachioradialis30s
- Q2What clinical feature is not symptomatic of a radial nerve injury?Paralysis of all extensors in upper armAll are symptoms of radial nerve injuryParalysis of all forearm extensorsWrist drop30s
- Q3_________ is a bony prominence that serves as a pulley for extensor pollicis longus:Ulnar tuberosityRadial styloid processDorsal tubercle/Lister’s tubercleRadial tuberosity30s
- Q4The ______ muscle is supplied by the radial nerve and flexes the arm.BrachioradialisSupinatorBrachialisPronator teres30s
- Q5Bryce has been experiencing pain on the extensor compartment of his forearm and along the dorsal side of his thumb. He has also noticed that his wrist appears swollen and this pain becomes severe when he ulnar deviates his wrist. These symptoms indicate Bryce is suffering from:Medial epicondylitisDigital tenovaginitis stenosansQuervain tendovaginitis stenosansIschemia of the digits30s
- Q6Which of the following is not a superficial forearm extensor?Extensor digitorumAnconeusExtensor indicisExtensor digiti minimi30s
- Q7The radial nerve splits into two branches. The superficial branch ______________ and the deep branch _____________.Pierces through the anconeus; passes over the extensor digitorumPasses over the extensor digitorum; pierces through anconeusPierces through the brachialis; passes under the brachioradialisPasses under the brachioradialis; pierces through the supinator30s