Classic Classic Quiz Anatomy Forearm by Amazinga Amazinga 1 289 played - 10 yrs ago Muscles and bones of the forearm QUIZ 30 QUESTIONS medium Anatomy 1 Which muscles act primarily on the elbow (olecranon process)? Biceps brachii and brachialisBrachialis and brachioradialisExtensor carpi radialis longus and anconeus 2 Extensor carpi radialis longus and brevis, extensor carpi ulnaris and extensor digitorum all share which attachment site? The common extensor tendon from the lateral epicondyle of the humerusBase of fifth metacarpalPosterior surface of distal shaft of ulna 3 Which muscle group is responsible for adducting the fingers? Palmaris longusPalmar interosseiFlexor digitorum superficialis 4 The flexors are located on the___________ side of the forearm. LateralPosteriorAnterior 5 Which muscles create the pivoting action between the radius and the ulna? Supinator, anconeus and brachioradialisPronator teres, brachioradialis and extensor carpi ulnarisPronator teres, pronator quadratus and supinator 6 Which muscle has an origin on the proximal end of the lateral supracondylar ridge of the humerus and an insertion on the styloid process of the radius? Pronator quadratusBrachioradialisSupinator 7 What action(s) does the extensor inidicis perform? Extend the second fingerAdduct the second fingerBoth a and b 8 The olecranon process serves as an attachment site for which muscle? AnconeusSupinatorBrachioradialis 9 The _________ is the strong, thin fribrous sheet that binds the radius and ulna together. Carpal tunnelFlexor retinaculumInterosseous membrane 10 What action(s) does the extensor carpi ulnaris perform? Adduct the wristExtend the 2nd through 5th fingersBoth a and b 11 The flexors are ______ and more ______ than the extensors. Thin and tendonousThicker and pliableTendonous and rigid 12 Which muscle has its origin as the capitate and the 2nd metacarpal, and its insertion as the base of the proximal phlanax of the thumb (pollicis)? Adductor pollicisExtensor digitorumOpponens pollicis 13 What action(s) do the flexor digitorum muscles perform? Tense the palmar fasciaFlex the 2nd through 5th fingersFlex the pollicis 14 Pronation occurs at which joint? MetacarpophalangealGlenohumeral jointRadioulnar joint 15 Abductor pollicis brevis_________________ the thumb. FlexesExtendsAbducts and assists in opposition of 16 The ___________________ is a continuation of the antebrachial fascia that stretches superficially across the palm of the hand. Interosseous membranePalmar aponuerosisAnnular ligament 17 What causes the "funny bone" reaction when you bump your elbow? Ulnar nerveRadial collateral ligamentFlexor retinaculum 18 The hypothenar eminence is located proximal to which phalange? Pinkie (digiti minimi)3rd phalangeThumb (pollicis) 19 Which muscle group resides on the posterior (lateral) side of the forearm? ExtensorsSupinatorsFlexors 20 The palmar aponeurosis servers as an attachment site for which tendon? Palmaris longus tendonFlexor carpi ulnaris tendonAbductor digiti minimi 21 Which muscle group is responsible for abducting and flexing the 2nd, 3rd, 4th and 5th fingers at the metacarpophalangeal joints? Flexor digitorum superficialisDorsal interosseiExtensor carpi radialis 22 The wrist joint is called the___________ joint. RadioulnarRadiocarpalMetacarpophalangeal 23 Which muscle, partially responsible for opposition, has its origin as the hamate and flexor retinaculum and its insertion as the shaft of the 5th metacarpal and ulnar surface? Flexor pollicis brevisDorsal interosseiOpponens digiti minimi 24 Which muscle has the origins of the lateral epicondyle of the humerus, radial collateral ligament, annular ligament and the supinator crest of the ulna, and the insertion of the anterior, lateral surface of the proximal end of the radial shaft? Extensor indicisFlexor carpi radialisSupinator 25 The _________ __________ is an antagonist to the biceps brachii and the supinator. Pronator teresSupinatorFlexor carpi radialis 26 The muscles responsible for extending the elbow joint are the ___________ and __________. Extensor carpi radialis and brachioradialisBiceps brachii and brachialisTriceps brachii and anconeus 27 The flexor carpi ulnaris, flexor digitorum superficialis, flexor carpi radialis and the palmairs lingus all share what attachment site in common? Common flexor tendon from the medial epicondyle of the humerusFlexor retinaculumBases of distal phalanges 28 What features of the wrist form the carpal tunnel? The carpal bones and the ulnar nerveInterosseous membrane and the carpal bonesFlexor retinaculum and the carpal bones 29 The ________ ________ has four long, superficial tendons stretching along the dorsal surface of the hands. Pronator teresExtensor digitorumFlexor carpi ulnaris 30 How many muscles act upon the thumb (pollicis)? 385 A mistake in this Quiz ? Contact the author Commentaires
