Quiz
Arthrology, Myology Part 2(b)- Anatomy PMU 1st Year, 1st Semester
Questions in this quiz (40)
1The radial nerve
- Acontains fibers derived from only the sixth, seventh and eighth cervical spinal nerves
- Bpasses in front of the humerus from the medial to the lateral side
- Csupplies the muscles on the posterior aspect of the upper arm and forearm
- Dsupplies sensory branches to the nail beds of the index and middle fingers
- Eis the only nerve supplying the triceps muscle.
2The flexor digitorum profundus muscle
- Ahas an attachment to the ulna and not the radius
- Bis supplied only by the ulnar nerve
- Ccan flex the distal, middle and proximal phalanges of the hand
- Dis deep to the flexor digitorum superficialis (sublimis) muscle and tendons along its whole course
- Ehas only three of the four lumbrical muscles attached to its tendons in the hand
3If the ulnar nerve is cut at the elbow
- Apart of the flexor digitorum superficialis (sublimis) is paralysed
- Bthere is a loss of sensation in the back of the index finger
- Cflexion at the metacarpophalangeal joints of the ring and little finger is lost if their interphalarlgeal joints are kept extended
- Dthe distal phalanges of all the fingers are extended at the distal interphalangeal joints
- Ethe movement of opposition of the thumb is usually lost
4If the median nerve is cut at the wrist
- Asensation in the skin over the hack of the whole of the index finger is lost
- Badduction of the thumb is lost
- Cthe movement of opposition of the thumb is usually lost
- Dflexion at the metacarpophalangeal joint of the thumb is impossible
- Eextension at the interphalangeal joints of the index finger is lost
5With regard to movements of the medial four digits
- Amovement of the index finger in a radial direction is due to the first dorsal interosseous muscle
- Bflexion at the distal interphalangeal joints of all the digits is lost if the ulnar nerve is cut at the elbow
- Cflexion at the metacarpophalangeal joints while there is extension at the interphalangeal joints is due to the lumbrical muscles
- Dmovement of the ring finger in a radial direction is due to the third dorsal interosseous muscle
- Eextension at the metacarpophalangeal joints is effected by the dorsal interosseous muscles
6The palmar aponeurosis
- Ais attached to the skin of the palm by fibrous septa
- Bis attached distally to the fibrous flexor sheaths
- Cprotects the underlying tendons
- Dreceives tendon of palmaris longus
- Eapex is attached to flexor retinaculum
7The ulnar nerve
- Asupplies the adductor pollicis muscle
- Blies medial to the hook of the hamate
- Csupplies all the interossei muscles
- Dis deep to the flexor retinaculum
- Econtains fibers from only the first thoracic spinal nerve
8If the median nerve is cut at the level of the elbow joint
- Athere is a loss of sensation in the tips of all the fingers
- Bthere is usually a loss of opposition of the thumb
- Cthere is a complete loss of flexion at the wrist
- Dthere is a loss of adduction of the thumb
- Ethere is a loss of flexion at the interphalangeal joint of the thumb
9If the radial nerve is cut in the axilla
- Athe hand cannot be extended at the wrist
- Bthere is widespread sensory loss over the back of the forearm
- Cthe fingers cannot be extended at the metacarpophalangeal joints
- Dthe flexed forearm cannot be actively extended at the elbow
- Ethe forearm cannot be pronated
10The median nerve
- Aarises by two roots, one from the lateral cord and the other from the medial cord of the brachial plexus
- Bdoes not contain fibers originating in the first thoracic spinal nerve
- Clies medial to the axillary artery in the axilla
- Dsupplies all the flexor muscles in the front of the forearm
- Eis commonly the motor nerve to the abductor pollicis brevis muscle
11In the hand
- Athe superficial palmar arch is deep to the branches of the median nerve
- Bthe second palmar interosseous muscle is attached to the third metacarpal bone
- Cthe second dorsal interosseous muscle pulls the middle finger in a radial direction
- Dthe four dorsal interossei muscles are supplied by the radial nerve
- Ethe deep palmar arch is formed mainly by the radial artery
12The radius
- Ahas its growing end proximally
- Bhas the tendon of the biceps muscle attached to the whole of the radial tuberosity
- Chas the pronator teres muscle attached to its lateral border
- Dhas the extensor pollicis longus muscle attached to it
- Ehas the tendon of the abductor pollicis longus muscle on the lateral side of its styloid process
13The flexor digitorum superlicialis (sublimis) muscle
- Ahas attachments to the humerus, radius and ulna
- Bhas only two tendons just above the flexor retinaculum
- Cis supplied only by the median nerve
- Dis attached to the base of the middle phalanx of the medial four digits
- Eis superficial to the ulnar artery in the upper part of the forearm
14The ulnar nerve
- Ais deep to the triceps muscle in part of its course
- Bis posterior to the medial epicondyle of the humerus
- Carises from the medial cord of the brachial plexus
- Dis medial to the ulnar artery in the forearm
- Econtains fibers which supply the skin of the medial part of the front of the palm of the hand
15The median nerve
- Ais lateral to the axillary vein in the with
- Bcrosses in front of the brachial artery from the medial to the lateral side in the upper arm
- Cgives a branch to the elbow joint
- Dis lateral to the tendon of the biceps brachii muscle in the cubital fossa
- Eis superficial to the flexor retinaculum
16The ulna
- Ahas the flexor digitorum profundus muscle attached to its anterior surface
- Bhas the flexor digitorum superficialis (sublimis) muscle attached to the medial side of its coronoid process
- Cmay have the flexor pollicis longus muscle attached to it
- Dhas the abductor pollicis longus muscle attached to its posterior surface
- Ehas the flexor carpi ulnaris muscle attached to it
17The great (long) saphenous vein
- Ais anterior to the lateral malleolus
- Bis anterior to the saphenous nerve in the leg
- Chas no valves in its course in the leg
- Dis connected to the deep veins of the lower limb by channels which have no valves
- Eafter passing through the saphenous opening receives the superficial epigastric and external pudendal veins
- Fnone of these
18The semimembranosus muscle
- Ais a flexor of the leg at the knee
- Bforms the upper medial boundary of the popliteal fossa
- Cis innervated by the medial popliteal (tibial) part of the sciatic nerve
- Dforms the oblique popliteal ligament of the knee joint
- Ehas deep to its tibial attachment a bursa which never communicates with the knee joint
19The longitudinal plantar (tarsal) arch is supported and maintained by the
- Atibialis anterior muscle
- Bperoneus longus muscle
- Ctibialis posterior muscle
- Dcalcaneouavicular ligament
- Epopliteus muscle
20The peroneus longus muscle
- Ais paralyzed if the sciatic nerve is cut
- Bis an evertor of the foot
- Cis attached to the fifth metatarsal bone
- Dis an important muscle in maintaining the transverse arch of the foot
- Eis attached to the medial surface of the fibula
21With regard to the tibia
- Athe flexor hallucis longus muscle is attached to its posterior surface
- Bthe extensor hallucis longus muscle is attached to its anterolateral surface
- Cits articulations with the fibula are both synovial
- Dnone of these
22The soleus muscle
- Ais attached to only the soleal line ofthe tibia
- Bis active while walking upstairs
- Cis active while walking downstairs
- Dhas a tendon which begins at a higher level than that of the gastrocnemius muscle
- Eis a plantar flexor of the foot at the ankle joint
23The calcaneus
- Ahas the tendo calcaneus (Achillis) attached to the middle of its posterior surface
- Bhas the tendon of flexor hallucis longus passing inferior to the sustentaculum tali
- Chas the flexor digitorum accessorius muscle attached to its inferior and medial surfaces
- Dhas the long plantar ligament attached to its inferior surface
- Ehas the inferior extensor retinaculum attached to its upper surface anteriorly
24The common peroneal nerve (or its branches)
- Ainnervates the skin between the third and fourth toes
- Binnervates the knee joint
- Cinnervates the peroneus tertius muscle
- Dinnervates all the muscles producing inversion of the foot
- Einnervates all the muscles producing evasion of the foot
25Fibers of the fourth lumbar spinal nerve
- Asupply skin on the medial side of the leg
- Bare found in the inferior gluteal nerve
- Care found in the femoral nerve
- Dare found in the tibial nerve
- Eare found in the common peroneal nerve.
26The superficial peroneal nerve supplies
- Aperoneus Iongus and brevis
- Bperoneus tertius
- Ctibialis anterior
- Dextensor digitorum longus
- Eflexor digitorum longus
27The great (long) saphenous vein
- Abegins on the medial side of the ankle
- Bis anterior to the tibial (medial) malleolus
- Cis anterior to the medial femoral condyle
- Dreceives the termination of the small (short) saphenous vein
- Ehas no connexions with the deep veins of the leg
28The semimembranosus muscle
- Ahas a common origin from the ischial tuberosity with the semitendinosus
- Bis deep to the semitendinosus muscle
- Ccan act as a lateral rotator of the leg on the thigh
- Dis an extensor of the thigh on the trunk
- Eis innervated by the common peroneal (lateral popliteal) nerve
29The tibialis anterior muscle
- Ais a dorsiflexor of the foot at the ankle joint
- Bis active during the whole of the stance phase of the step in walking
- Cis attached to the navicular bone
- Dhelps to maintain the medial longitudinal arch
- Eis innervated by the deep pertinent (anterior tibial) nerve
30The medial plantar nerve
- Ahas cutaneous branches which supply the media! three and a half toes
- Barises from the tibial (pusterior tibial) nerve deep to the flexor retinaculum
- Cinnervates the abductor hallucis muscle
- Dintervates the flexor digitorum brevis muscle
- Einnervates the medial two plantar interossei muscles
31If the common peroneal (lateral popliteal) nerve is cut
- Aaversion of the foot is lost
- Binversion of the foot is lost
- Cdorsiflexion of the foot is lost
- Dplantar flexion of the foot is lost
- Ethere is no loss of cutaneous sensation
32The tibial(medial popliteal) nerve
- Ais superficial to the popliteal vessels in the popliteal fossa
- Bis lateral to the popliteal and posterior tibial vessels along the whole of its course down the back of the knee and leg
- Cgives off the sural nerve to the medial side of the leg and foot
- Dgives branches to the muscles which plantar flex the foot
- Egives branches to the knee and ankle joints
33The flexor hallucis longus muscle
- Ais attached to the tibia
- Bhas a tendon which in the sole is superficial to the tendon of the flexor digitorum longus muscle
- Chas a tendon which is medial to the posterior tibial vessels and nerves deep to the flexor retinaculum
- Dis attached to the proximal phalanx of the great toe
- Ereceives a slip from the flexor digitorum accessories muscle
- Fnone of these
34The tiblalis posterior muscle
- Ais attached to both bones of the leg
- Bhas a tendon which passes deep to the tendon of the flexor digitorum longus muscle
- Cis an invertor of the foot
- Dis attached by a fibrous slip to the sustentaculum tali
- Ehas a tendon which lies in a groove on the posterior aspect of the medial malleolus
35The radial nerve:
- Aarises from lateral cord of the brachial plexus
- Bsupplies brachioradialis
- Cdivides near the elbow into muscular and cutaneous components
- Dinnervates most of the dorsal skin of the hand
- Ewhen injured, gives rise to-the condition known as wrist drop
36The ulnar nerve:
- Aarises from the medial cord of the brachial plexus
- Bsupplies skin on medial side of arm and forearm
- Cpasses behind medial epicondyle of humerus
- Dsupplies first dorsal interosseous muscle
- Ewhen injured, thenar muscles are wasted
37The median nerve:
- Aarises directly from trunks of the brachial plexus
- Bcrosses the axillary artery from lateral to medial side
- Centers the forearm through pronator quadratus
- Denters the hand by passing through carpal tunnel
- Ewhen injured gives rise to the condition known as ‘claw hand’
38The carpal tunnel:
- Ais a fibro-osseous tunnel formed by carpal bones and palmar apaneurosis
- Bcontains the tendons of flexor digitorum superficialis
- Cboth the radial and ulnar arteries
- Dcompression of nerve in tunnel causes sensory loss in index finger (palmar surface)
- Econtains portion of ulnar bursa
39The palmar aponeurosis:
- Ais attached to the skin of the palm by fibrous septa
- Bis attached distally to the fibrous flexor sheaths
- Cprotects the underlying tendons
- Dreceives tendon of palmaris longus
- Eapex is attached to flexor retinaculum
40If the median nerve is cut at the wrist
- Asensation in the skin over the back of the whole of the index finger is lost
- Badduction of the thumb is lost
- Cthe movement of opposition of the thumb is usually lost
- Dflexion at the metacarpophalangeal joint of the thumbs impossible
- Eextension at the interphalangeal joints of the index finger is lost
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- Arthrology, Myology Part 2
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- Med Student
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- English
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