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Arthrology, myology - Part 2(a)- PMU
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Questions in this quiz (76)
1A saphenous vein cut-down is a procedure used to locate the great saphenous vein at the ankle. To find this vein, the skin would be incised
- Aanterior to the lateral epicondyle
- Bposterior to the medial epicondyle
- Canterior to the medial malleolus
- Dposterior to the lateral malleolus
- Eover the base of the fifth metatarsal
2A patient with a diabetic ulcer in the anterior mid-line of the ankle region experienced loss of cutaneous sensation on the dorsal surface of the foot. Which nerve was most likely damaged?
- Afemoral
- Blateral sural cutaneous
- Csaphenous
- Dsuperficial fibular
- Esural
3A 50-year-old female patient has large varicose veins located primarily on the posterior aspect of her calf. These veins are most likely direct tributaries to the:
- Agreat saphenous vein
- Bsural vein
- Csmall saphenous vein
- Dfemoral vein
- Edorsal venous arch
4The distal part of the lesser saphenous vein was mobilized for grafting. Following the operation, the patient complained of numbness (loss of cutaneous sensation) on the distal lateral side of the leg and the lateral side of the foot. What nerve was damaged during the operation?
- Adeep fibular (peroneal)
- Bposterior femoral cutaneous
- Csaphenous
- Dsuperficial fibular (peroneal)
- Esural
5The deep peroneal nerve supplies:
- Atibialis anterior
- Bextensor hallucis longus
- Cextensor digitorum longus
- Dall of the above
- EA and B only
6The flexor digitorum superficialis muscle
- Ahas attachments to the humerus, radius and ulna
- Bhas only two tendons just above the flexor retinaculum
- Cis supplied by the ulnar nerve
- Dis attached to the base of the distal phalanx of the medial four digits
7If the median nerve is cut at the elbow there is
- Aloss of sensation in the tips of all the fingers
- Busually loss of opposition of the thumb
- Ccomplete loss of flexion at the wrist
- Dloss of adduction of the thumb
8Supination of the hand and forearm would be diminished by loss of radial nerve function. But one very powerful supinator would remain intact and unaffected, namely:
- Abrachialis
- Bbrachioradialis
- Cbiceps brachii
- Dflexor carpi radialis
- Esupinator
9A worker doing repetitive lifting develops an inflammation in the tendon of origin of the extensor carpi radialis brevis muscle, commonly called “tennis elbow”. The focal point of pain would most likely be near which palpable bony landmark?
- Acoronoid process of ulna
- Blateral epicondyie of humerus
- Clateral supracondylar ridge of humerus
- Dmedial epicondyle of humerus
- Emedian supracondylar ridge of humerus
- Folecranon
- Gposterior (subcutaneous) border of ulna
10The anterior interosseous is a branch of which nerve?
- Aaxillary
- Bmedian
- Cmusculocutaneous
- Dradial
- Eulnar
11In an attempt to commit suicide by slashing the ventral side of the wrist, the two tendons of the flexor digitorum superficialis located most superficially were completely severed. What movement would be affected?
- Aflexion of the MP and IP joints of the thumb
- Bflexion of the PIP joints of digits 2 and 5
- Cflexion of the PIP joints of digits 3 and 4
- Dflexion of the DIP joints of digits 2 and 5
- Eflexion of the DlP joints of digits 3 and 4
12What muscle is innervated by branches of both the median and ulnar nerves?
- Aflexor carpi ulnaris
- Bflexor digitorum profundus
- Cflexor digitorum superficialis
- Dflexor pollicis longus
- Epronator quadratus
13A boy fell onto a sharp object and cut his deep radial nerve as it emerged from the supinator muscle. The artery joining
it at this point was also injured. The injured artery is the:- Aanterior interosseous
- Bcommon interosseous
- Cposterior interosseous
- Dradial
- Eulnar
14The tendons on the dorsal side of the wrist are held in place by a thickening of the antebrachial fascia called the:
- Abicipital aponeurosis
- Bextensor expansion
- Cextensor retinaculum
- Dinterosseous membrane
- Epalmar carpal ligament
15Development of "tennis elbow" (lateral epicondylitis) involves the origin of which muscle?
- Aabductor pollicis longus
- Banconeus
- Cbrachioradialis
- Dextensor carpi radialis brevis
- Etriceps brachii
16In an industrial accident, the artery passing lateral to the pisiform bone is cut. This artery is the
- Adeep palmar arch
- Bradial
- Csuperficial palmar arch
- Dsuperficial palmar branch of the radial artery
- Eulnar
17When falling on an outstretched hand, the most commonly dislocated carpal bone is the
- Ascaphoid
- Btrapezoid
- Clunate
- Dcapitate
- Ehamate
18If the musculocutaneous nerve is severed at its origin from the brachial plexus, flexion at the elbow is great weakened but not abolished. What muscle remains operative and can contribute to flexion?
- Abrachialis
- Bbrachioradialis
- Ccoracobrachialis
- Dlong head of biceps brachii
- Eshort head of biceps brachii
19If the tendon of palmaris longus were transected, what movement would he affected?
- Aflexion of the MP and IP joints of the thumb
- Bflexion of the proximal IP joints of digits 2 and 5
- Cflexion of the proximal IP joints of digits 3 and 4
- Dflexion of the wrist
- Eextension of the wrist
20The pulse of the radial artery at the wrist is felt immediately lateral to which tendon?
- Aabductor pollicis longus
- Bextensor pollicis longus
- Cflexor carpi radialis
- Dflexor digitorum profundus
- Epalmaris longus
21If the medial epicondyle of the humerus is fractured and the nerve passing dorsal to it is injured, which muscle would be most affected?
- Aextensor carpi ulnaris
- Bextensor digitorum
- Cflexor carpi ulnaris
- Dflexor digitorum profundus
- Eflexor digitorum superficialis
22A girl playing softball cuts the palm of her hand as she scoops up a piece of glass along with the ball. If the only nerve damaged is the recurrent branch of the median nerve, she would lose what movement of the thumb?
- Aabduction
- Badduction
- Cflexion of the distal phalanx
- Dopposition
23The main source of blood to the superficial palmar arterial arch is the:
- Adeep branch of the ulnar artery
- Bradial artery
- Csuperficial palmar branch of the radial artery
- Dulnar artery
24What sesamoid hone develops in the tendon of flexor carpi ulnarls and is therefore not a part of the wrist joint?
- Acapitate
- Blunate
- Cpisiform
- Dscaphoid
- Etriquetral
25In order to check the pulse of a child whose forearm is in a cast, the pediatrician presses her linger into the depth of the “anatomical snuffbox”. The tendon lying immediately medial (ulnar) to the physician’s linger belongs to what muscle?
- Abrachioradialis
- Bextensor carpi radialis brevis
- Cextensor carpi radialis longus
- Dextensor pollicis brevis
- Eextensor pollicis longus
26While watching her boyfriend split wood, a teenager was struck on the back of her carpals by a sharp- edged flying wedge. Her extensor digitorum tendons were exposed, though not severed, indicating that the surrounding syuovial sheath had been opened. What other muscle has its tendon surrounded by the same synovial sheath?
- Aextensor carpi radialis brevis
- Bextensor carpi radialis longus
- Cextensor digiti minimi
- Dextensor indicis
- Eextensor pollicis longus
27The signs and symptoms of carpal tunnel syndrome may vary among patients, but they always result from compression of what structure in the carpal canal?
- Amedian nerve
- Bradial artery
- Csuperficial radial nerve
- Dulnar artery
- Eulnar nerve
28What muscle tendon is enclosed within its own synovial sheath in the carpal canal?
- Aflexor carpi ulnaris
- Bflexor digitorum profundus to 2nd digit
- Cflexor digitorum superficialis to 2nd digit
- Dflexor pollicis longus
- Epalmaris longus
29The point of insertion of the flexor digitorum superficialis tendon to the index finger is on the:
- Adistal phalanx
- Bmiddle phalanx
- Cproximal phalanx
- Dsecond metacarpal
- Etrapezoid bone
30In order to evaluate the carpal-metacarpal joint of the thumb, the median nerve must he deadened at the wrist (causing paralysis of the muscles supplied by it distal to the injection) to test the joint. Which movement of the thumb would be most affected by the anesthetic?
- Aabduction
- Badduction
- Cextension
- Dflexion
- Eopposition
31What arterial vessel accompanies the deep branch of the ulnar nerve across the palm?
- Adeep palmar arterial arch
- Bradial
- Cradialis indicis
- Dsuperficial palmar arterial arch
- Eulnar
32The fourth dorsal interosseous muscle is innervated by the:
- Adeep branch of the ulnar nerve
- Bdorsal branch of the ulnar nerve
- Crecurrent (motor) branch of the median nerve
- Dsuperficial branch of the radial nerve
- Esuperficial branch of the ulnar nerve
33A student is rollerblading on the Diag and with while trying to avoid a bicyclist falls heavily on his right wrist. After the fall he notes severe pain in the anatomical snuff box. Radiological studies reveal a fracture of the bone deep to the snuff box called the
- Acapitate
- Bhamate
- Clunate
- Dscaphoid
- Etrapezium
34A patient sustained multiple deep lacerations on the palm of his hand and anterior surface of his wrist. During examination, the physician put a piece of paper between adjacent surfaces of the patient’s index and middle fingers and found him unable to squeeze them together with sufficient force to hold the paper. What muscles are being tested?
- Afirst dorsal and first palmar interosseous muscles
- Bfirst dorsal and second palmar interosseous muscles
- Cfirst lumbrical and second dorsal interosseous muscles
- Dsecond dorsal and first palmar interosseous muscles
35A patient sustained multiple deep lacerations on the palm of his hand and anterior surface of his wrist. During examination, the physician put a piece of paper between adjacent surfaces of the patient’s index and middle fingers and found him unable to squeeze them together with sufficient force to hold the paper. The most specific nerve branch to the tested muscles is the:
- Adeep branch of the ulnar nerve
- Bmedian nerve
- Crecurrent (motor) branch of the median nerve
- Dsuperficial branch of the ulnar nerve
- Eulnar nerve
36Bleeding from a superficial cut in the middle of the palm of the hand near the proximal transverse crease comes mainly from what vessel?
- Aprinceps pollicis artery
- Bradial artery
- Cradialis indicis artery
- Dsuperficial palmar arch
- Eulnar artery
37A deep puncture wound in the palmar surface of the little finger near the proximal lP joint might introduce infection into which synovial cavity:
- Abursa of flexor carpi ulnaris
- Bfibrous digital sheath of fingers
- Cintercarpal joint space
- Dradial bursa
- Eulnar bursa
38In carpal tunnel syndrome, compression of the ruled nerve in the carpal tunnel affects which hand muscle.
- Aadductor pollicis
- Bsecond palmar interosseus
- Copponens digiti minimi
- Dflexor pollicis brevis
39After suffering a cut deep tn the hypothenar eminence, the patient is unable to hold a sheet of paper between the second and third digits. The nerve most likely injured was the:
- Adeep radial
- Bdeep ulnar
- Crecurrent (motor) branch of median
- Dsuperficial radial
40What movement of the thumb would be most affected by lesion of the median nerve in the cubital fossa:
- Aflexion
- Babduction
- Cadduction
- Dextension
41Structures within the carpal tunnel include:
- Aradial bursa
- Bulnar nerve
- Cpalmar aponeurosis
- Dsuperficial palmar arterial arch
- Eadductor pollicis muscle
42A worker falls from a height and lands on his feet. Radiographs reveal a fracture of the sustentaculum tali. The muscle passing immediately beneath it that would be adversely affected is the:
- Afibularis longus
- Bflexor digitorum longus
- Cflexor hallucis longus
- Dtibialis anterior
- Etibialis posterior
43A patient has stepped on a board with a long nail sticking up from it, and the nail penetrated the patient’s foot between the bases of the first and second metatarsals. What artery is most likely injured at this location?
- Aarcuate
- Bdeep plantar
- Cdorsalis pedis
- Dlateral plantar
44A deep laceration, 2 cm in length, immediately posterior medial malleolus, may injure any of the following EXCEPT:
- Afibular artery
- Btibial nerve
- Ctendon of tibialis posterior m.
- Dtendon of flexor digitorum longus m.
- Etendon of flexor hallucis longus m.
45A construction worker lacerates the dorsum of his foot just below his ankle. Profuse bleeding that occurs would result from cutting which vessel?
- Asmall saphenous vein
- Bdorsalis pedis artery
- Cmedial plantar artery
- Danterior tibial artery
- Efibular artery
46Compression of the lateral plantar nerve as it passes between the flexor digitorum brevis and quadratus plantae could result in weakness of any of the following actions EXCEPT:
- Aabduction of the great toe
- Badduction of the middle toe
- Cabduction of the little toe
- Dadduction of the great toe
- Eabduction of the middle toe
47Pain may result from friction of the tendon of which muscle that passes deep to the anterior fibers of the long plantar ligament.
- Atibialis posterior
- Bflexor hallucis longus
- Cfibularis longus
- Dtibialis anterior
- Eflexor hallucis brevis
48A construction worker steps on a board with a nail in it. The nail pierces the sole of his boot and enters his foot 2 an anterior to his calcaneal tuberosity, at the middle of the width of his foot. Before reaching bone, the nail would pass through, in order:
- Askin, calcancometatarsal ligament, flexor digitorum brevis, quadratus plantae, long plantar ligament
- Bskin. plantar aponeurosis. flexor digitorum brevis, quadratus plantae, long plantar ligament
- Cskin, plantar aponeurosis, flexor digitorum brevis, tendons of the flexor digitorum longus, long plantar ligament
- Dskin, plantar aponeurosis, quadratus plantae, flexor digitorum brevis, long plantar ligament
- Eskin,transverse metatarsal ligament, flexor digitorum brevis, quadratus plantae, long plantar ligament
49In an accident involving farm machinery, a farmer receives a cut on the dorsum of his ankle. As you inspect the wound and test for functional and sensory deficits, you find that no tendons have been cut, but the dorsalis pedis artery and the accompanying nerve have been cut. You would expect to find:
- Aclub foot
- Bfoot drop
- Cinability to extend the big toe
- Dnumbness between the first and second toes
- Eweakness in inversion of the foot
50While walking barefoot on the beach following final exams, a medical student steps on a sharp shell which punctures the sole of her foot. She notices that she can no longer spread her toes apart (without using her hands, that is). Which nerve must have been injured?
- Adeep fibular
- Blateral plantar
- Cmedial plantar
- Dsural
- Etibial
51A medical student goes for a swim while an vacation after final exams. A barracuda bites his foot. severing an artery on the dorsum of his foot just below his ankle. Which artery has been severed?
- Aanterior tibial
- Bdeep tibular
- Cdeep plantar
- Ddorsalis pedis
- Edorsal metatarsal
52The lateral plantar nerve is a branch of which nerve?
- Adeep fibular
- Bfemoral
- Csaphenous
- Dsural
- Etibial
53The most usual site for feeling the pulsations of the dorsalis pedis artery in the foot is:
- Ajust behind the medial malleolus
- Bjust lateral to the tendon of extensor hallucis longus
- Cbehind the tendon of fibularis tertius muscle
- Din the second dorsal metatarsal space
- Ejust behind the lateral malleolus.
54A patient with a fracture to the left upper tibia was treated with a plaster cast. A few days later he started to develop progressive numbness over the dorsum of the foot and weakness in dorsiflexion. The cast was quickly changed and the signs were attributed to nerve compression. The compressed nerve was most likely the:
- Atibial
- Bobturator
- Csciatic
- Dfemoral
- Ecommon fibular
55A long distance runner complained of swelling and pain of his shin (tibia). At physical examination, shin testing showed normal cutaneous sensation of the leg. However, muscular strength tests showed marked weakness of dorsiflexion and impaired inversion of the foot. Which nerve serves the muscles involved?
- Acommon fibular
- Bdeep fibular
- Csciatic
- Dsuperficial fibular
- Etibial
56While at the beach in Florida after final exams, a medical student steps on a stingray, which responds by stinging her in the ankle. The stinger pierces the skin, subcutaneous tissue, and flexor retinaculum of the ankle. Which other structure passing under the retinaculum may be injured?
- Atibial nerve
- Btibialis anterior
- Cquadratus plantae
- Danterior tibial artery
- Eplantar arterial arch
57Your patient was struck by a car’s bumper as she crossed the street, and her fibular neck is broken. After the bone has treated, she has “foot drop”, i.e. she cannot dorsiflex her foot, and so it flops onto the ground during walking. Denervation (paralysis) of which of the following muscles would be associated with foot drop?
- Afibularis longus
- Btibialis posterior
- Cfibularis brevis
- Dtibialis anterior
- Epopliteus
58A pedestrian is struck by a car, and his fibular neck is fractured. There is no indication of foot drop, but he cannot evert his foot and the top of his foot is numb. This apparent nerve lesion would affect which of the following muscles?
- Atibialis posterior
- Btibialis anterior
- Cfibularis tertius
- Dfibularis longus
- Eadductor hallucis
59A patient has been diagnosed with bone cancer in the fibula that necessitates its removal. Which of the following muscles would be least affected following removal of the fibula?
- Abiceps femoris
- Bextensor digitorum longus
- Cflexor digitorum longus
- Dflexor hallucis longus
- Eperoneus tertius
60A player is kicked on the front of his leg during a soccer game, and a large bruise develops. A hematoma deep to the crural fascia can create extreme pressure within the anterior compartment of the leg, compressing structures within it. The most likely finding resulting from this anterior compartment syndrome is:
- Anumbness on the dorsum of the foot
- Binability to evert the foot
- Cinability to invert the foot
- Dfoot drop
- Einability to plantarflex the foot
61A car strikes a pedestrian on the lateral side other leg. Following the accident, she has “foot drop”. Her toot hangs loosely in plantar flexion when she raises it all the ground. She can still invert her foot, but cannot evert it. She can flex but not extend her toes. Which nerve is most likely to have been crushed in her accident?
- Acommon fibular
- Btibial
- Csuperficial fibular
- Dmedial plantar
- Esciatic
62A soldier developed “fallen arches” from marching with a heavy pack in boots that lacked arch support. The ligament that normally supports the head of the talus and is primarily responsible for holding up the medial longitudinal arch of the foot is the:
- Acalcaneometatarsal
- Bdeltoid
- Clong plantar
- Dplantar calcaneonavicular (spring)
- Eshort plantar
63While water skiing following final exams, a medical student falls and twists her ankle. Her foot is forcibly everted, which could cause a sprain of which ligament?
- Aanterior talofibular
- Banterior tibiofibular
- Ccalcaneofibular
- Ddeltoid
- Eplantar calcaneonavicular (spring ligament)
64Does the basilis vein perforate the brachial fascia?
- ATrue
- BFalse
65Do any structures lie between the two heads of the pronator teres?
- ATrue
- BFalse
66Does the flexor pollicis brevis muscle have a deep head?
- ATrue
- BFalse
67Does the anterior lateral malleolar artery communicate with the perforating artery?
- ATrue
- BFalse
68In the process of escaping from T.rex in Jurassic Park the heroine punctures the skin on the medial side of her wrist on a spiny bush. A few days later, due to the toxin, an infection is seen spreading up the medial side of her arm along the large cutaneous vein extending from the dorsum of her hand to the medial side of her arm. The vein involved is the:
- ABasilic
- BBrachial
- CCephalic
- DMedian cubital
- EUlnar
69The lateral antebrachial cutaneous nerve comes from the:
- AAxillary nerve
- BMedial cord nerve
- CMusculocutaneous nerve
- DRadial nerve
- EUlnar nerve
70A sixteen-year-old boy receives a superficial cut on the thumb side of his forearm. The superficial vein most likely affected is the:
- ABasilic
- BCephalic
- CMedian antebrachial
- DMedian cubital
- ERadial
71A sixteen-year-old boy received a superficial cut on the ulnar side of his forearm. The superficial vein most likely affected is the:
- ABasilic
- BCephalic
- CMedian antebrachial
- DMedian cubital
- ERadial
72During insertion of an IV cannula in the median cubital vein, the patient suddenly lost feeling on the radial side of the forearm. What nerve was injured?
- ALateral antebrachial
- BMedial antebrachial cutaneous
- CMusculocutaneous
- DPosterior antebrachial cutaneous
- ESuperficial radial nerve
73After trying to throw a curve ball, a pitcher lost sensation from the tip of the little finger. This indicates injury to which nerve?
- ARadial
- BMedian
- CUlnar
- DMusculocutaneous
- EMedial antebrachial cutaneous
74While having an IV needle inserted into the cephalic vein of the forearm, the patient suddenly screamed in pain and felt tingling in part of the skin of the forearm supplied by the nerve accompanying the vein. What nerve was injured?
- APosterior antebrachial cutaneous
- BLateral antebrachial cutaneous
- CMedial antebrachial cutaneous
- DMusculocutaneous
- ESuperficial radial
75Because of scarring of a patient's median cubital vein, the technician chooses to insert an infusion needle into her basilic vein at the level of the medial epicondyle. Despite the certainty that the needle does not pass through the deep (investing) fascia, there is still a chance that it might nick or impale which of the following?
- ABrachial artery
- BLateral antebrachial cutaneous nerve
- CMedial antebrachial cutaneous nerve
- DMedian nerve
- ERadial nerve
76Following a car accident in which the patient received a deep laceration on the medial side of his right knee, the patient notices numbness along the medial side of his right leg and foot. He has no motor deficit. The nerve which appears to have been injured is the:
- AFemoral nerve
- BSaphenous nerve
- CSural nerve
- DSuperficial fibular nerve
- EDeep fibular nerve
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