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Arthrology, myology - Part 2(a)- PMU

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PMY anatomy QB
Med Student
Quiz by Med Student , updated more than 1 year ago More Less
Sole C
Created by Sole C almost 9 years ago
Ramtin Yeganeh
Copied by Ramtin Yeganeh almost 8 years ago
Med Student
Copied by Med Student almost 8 years ago
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Resource summary

Question 1

Question
A 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
Answer
  • anterior to the lateral epicondyle
  • posterior to the medial epicondyle
  • anterior to the medial malleolus
  • posterior to the lateral malleolus
  • over the base of the fifth metatarsal

Question 2

Question
A 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?
Answer
  • femoral
  • lateral sural cutaneous
  • saphenous
  • superficial fibular
  • sural

Question 3

Question
A 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:
Answer
  • great saphenous vein
  • sural vein
  • small saphenous vein
  • femoral vein
  • dorsal venous arch

Question 4

Question
The 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?
Answer
  • deep fibular (peroneal)
  • posterior femoral cutaneous
  • saphenous
  • superficial fibular (peroneal)
  • sural

Question 5

Question
The deep peroneal nerve supplies:
Answer
  • tibialis anterior
  • extensor hallucis longus
  • extensor digitorum longus
  • all of the above
  • A and B only

Question 6

Question
The flexor digitorum superficialis muscle
Answer
  • has attachments to the humerus, radius and ulna
  • has only two tendons just above the flexor retinaculum
  • is supplied by the ulnar nerve
  • is attached to the base of the distal phalanx of the medial four digits

Question 7

Question
If the median nerve is cut at the elbow there is
Answer
  • loss of sensation in the tips of all the fingers
  • usually loss of opposition of the thumb
  • complete loss of flexion at the wrist
  • loss of adduction of the thumb

Question 8

Question
Supination 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:
Answer
  • brachialis
  • brachioradialis
  • biceps brachii
  • flexor carpi radialis
  • supinator

Question 9

Question
A 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?
Answer
  • coronoid process of ulna
  • lateral epicondyie of humerus
  • lateral supracondylar ridge of humerus
  • medial epicondyle of humerus
  • median supracondylar ridge of humerus
  • olecranon
  • posterior (subcutaneous) border of ulna

Question 10

Question
The anterior interosseous is a branch of which nerve?
Answer
  • axillary
  • median
  • musculocutaneous
  • radial
  • ulnar

Question 11

Question
In 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?
Answer
  • flexion of the MP and IP joints of the thumb
  • flexion of the PIP joints of digits 2 and 5
  • flexion of the PIP joints of digits 3 and 4
  • flexion of the DIP joints of digits 2 and 5
  • flexion of the DlP joints of digits 3 and 4

Question 12

Question
What muscle is innervated by branches of both the median and ulnar nerves?
Answer
  • flexor carpi ulnaris
  • flexor digitorum profundus
  • flexor digitorum superficialis
  • flexor pollicis longus
  • pronator quadratus

Question 13

Question
A 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:
Answer
  • anterior interosseous
  • common interosseous
  • posterior interosseous
  • radial
  • ulnar

Question 14

Question
The tendons on the dorsal side of the wrist are held in place by a thickening of the antebrachial fascia called the:
Answer
  • bicipital aponeurosis
  • extensor expansion
  • extensor retinaculum
  • interosseous membrane
  • palmar carpal ligament

Question 15

Question
Development of "tennis elbow" (lateral epicondylitis) involves the origin of which muscle?
Answer
  • abductor pollicis longus
  • anconeus
  • brachioradialis
  • extensor carpi radialis brevis
  • triceps brachii

Question 16

Question
In an industrial accident, the artery passing lateral to the pisiform bone is cut. This artery is the
Answer
  • deep palmar arch
  • radial
  • superficial palmar arch
  • superficial palmar branch of the radial artery
  • ulnar

Question 17

Question
When falling on an outstretched hand, the most commonly dislocated carpal bone is the
Answer
  • scaphoid
  • trapezoid
  • lunate
  • capitate
  • hamate

Question 18

Question
If 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?
Answer
  • brachialis
  • brachioradialis
  • coracobrachialis
  • long head of biceps brachii
  • short head of biceps brachii

Question 19

Question
If the tendon of palmaris longus were transected, what movement would he affected?
Answer
  • flexion of the MP and IP joints of the thumb
  • flexion of the proximal IP joints of digits 2 and 5
  • flexion of the proximal IP joints of digits 3 and 4
  • flexion of the wrist
  • extension of the wrist

Question 20

Question
The pulse of the radial artery at the wrist is felt immediately lateral to which tendon?
Answer
  • abductor pollicis longus
  • extensor pollicis longus
  • flexor carpi radialis
  • flexor digitorum profundus
  • palmaris longus

Question 21

Question
If the medial epicondyle of the humerus is fractured and the nerve passing dorsal to it is injured, which muscle would be most affected?
Answer
  • extensor carpi ulnaris
  • extensor digitorum
  • flexor carpi ulnaris
  • flexor digitorum profundus
  • flexor digitorum superficialis

Question 22

Question
A 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?
Answer
  • abduction
  • adduction
  • flexion of the distal phalanx
  • opposition

Question 23

Question
The main source of blood to the superficial palmar arterial arch is the:
Answer
  • deep branch of the ulnar artery
  • radial artery
  • superficial palmar branch of the radial artery
  • ulnar artery

Question 24

Question
What sesamoid hone develops in the tendon of flexor carpi ulnarls and is therefore not a part of the wrist joint?
Answer
  • capitate
  • lunate
  • pisiform
  • scaphoid
  • triquetral

Question 25

Question
In 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?
Answer
  • brachioradialis
  • extensor carpi radialis brevis
  • extensor carpi radialis longus
  • extensor pollicis brevis
  • extensor pollicis longus

Question 26

Question
While 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?
Answer
  • extensor carpi radialis brevis
  • extensor carpi radialis longus
  • extensor digiti minimi
  • extensor indicis
  • extensor pollicis longus

Question 27

Question
The signs and symptoms of carpal tunnel syndrome may vary among patients, but they always result from compression of what structure in the carpal canal?
Answer
  • median nerve
  • radial artery
  • superficial radial nerve
  • ulnar artery
  • ulnar nerve

Question 28

Question
What muscle tendon is enclosed within its own synovial sheath in the carpal canal?
Answer
  • flexor carpi ulnaris
  • flexor digitorum profundus to 2nd digit
  • flexor digitorum superficialis to 2nd digit
  • flexor pollicis longus
  • palmaris longus

Question 29

Question
The point of insertion of the flexor digitorum superficialis tendon to the index finger is on the:
Answer
  • distal phalanx
  • middle phalanx
  • proximal phalanx
  • second metacarpal
  • trapezoid bone

Question 30

Question
In 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?
Answer
  • abduction
  • adduction
  • extension
  • flexion
  • opposition

Question 31

Question
What arterial vessel accompanies the deep branch of the ulnar nerve across the palm?
Answer
  • deep palmar arterial arch
  • radial
  • radialis indicis
  • superficial palmar arterial arch
  • ulnar

Question 32

Question
The fourth dorsal interosseous muscle is innervated by the:
Answer
  • deep branch of the ulnar nerve
  • dorsal branch of the ulnar nerve
  • recurrent (motor) branch of the median nerve
  • superficial branch of the radial nerve
  • superficial branch of the ulnar nerve

Question 33

Question
A 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
Answer
  • capitate
  • hamate
  • lunate
  • scaphoid
  • trapezium

Question 34

Question
A 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?
Answer
  • first dorsal and first palmar interosseous muscles
  • first dorsal and second palmar interosseous muscles
  • first lumbrical and second dorsal interosseous muscles
  • second dorsal and first palmar interosseous muscles

Question 35

Question
A 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:
Answer
  • deep branch of the ulnar nerve
  • median nerve
  • recurrent (motor) branch of the median nerve
  • superficial branch of the ulnar nerve
  • ulnar nerve

Question 36

Question
Bleeding from a superficial cut in the middle of the palm of the hand near the proximal transverse crease comes mainly from what vessel?
Answer
  • princeps pollicis artery
  • radial artery
  • radialis indicis artery
  • superficial palmar arch
  • ulnar artery

Question 37

Question
A deep puncture wound in the palmar surface of the little finger near the proximal lP joint might introduce infection into which synovial cavity:
Answer
  • bursa of flexor carpi ulnaris
  • fibrous digital sheath of fingers
  • intercarpal joint space
  • radial bursa
  • ulnar bursa

Question 38

Question
In carpal tunnel syndrome, compression of the ruled nerve in the carpal tunnel affects which hand muscle.
Answer
  • adductor pollicis
  • second palmar interosseus
  • opponens digiti minimi
  • flexor pollicis brevis

Question 39

Question
After 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:
Answer
  • deep radial
  • deep ulnar
  • recurrent (motor) branch of median
  • superficial radial

Question 40

Question
What movement of the thumb would be most affected by lesion of the median nerve in the cubital fossa:
Answer
  • flexion
  • abduction
  • adduction
  • extension

Question 41

Question
Structures within the carpal tunnel include:
Answer
  • radial bursa
  • ulnar nerve
  • palmar aponeurosis
  • superficial palmar arterial arch
  • adductor pollicis muscle

Question 42

Question
A 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:
Answer
  • fibularis longus
  • flexor digitorum longus
  • flexor hallucis longus
  • tibialis anterior
  • tibialis posterior

Question 43

Question
A 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?
Answer
  • arcuate
  • deep plantar
  • dorsalis pedis
  • lateral plantar

Question 44

Question
A deep laceration, 2 cm in length, immediately posterior medial malleolus, may injure any of the following EXCEPT:
Answer
  • fibular artery
  • tibial nerve
  • tendon of tibialis posterior m.
  • tendon of flexor digitorum longus m.
  • tendon of flexor hallucis longus m.

Question 45

Question
A construction worker lacerates the dorsum of his foot just below his ankle. Profuse bleeding that occurs would result from cutting which vessel?
Answer
  • small saphenous vein
  • dorsalis pedis artery
  • medial plantar artery
  • anterior tibial artery
  • fibular artery

Question 46

Question
Compression 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:
Answer
  • abduction of the great toe
  • adduction of the middle toe
  • abduction of the little toe
  • adduction of the great toe
  • abduction of the middle toe

Question 47

Question
Pain may result from friction of the tendon of which muscle that passes deep to the anterior fibers of the long plantar ligament.
Answer
  • tibialis posterior
  • flexor hallucis longus
  • fibularis longus
  • tibialis anterior
  • flexor hallucis brevis

Question 48

Question
A 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:
Answer
  • skin, calcancometatarsal ligament, flexor digitorum brevis, quadratus plantae, long plantar ligament
  • skin. plantar aponeurosis. flexor digitorum brevis, quadratus plantae, long plantar ligament
  • skin, plantar aponeurosis, flexor digitorum brevis, tendons of the flexor digitorum longus, long plantar ligament
  • skin, plantar aponeurosis, quadratus plantae, flexor digitorum brevis, long plantar ligament
  • skin,transverse metatarsal ligament, flexor digitorum brevis, quadratus plantae, long plantar ligament

Question 49

Question
In 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:
Answer
  • club foot
  • foot drop
  • inability to extend the big toe
  • numbness between the first and second toes
  • weakness in inversion of the foot

Question 50

Question
While 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?
Answer
  • deep fibular
  • lateral plantar
  • medial plantar
  • sural
  • tibial

Question 51

Question
A 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?
Answer
  • anterior tibial
  • deep tibular
  • deep plantar
  • dorsalis pedis
  • dorsal metatarsal

Question 52

Question
The lateral plantar nerve is a branch of which nerve?
Answer
  • deep fibular
  • femoral
  • saphenous
  • sural
  • tibial

Question 53

Question
The most usual site for feeling the pulsations of the dorsalis pedis artery in the foot is:
Answer
  • just behind the medial malleolus
  • just lateral to the tendon of extensor hallucis longus
  • behind the tendon of fibularis tertius muscle
  • in the second dorsal metatarsal space
  • just behind the lateral malleolus.

Question 54

Question
A 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:
Answer
  • tibial
  • obturator
  • sciatic
  • femoral
  • common fibular

Question 55

Question
A 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?
Answer
  • common fibular
  • deep fibular
  • sciatic
  • superficial fibular
  • tibial

Question 56

Question
While 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?
Answer
  • tibial nerve
  • tibialis anterior
  • quadratus plantae
  • anterior tibial artery
  • plantar arterial arch

Question 57

Question
Your 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?
Answer
  • fibularis longus
  • tibialis posterior
  • fibularis brevis
  • tibialis anterior
  • popliteus

Question 58

Question
A 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?
Answer
  • tibialis posterior
  • tibialis anterior
  • fibularis tertius
  • fibularis longus
  • adductor hallucis

Question 59

Question
A 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?
Answer
  • biceps femoris
  • extensor digitorum longus
  • flexor digitorum longus
  • flexor hallucis longus
  • peroneus tertius

Question 60

Question
A 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:
Answer
  • numbness on the dorsum of the foot
  • inability to evert the foot
  • inability to invert the foot
  • foot drop
  • inability to plantarflex the foot

Question 61

Question
A 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?
Answer
  • common fibular
  • tibial
  • superficial fibular
  • medial plantar
  • sciatic

Question 62

Question
A 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:
Answer
  • calcaneometatarsal
  • deltoid
  • long plantar
  • plantar calcaneonavicular (spring)
  • short plantar

Question 63

Question
While 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?
Answer
  • anterior talofibular
  • anterior tibiofibular
  • calcaneofibular
  • deltoid
  • plantar calcaneonavicular (spring ligament)

Question 64

Question
Does the basilis vein perforate the brachial fascia?
Answer
  • True
  • False

Question 65

Question
Do any structures lie between the two heads of the pronator teres?
Answer
  • True
  • False

Question 66

Question
Does the flexor pollicis brevis muscle have a deep head?
Answer
  • True
  • False

Question 67

Question
Does the anterior lateral malleolar artery communicate with the perforating artery?
Answer
  • True
  • False

Question 68

Question
In 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:
Answer
  • Basilic
  • Brachial
  • Cephalic
  • Median cubital
  • Ulnar

Question 69

Question
The lateral antebrachial cutaneous nerve comes from the:
Answer
  • Axillary nerve
  • Medial cord nerve
  • Musculocutaneous nerve
  • Radial nerve
  • Ulnar nerve

Question 70

Question
A sixteen-year-old boy receives a superficial cut on the thumb side of his forearm. The superficial vein most likely affected is the:
Answer
  • Basilic
  • Cephalic
  • Median antebrachial
  • Median cubital
  • Radial

Question 71

Question
A sixteen-year-old boy received a superficial cut on the ulnar side of his forearm. The superficial vein most likely affected is the:
Answer
  • Basilic
  • Cephalic
  • Median antebrachial
  • Median cubital
  • Radial

Question 72

Question
During 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?
Answer
  • Lateral antebrachial
  • Medial antebrachial cutaneous
  • Musculocutaneous
  • Posterior antebrachial cutaneous
  • Superficial radial nerve

Question 73

Question
After trying to throw a curve ball, a pitcher lost sensation from the tip of the little finger. This indicates injury to which nerve?
Answer
  • Radial
  • Median
  • Ulnar
  • Musculocutaneous
  • Medial antebrachial cutaneous

Question 74

Question
While 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?
Answer
  • Posterior antebrachial cutaneous
  • Lateral antebrachial cutaneous
  • Medial antebrachial cutaneous
  • Musculocutaneous
  • Superficial radial

Question 75

Question
Because 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?
Answer
  • Brachial artery
  • Lateral antebrachial cutaneous nerve
  • Medial antebrachial cutaneous nerve
  • Median nerve
  • Radial nerve

Question 76

Question
Following 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:
Answer
  • Femoral nerve
  • Saphenous nerve
  • Sural nerve
  • Superficial fibular nerve
  • Deep fibular nerve
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