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MSK 1 > Anatomy -practical 5 : cubital fossa ; anterior forearm ; carpal tunnel > Flashcards

Anatomy -practical 5 : cubital fossa ; anterior forearm ; carpal tunnel Flashcards

1
Q

what is the route for neurovasculature from the arm into the forearm?

a. carpal tunnel
b. cupital fossa
c. axilla
d. cervicoaxillary canal

A

b.cubital fossa

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2
Q

what forms the superior boundary of the cubital fossa?

a. horizontal line bwteen epicondyles of humerus
b. lateral border of pronator teres
c. medial border of brachioradialis
d. bicipital aponeuroses
e. brachialis

A

a. horizontal line between epicondyles of the humerus

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3
Q

what forms the medial boundary of the cubital fossa?

a. horizontal line bwteen epicondyles of humerus
b. lateral border of pronator teres
c. medial border of brachioradialis
d. bicipital aponeuroses
e. brachialis

A

b. lateral border of pronator teres

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4
Q

what forms the lateral boundary
of the cubital fossa?

a. horizontal line bwteen epicondyles of humerus
b. lateral border of pronator teres
c. medial border of brachioradialis
d. bicipital aponeuroses
e. brachialis

A

c.medial border of brachioradialis

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5
Q

what forms the roof of the cubital fossa?

a. horizontal line bwteen epicondyles of humerus
b. lateral border of pronator teres
c. medial border of brachioradialis
d. bicipital aponeuroses
e. brachialis

A

d.bicipital aponeurosis

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6
Q

what forms the floor of the cubital fossa?

a. horizontal line bwteen epicondyles of humerus
b. lateral border of pronator teres
c. medial border of brachioradialis
d. bicipital aponeuroses
e. brachialis

A

e. brachialis

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7
Q

what are the 3 main structures of the cubital fossa from lateral to medial?

a. biceps tendon,brachial artery, median nerve
b. median nerve, brachial artery, biceps tendon
c. brachial artery, biceps tendon, median nerve
d. biceps tendon, median nerve, brachial artery

A

a. biceps tendon, brachial artery, median nerve (TAN)

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8
Q

the medial nerve and what two other nerves are associated with the area of the cubital fossa?

a. radial , lateral
b. radial, ulnar
c. radial, axillary

A

b.radial and ulnar

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9
Q

where is the common origin of the muscles in the anterior compartment of the forearm?

a. lateral epicondyle
b. medial epicondyle
c. radial groove
d. ulnar tuberosity

A

b. medial epicondyle (common flexor tendon)

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10
Q

pronator teres, flexor carpi radialis, palmaris longus and flexor carpi ulnaris make up which group of the anterior forearm muscles?

a. deep
b. intermediate
c. superficial

A

c. superficial

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11
Q

pronator teres, palmaris longus and which two other muscles make up the superficial anterior forearm muscle group?

a. flexor carpi radialis and flexor carpi ulnaris
b. flexor digitorum profundus and flexor pollicis longus
c. flexor digitorum superficialis and pronator quadratus

A

a. flexor carpi radialis and flxor carpi ulnaris

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12
Q

flexor digitorum profundus, flexor policis longus and pronator quadratus make up which group of the anterior forearm?

a. intermediate
b. deep
c. superficial

A

b. deep

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13
Q

what group does flexor digitorum superficialis belong to?

a. deep
b. intermediate
c. superficial

A

b.intermediate

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14
Q

which superficial muscle inserts to the radius and pronates?

a. flexor carpi radialis
b. palmaris longus
c. pronator teres

A

c.pronator teres

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15
Q

which superficial muscle inserts to the 2nd metacarpal and flexes and abducts?

a. flexor carpi radialis
b. palmaris longus
c. pronator teres

A

a. flexor carpi radialis

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16
Q

which superficial muscle inserts to the
flexor retinaculum and palmar aponeurosis?

a. flexor carpi radialis
b. palmaris longus
c. pronator teres

A

b.palmaris longus

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17
Q

which superficial muscle inserts to the 5th metacarpal and flexes and adducts?

a. flexor carpi radialis
b. palmaris longus
c. pronator teres
d. flexor carpi ulnaris

A

d.flexor carpi ulnaris

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18
Q

the flexor digitorum superficialis arises from the ulna, radius and common flexor tendon. where does it insert?

a.middle phalynx of digits 2-5

b. radius
c. 2nd metacarpal
d. 5th metacarpal
e. palmar aponeurosis, flexor retinaculum

A

a. middle phalynx of digits 2-5

19
Q

all muscles of the superficial anterior forearm are innervated by the median nerve except?

a. flexor carpi radialis
b. flexor carpi ulnaris
c. flexor digitorum superificialis
d. palmas longus

A

b. flexor carpi ulnaris

20
Q

what nerve innervated the flexor digitorume superficialis?

a. axiallry
b. radial
c. ulnar
d. median

A

d.median

21
Q

what muscle flexes the wrist, metacarpophalangeal and proximal interphalangeal joints?

a. pronator quadratus
b. pronator teres
c. flexor digitorum suoerficialis
d. palmaris longus

A

c.flexor digitorum superficialis

22
Q

the lateral half of the flexor digitorum profundus is innervated by?

a. the median nerve
b. the ulnar nerve
c. axillary nerve
d. radial nerve

A

a. median nerve

23
Q

the medial half of the flexor digitorum profundus is innervated by?

a. the median nerve
b. the ulnar nerve
c. axillary nerve
d. radial nerve

A

b.ulnar nerve

24
Q

which branch of the median nerve innervates the flexor policis longus and pronator quadratus muscles?

a. proximal
b. lateral
c. spinal accesory
d. interosseus

A

d.interosseus

25
Q

what muscle inserts into the distal phalynx of digit 1 ?

a. pronator quadratus
b. flexor policis longus
c. palmaris longus

A

b. flexor policis longus

26
Q

what deep muscle arises from the radius and interosseus membrane?

a. flexor policis longus
b. pronator teres
c. flexor carpi radialis
d. palmaris longus

A

a. flexor policis longus

27
Q

what muscle flexer the wrist and the thumb joint?

a. flexor policis longus
b. pronator teres
c. flexor carpi radialis
d. palmaris longus

A

a. flexor policis longus

28
Q

what muscle innervated by the median nerve and inserting into the ulnar pronates the forearm?

a. flexor policis longus
b. pronator teres
c. flexor carpi radialis
d. pronator quadratus

A

d. pronator quadratus

29
Q

what makes up the deep border of the carpal tunnel?

a. flexor retinaculum
b. carpal arch
d. palmaris longus

A

b.carpal arch

30
Q

what structure makes up the superficial border of the carpal tunnel?

a. flexor retinaculum
b. interosseus membrane
c. carpal arch

A

a. flexor retinaculum

31
Q

4 tendons of which muscle make up the superior aspect of the carpal tunnel?

a. flexor digitorum profundus
b. flexor policis longus
c. flexor digitorum superficialis

A

c. flexor digitorum superficialis

32
Q

4 tendons of which muscle make up the inferior aspect of the carpal tunnel?

a. flexor digitorum profundus
b. flexor policis longus
c. flexor digitorum superficialis

A

a. flexor digitorume profundus

33
Q

1 tendon of which muscle make up the medial aspect of the carpal tunnel?

a. flexor digitorum profundus
b. flexor policis longus
c. flexor digitorum superficialis

A

b. flexor policis longus

34
Q

what nerve runs through the carpal tunnel?

a. radial
b. ulnar
c. median
d. axillary

A

c.median

35
Q

where does the ulnar nerve run for its entire course?

a. laterally
b. medially
c. posteriorly

A

b.medially

36
Q

which tow muscles is the ulnar nerve sandwhiched between after passing posteriorly to the medial epicondyle?

a. FDP and FCU
b. FCP PL
c. FDP FDS

A

A. FDP and FCU

37
Q

where dpes the ulnar nerve pass after supplying the medial half of the FDP ?

a. medial epicondyle
b. carpal tunnel
c. ulnar canal

A

c.ulnar canal

38
Q

which branch of the ulnar nerve supplies cutaneous and digital sensation to the medial 1.5 digits?

a. inferior
b. superior
c. superficial
d. deep

A

c.superficial

39
Q

after entering the cubital fossa what does the median nerve pass between?

a. the two heads of pronator teres
b. two heads of pronator quadratus
c. FDP and FCU

A

a. two heads of pronator teres

40
Q

the median nerve suplies all muscles of the forearm except?

a. FCU and medial half of FDP
b. FDP and medial half of FCU
c. FPL and medial half of FDP
d. FCR and medial half of FDP

A

a.FCU and medial half of FDP

41
Q

after passing betwen the two heads of pronator teres, running distally between FDP and FDS the median nerve passes through the carpal tunnel. What do the recurrent and superficial branches innervate?

a. lateral 2 lumbricals, thenar muscles
b. thenar muscles, lateral 2 lumbricals
c. medial 1.5 digits

A

b. thenar muscles and lateral 2 lumbricals

42
Q

which digits recieve palmar cutaneous innervation from the median nerve ?

a. medial 1.5 digits
b. lateral 3.5 digits
c. lateral 1.5 digits
d. medial 3.5 digits

A

b. lateral 3.5 digits

43
Q

what dermatome is the area supllied by the ulanr nerve?

a. c8
b. c7
c. c6

A

a.c8

44
Q

what dermatome is the palmar surface of the thumb ?

a. c8
b. c7
c. c6

A

c.c6

MSK 1 (23 decks)

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