Upper extremity blocks

Question 1

Identify the corresponding nerve roots for the musculocutaneous nerve

Answer 1

C5-c7

Question 2

Identify the corresponding nerve roots for the axillary nerve

Answer 2

C5-C6

Question 3

Identify the corresponding nerve roots for the median nerve

Answer 3

C5-T1

Question 4

Identify the corresponding nerve roots for the radial nerve

Answer 4

C5-T1

Question 5

Identify the corresponding nerve roots for the ulnar nerve

Answer 5

C8-T1

Question 6

Identify the corresponding cords for the musculocutaneous nerve

Answer 6

Lateral cord

Question 7

Identify the corresponding cords for the axillary nerve

Answer 7

Posterior cord

Question 8

Identify the corresponding cords for the radial nerve

Answer 8

Posterior cord

Question 9

Identify the corresponding cords for the median nerve

Answer 9

Lateral & medial

Question 10

Identify the corresponding cords for the ulnar nerve

Answer 10

Medial cord

Question 11

The supraclavicular nerve comes off the _ nerve root

Answer 11

C5

Question 12

The dorsal scapular nerve comes off the _ nerve root

Answer 12

C3-4

Question 13

The intercostobrachialis nerve comes off the _ nerve root

Answer 13

T2

Question 14

The long thoracic nerve comes off the _ nerve root

Answer 14

C5-7

Question 15

The non terminal supraclavicular nerve branches of the brachial plexus include

Answer 15

Dorsal scapular nerve
Suprascapular nerve
Long thoracic nerve

Question 16

The dorsal scapular nerve innervates the

Answer 16

Levator scapula and rhomboid muscles

Question 17

The suprascapular nerve innervates the

Answer 17

Supraspinitus and infraspinitus muscles

Question 18

The brachial plexus provides__________ innervates be to the _______

Answer 18

Sensory & motor; shoulder and upper extremity

Question 19

The brachial plexus originates from the

Answer 19

Ventral rami of cervical nerve roots C5-T1

Question 20

The five terminal branches of the brachial plexus

Answer 20

Musculocutaneous, axillary, ulnar, median, radial
“Most Athletes Must Really Unite”

Question 21

The phrenic nerve receives contribution from

Answer 21

C5

Question 22

The suprascapular nerve arises from the

Answer 22

Cervical plexus

Question 23

A field block may be required to block the ______ for upper extremity procedures. It can also be used for an upper arm tourniquet in an awake patient.

Answer 23

Intercostobrachialis

Question 24

The dorsal scapular nerve innervates the

Answer 24

Levator scapula and rhomboid muscles

Question 25

The long thoracic nerve innervates the

Answer 25

Serratus anterior muscles

Question 26

The suprascapular nerve innervates the

Answer 26

Supraspinous and infraspinatus muscles as well as the posterior glenohumerous joint, subacromial bursa, acromioclavicular joint

Question 27

The lateral pectoral nerve innervates the

Answer 27

Pectoral is major muscle and the acromioclavicular joint

Question 28

The medial pectoral nerve innervates the

Answer 28

Pectoral is minor and the lower region of the pectoral is major muscles

Question 29

The phrenic nerve originates from the

Answer 29

Anterior rami of C3-C5

Question 30

Some approaches to the brachial plexus cause

Answer 30

Hemidiaphragmatic paralysis

Question 31

The supraclavicular nerve provides sensory innervation to the

Answer 31

“Cape of the shoulder”

Question 32

The supraclavicular nerve is best anesthetized with a

Answer 32

Superficial cervical plexus block

Question 33

Blocking the supraclavicular nerve should be performed for

Answer 33

Clavicular fracture or carotid endarterectomy

Question 34

Describe how to perform an intercostobrachial nerve block.

Answer 34

With the arm abducted and externally rotated, begun at the deltoid prominence and move inferiorly towards the triceps. 5 mL is sufficient

Question 35

A _______ describes the muscle innervated by the ventral (motor) spinal nerve roots.

Answer 35

Myotome

Question 36

A ______ describes bones and joints innervated by the dorsal (sensory) nerve roots.

Answer 36

Osteotome

Question 37

Describe the mnemonic for the clinical assessment of a brachial plexus block

Answer 37

Push’eR, Pull’eM, Pinch’eM, Pinch’U

Question 38

Describe Push’eR

Answer 38

Elbow extension against resistance (triceps contraction)—> radial nerve

Question 39

Describe Pull’eM.

Answer 39

Elbow flexion against resistance (biceps contraction)—>musculoutaneous nerve

Question 40

Describe Pinch Me.

Answer 40

Pinch index finger__> median nerve

Question 41

Describe Pinch U.

Answer 41

Pinch pinky finger —> ulnar nerve

Question 42

The C4 dermatome innervates the

Answer 42

Superior aspect of the shoulder

Question 43

The C6 dermatome innervates the

Answer 43

Lateral shoulder

Question 44

The C7 dermatome innervates the

Answer 44

3rd digit

Question 45

The C8 dermatome innervates the

Answer 45

5th digit

Question 46

The T1 dermatome innervates the

Answer 46

Medial aspect of the arm

Question 47

The T2 dermatome innervates the

Answer 47

Axilla

Question 48

Describe the motor function of the axillary nerve.

Answer 48

Shoulder aBdution (deltoid contraction)

Question 49

Describe the motor function of the musculocutaneous nerve.

Answer 49

Elbow flexion (biceps contraction), forearm supination (Palm faces upward)

Question 50

Describe the motor function of the radial nerve

Answer 50

Elbow extension (triceps contraction) Wrist extension Finger extension Thumb abduction

Question 51

Describe the motor function of the median nerve.

Answer 51

Forearm pronation (palm faces downwards), finger flexion (first 3.5 digits), thumb opposition (brings thumb to contact a finger)