Cervical and brachial plexus

Question 1

what nerves makeuo the cervical plexus

Answer 1

C1-C5

Question 2

where is the phrenic nerve situated

Answer 2

C3-C5

C4 - 70%

Question 3

what nerves make up the Brachial plexus

Answer 3

C5-T1

Question 4

Label

Answer 4

Question 5

interscalene is for what sx

Answer 5

Shoulder

Question 6

major complications with Supra and Infraclavicualr

Answer 6

Pneumothorax

Question 7

what block is most frequently used for lower arm / hand

Answer 7

Axillary

Question 8

Brachial Pleaxus:

what are all the divsions

Answer 8

Roots

trunks

Divisions

Cords

Branches (terminal)

Randy Travis Drinks Cold Beer

Question 9

label the divisions and all else blank

Answer 9

Question 10

another picture

Answer 10

Question 11

name the roots

Answer 11

C4

C5

C6

C7

C8

T1

Question 12

Name the trunks

Answer 12

Superior

Middle

Inferior

Question 13

name the divisions

Answer 13

3 ventral

3 dorsal

Question 14

Name the cords

Answer 14

Lateral

medial

Posterior

Question 15

name the branches (terminal)

Answer 15

rememebr MARMU

Musculocutaneous

Axillary

Radial

Median

Ulnar

Question 16

picture of all that

(notice the Dorsal divisions all sit on the posterior cords)

Answer 16

Question 17

another picture

Answer 17

Question 18

Label

Answer 18

Question 19

lable this

Answer 19

Question 20

Ultrasound:

what is the greatest advantage of US guided regional anesthestic

Answer 20

ability to see where the tip of the needle is in relation to anatomical structures

and see the spread of LA

Question 21

Ultrasound:

can allow the provider to use less what

Answer 21

LA

Question 22

Ultrasound:

can (increase or decrease) complications?

Answer 22

decrease

Question 23

Ultrasound:

what freq penetrate deeper? Low or high

Answer 23

Low

(like a long distance runner slow and goes further)

Question 24

Ultrasound:

what type of freq US probes are good for visualizing shallow lying structures less than 4 cm from the skin

Answer 24

High

Question 25

Ultrasound: what is the freq of high freq US probes

Answer 25

10-13 mHz

Question 26

Ultrasound: what freq US prob is good for visualizig deep structures

Answer 26

Low

Question 27

Ultrasound: what is the freq of Low freq US probes

Answer 27

2-5 MHz

Question 28

Ultrasound: if sound passess through it's called ______ and appears ______ on US machine? give ex of a structure

Answer 28

Anechoic (no echo) appears black liquid (LA)

Question 29

Ultrasound: if sound is almost entirely reflected it's called ______ and appears ______ on US machine? give ex of a structure

Answer 29

Hyperechoic bright white Bone

Question 30

Ultrasound: if sound is modestly reflectly it's called ______ and appears ______ on US machine?

Answer 30

Hypoechoic gray

Question 31

Ultrasound: how do you differentiate an artery from a vein

Answer 31

Atreries pulsate and are NOT compressible Veins are compressible

Question 32

Ultrasound: what approach affords full visualization of needle tip and shaft?

Answer 32

In-plane

Question 33

Ultrasound: what approach shows only the tip of the needle, no visualization of needle en route

Answer 33

out of plane

Question 34

Label Pronated Dermatomes

Answer 34

1. C8 2. C7 3. C6 4. C5 5. T1 6. C8

Question 35

LABEL SUPINATED DERMATOMES

Answer 35

1. C7 2. C6 3. C5 4. T1 5. C8

Question 36

label the nerve in the UE pronated

Answer 36

A) median B) Ulnar C) Radial D) median antebrachial cutaneous E) Musculocutaneous F) axillary G) Supraclavicular H) Intercostobrachial

Question 37

Label the nerve in the UE Supinated

Answer 37

A) median B) Ulnar C) Radial D) median antebrachial cutaneous E) Musculocutaneous F) axillary G) Supraclavicular H) Intercostobrachial

Question 38

what nerve

Answer 38

Median

Question 39

what nerve

Answer 39

ulnar

Question 40

what nerve

Answer 40

radial

Question 41

Characteristics of movement of fingers, wrist, and elbow in response to stimulation: What uis unique about the radial nerve

Answer 41

only one with extension Causes extension of elbow

Question 42

which nerve causes this with stimulation: Supination of forearm

Answer 42

Radial

Question 43

which nerve causes this with stimulation: pronation of forearm

Answer 43

Median

Question 44

which nerve causes this with stimulation: flexion of wrist

Answer 44

ulnar and median

Question 45

which nerve causes this with stimulation: flexion of elbow

Answer 45

musculocutaneous

Question 46

which nerve causes this with stimulation: extension of wrist and fingers

Answer 46

radial Again only one that causes extension

Question 47

what type of block is a good adjunct to shoulder surgery (not interscalene)

Answer 47

Cervical plexus block

Question 48

just a fact to remember.

Answer 48

Both cervical plexus and intercostal blocks have multiple injection sites or levels

Question 49

what is a complication of cervical plexus block

Answer 49

Horner's syndrome

Question 50

S/S of horner's sysndrome

Answer 50

ipsilateral ptosis miosis facial and arm flushing anhydrosis nasal congestion

Question 51

cervical plexus block: inject __ to __ mLs of LA per level you wish to block

Answer 51

3-5 mL Remember 4 mL (C1-C4) Cervical plexus only consist of C1-C4