Ross - C-spine

Question 1

C2/3 dermatome

Answer 1

back of head

Question 2

C4 dermatome

Answer 2

cervical cape

Question 3

C 6-8 dermatomes

Answer 3

hand nerves

Question 4

T4/T5 dermatome

Answer 4

nipple line

Question 5

T10 dermatome

Answer 5

umbilicus

Question 6

__ root innervates the deltoids from the __ cord and __ nerve

Answer 6

C5
posterior
axillary

Question 7

__ root innervates the biceps from __ cord
and __ nerve

Answer 7

C6
lateral
musculocutaneous

Question 8

__ root innervates the triceps from __ cord
and __ nerve

Answer 8

C7
posterior
radial

Question 9

__ root innervates the wrist and digit flexors from the __ cord
and the __ nerve

Answer 9

C8
lat/medial cord
median

Question 10

__ root innervates the finger abductors from __ cord
and __ nerve

Answer 10

T1
lat/medial cord
median

Question 11

what root control the quad/patellar reflex

Answer 11

L3/L4

Question 12

what root controls the ankle plantarflex

Answer 12

S1 (L5-S2)

Question 13

what trauma pt’s need full spinal immobilization w. c-collar and a backboard

Answer 13

midline tenderness of c-spine dec

decreased mental status or unable to communicate

Question 14

patients who have c spine tenderness but are not altered and not no neurological deficits…and can communicate can

Answer 14

just be placed in a collar

Question 15

patients who can just be placed in a collar can __

or __ for evaluation

Answer 15

sit

lie down

Question 16

what is NEXUS criteria used for

Answer 16

to determine what c-spine pt’s need imaging

Question 17

what is the criteria for clearing c-spine

Answer 17

pt’s who are:

alert to person, place, location

normal neuro exam

no midline tenderness

no distracting injuries

Question 18

pt’s who do not pass NEXUS criteria need

Answer 18

c-spine stabilization

xray or CT

Question 19

you stabilize the c-spine with

Answer 19

collar

OR

full spinal precaution: collar + backboard

PLUS

xray or CT

Question 20

how do you clear the c-spine

Answer 20

open collar

palpate spinal process

if no pain → ask pt to move head left/right and up/down

roll the pt and palpate low back

Question 21

do you help pt w. maneuvers needed to clear c-spine

Answer 21

no

Question 22

a fx in one location is a __% risk for fx in another location

Answer 22

10

Question 23

if a pt is drunk, can you remove the collar before imaging

Answer 23

no!

Question 24

c-spine imaging involves __ views

Answer 24

3

Question 25

what 3 views does c-spine imaging include

Answer 25

A/P

lateral

odontoid

Question 26

what is an adequate c-spine film

Answer 26

base of skull to top of T1

Question 27

what are the 4 imaging alignments

Answer 27

1. anterior vertebral line
2. posterior vertebral line
3. spinolaminar line
4. posterior process line

Question 28

what are you evaluating on c-spine bone imaging

Answer 28

cortical lines around each vertebrae

C1 ring and odontoid bone

esp open mouth view

Question 29

what are you evaluating on cartilage and ligament imaging

Answer 29

proper lordosis

Question 30

for adults, what is a nl pre-dentase, retropharyngeal, and retro-tracheal space

Answer 30

pre-dentase: 3 mm or less

retropharyngeal: 6 mm

retro-tracheal 22 mm

Question 31

retropharyngeal is measured at

Answer 31

C2

Question 32

retro-tracheal space is measured at

Answer 32

C6

Question 33

what are unstable fx

Answer 33

atlanto-occipital

jefferson

odontoid

hangmans

flexion teardrop

Question 34

what is a jefferson fx

Answer 34

burst of C1 ring

Question 35

what vertebrae does a hangman’s fx involve

Answer 35

C2

Question 36

what are chance fractures

Answer 36

unstable lumbar spine fx

Question 37

what typically causes chance fractures

Answer 37

mva