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