Exam 1- Fractures

Question 1

If a skull fracture is suspected what imaging do we use

Answer 1

CT

Question 2

What is the most common skull fracture

Answer 2

Linear skull fractures

Question 3

A Tripod fracture involves the separation of what bone from the rest in the skull

Answer 3

Zygomatic bone

Question 4

Le fort fractures involve the

Answer 4

Maxillary bone in a bilateral , horizontal or pyramidal way

Classic in facial trauma

Question 5

What has a better prognosis chronic or acute subdural hematoma

Answer 5

Chronic have better prognosis!

Question 6

What is the shape against the brain a subdural hematoma makes

Answer 6

CONVEX in shape

Question 7

Around ________ % of epidural hematomas are fatal

Answer 7

15-20%

Question 8

What is the shape against the brain that a epidural/extradural hematoma makes

Answer 8

Concave in shape

Question 9

Hyperflexion injuries are

Answer 9

Simple wedge (compression) fracture 
Bilateral interfacetal dislocation
Flexion tear drop
Clay shovelers
Anterior subluxation
Dens fracture

Question 10

What fracture can result in paralysis normally

Answer 10

Flexion teardrop

Question 11

Hyperflexion and rotation injury results in

Answer 11

Unilateral interfacetal dislocation

Unilateral interfacetal fracture

Question 12

Hyperextension fracture are

Answer 12

Lamina fx
Dens fx
Hangmans fx
Posterior arch fx of C1
Avulsion of anterior tubercle

Question 13

Hyperextension and rotation results in

Answer 13

Pillar fracture

Pedicolaminar fx

Question 14

What is a Jefferson fracture?

Answer 14

Vertical compression forces
Axial load

Bursting fracture of the lower cervical spine

Question 15

Lateral flexion results in

Answer 15

Unilateral fx, lateral mass of C1

Transverse process fx

Uncinate process fx

Question 16

MC places for fractures

Answer 16

C1-C2, C5-C7, T12-L1

Question 17

What is a Davis series

Answer 17

7 view cervical spine series
24-48 hrs= traumatic

Non traumatic after 24-48 hrs

Question 18

What is the rule of the Davis series

Answer 18

Expose and Process and exam ONE FILM AT A TIME!!!!!!!!

Question 19

What shots are involved in the Davis series

Answer 19

Lateral
APOM
AP cervical
Lt and Rt obliques
Flexion and extension
Swimmers

Question 20

How man columns must be damage to make it an unstable fracture

Answer 20

2 columns

Question 21

What is the prevertebral space of C2

Answer 21

No more than 7 mm

Question 22

Prevertebral space at C3,C4

Answer 22

No more than 5 mm

Question 23

Prevertebral space at C6 should be

Answer 23

Adult no more than 22

Children younger than 15yrs old no more than 14mm

Question 24

How do we check the alignment of vertebrae

Answer 24

Anterior contour line

Posterior contour line

Spinolaminar line