Head Trauma

Question 1

Head injury can cause what?

Answer 1

Skull fracture

Parenchymal and vascular injury

Question 2

With fast moving projectiles there is a classical sign due to the field of Low pressure

Answer 2

Cavitation (small bubbles appearing at low pressure)

Question 3

With blunt injury the smaller the contact time the larger the force TRUE/FALSE

Answer 3

TRUE

Question 4

What are the 3 types of skull fracture

Answer 4

Linear
Compound
Depressed

Question 5

Contra-coup injuries are often worse than coup TRUE/FALSE

Answer 5

TRUE

Question 6

Why does diffuse axonal injury occur?

Answer 6

Because of shearing strains

Question 7

Primary injuries can be reversible TRUE/FALSE

Answer 7

FALSE
Primary injury- injury to neurones, irreversible, preventative measures
Secondary injury- Potentially treatable

Question 8

Where are most intracranial haematomas?

Answer 8

Unilateral Intradural supratentorial

Question 9

What are some secondary injuries of head trauma?

Answer 9

Intracranial haematoma
Reduced cerebral blood flow
Hypoxic brain damage
Excitotoxicity
Oedema
Raised ICP
Infection

Question 10

What is excitotoxicity?

Answer 10

Neuronal death process induced by the massive release of glutamate