pathology of head injury

Question 1

Skull fractures

linear

Answer 1

from blow or fall onto head

might go into skull might not

Question 2

skull fractures

depressed

Answer 2

focal impact that can push fragments into the skull

can damage meninges, blood vessels and the brain .

Question 3

communicated skull fracture

Answer 3

mosaic

Question 4

intracranial haemorrhage results in

Answer 4

increased ICP that compresses the brain (which causes symptoms like loss of consiousness)

Question 5

extradural haemorrhage occurs where?

Answer 5

between the dura mater and the skull

Question 6

extradural haemorrhage usually occurs from damage to what?

Answer 6

middle meningeal artery

Question 7

subdural haemorrhages are usually caused by

Answer 7

bridging veins

Question 8

berry aneurysm

Answer 8

rupture of the cerebral artery

Question 9

subarachnoid haemorrhage is bleeding

Answer 9

beneath the arachnoid membrane (above the brain)

Question 10

what does an EEG measure?

Answer 10

electrical activity in the brain

diagnoses epilepsy and states of altered consciousness

Question 11

myesthenia gravis is the decrease in effectiveness of the release of

Answer 11

ACh

Question 12

myesthenia gravis patients present with

Answer 12

weakness

fatigue

NORMAL sensation

Question 13

EEG

Answer 13

electroencephalogram

Question 14

EEGs can diagnose

Answer 14

epilepsy

sleep disorders

states of consciousness

encephalopathy

Question 15

EMG can diagnose

Answer 15

myesthenia gravis

Question 16

EMG

Answer 16

electromyography

Question 17

Routine EMG looks at what?

Answer 17

APs from whole motor units