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Flashcards in Central nervous system Deck (27)
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1
Q

What happens when the volume of tissue or fluid inside the skull increases?

A

The intracranial pressure rises

2
Q

What is herniation?

A

Where a part of the brain moves from one compartment of the skull to another

3
Q

Which area of the brain is mostly responsible for speech? Where is it located?

A

Broca’s area in the frontal lobe

4
Q

Which area of the brain is responsible for processing speech and comprehending written and spoken language? Where is it located?

A

Wernicke’s area in the temporal lobe

5
Q

What are focal neurological signs?

A

Signs or symptoms where the cause can be localised to an anatomic site in the CNS

6
Q

Anosmia, inappropriate emotions,expressive dysphasia and motor impairment are examples of focal neurological signs in…

A

The frontal lobe

7
Q

Receptive dysphasia and sensory impairment are examples of focal neurological signs in..

A

The parietal lobe

8
Q

Cortical deafness and receptive dysphasia are examples of focal neurological signs in…

A

The temporal lobe

9
Q

Assess consciousness with AVPU what does AVPU stand for?

A

Alert
Voice
Pain
Unresponsive

10
Q

How many in the UK have a stroke per year?

A

130,000

11
Q

FAST signs of stroke

A

Facial drooping
Arm weakness or numbness
Speech slurring
Time

12
Q

Transient Ischaemic Attack (TIA) usually resolves itself within…

A

24 hours

13
Q

Treatments for transient ischaemic attack

A

Antiplatelet therapy - aspirin/clopidogrel

Controlling BP and lowering cholesterol

14
Q

What are the 2 main pathological types of stroke?

A

Ischaemic and haemorrhagic

15
Q

Risk factors for stroke

A
Hypertension
Diabetes
Heart disease
TIA 
Hyperlipidaemia
16
Q

Causes of stroke

A

Hypoxia of the brain and bleeds in the brain

17
Q

Causes of haemorrhagic events

A

Hypertension, vascular malfomation, neoplasia, trauma, substance abuse.

18
Q

Intracerebral haemorrhage usually originates from

A

Arterial

19
Q

What percentage of subarachnoid haemorrhage is caused by the rupture of saccular aneurysms

A

80%

20
Q

How many in the UK are affected by dementia

A

80,000

21
Q

Cholinesterase inhibitors like rivastigmine are used to treat…

A

Dementia/alzheimers

22
Q

Sodium valproate, carbamazepine, phenytoin and lamotragine are drugs used in the management of…

A

Epilepsy

23
Q

3 Types of meningitis

A

Bacterial, fungal and viral

24
Q

Bacteria that cause meningitis

A

Neisseria meningitidis
Pneumococcus
Meningococcus

25
Q

Early presentations of meningitis

A

Headache
Cold hands and feet
Pyrexia

26
Q

Late presentations of meningitis

A

Neck stiffness
Sensitivity to light
NB rash
Seizures

27
Q

Parkinsons affects

A

1 in 1000