IUPA running thread Flashcards
1
Q
difference between ischaemic stroke and TIA
A
TIA - temporary reduction in blood flow to part of the brain
- ischaemia with no infarction
- no lasting effects
Stroke - reduction in blood flow to the brain resulting in ischaemia and infarction
- lasting effects and is very severe
2
Q
where does the nasopharynx start and end?
A
base of skull to soft palate
3
Q
forehead muscle
clinical rel?
A
occipitofrontalis
forehead sparred in stroke
4
Q
why is forehead sparred in stroke
A
facial nerve receives dual cortical supply to upper half of face from both sides of hemisphere (NOT to do with blood supply)
- occipitofrontalis innervated
5
Q
why is forehead NOT sparred in facial nerve palsy
A
the lesion is after the nerve exits the brain stem therefore all of the nerve is affected despite its dual input
