Week 5

Question 1

Structures of the brain that the Vertebral arteries supply

Answer 1

Arise from subclavian arteries. Continues along the ventrolateral surface of the medulla

Question 2

Structures of the brain that the Basilar artery supply

Answer 2

Midline of the pons

Question 3

Structures of the brain that the Middle cerebral artery supply

Answer 3

Entire lateral surface of cerebral hemisphere, primary motor cortex, Broca’s area

Question 4

Structures of the brain that the Anterior cerebral artery supply

Answer 4

Front & medial cortical surfaces of frontal and parietal lobe

Question 5

Structures of the brain that the posterior cerebral artery supply

Answer 5

Anterior & inferior temporal lobe & medial occipital lobe

Question 6

Define stroke and the 3 different types

Answer 6

An insult to the CNS on a primary vascular basis. Transient ischemic stroke, haemorrhagic & Ischemic

Question 7

Define Ischemic stroke

Answer 7

Blood supply is interrupted and brain tissue is subsequently deprived of oxygen

Question 8

Define Haemorrhagic stroke

Answer 8

Release of blood flow into the brain & spaces within cranium causing pressure on brain tissue

Question 9

Define transient ischemic stroke

Answer 9

Temporary/brief local cerebral event which does not lead to permanent damage due to temporary blockage in brain vessel