Head Part 2

Question 1

Brain is supplied by two sets of arteries called

Answer 1

Vertebral arteries

Internal carotid arteries

Question 2

Between the vertebral and internal carotid arteries, which are more anterior

Answer 2

Internal carotid arteries

Question 3

What is the circle of willis

Answer 3

Is an anastomotic system of arteries that sits at the base of the brain and supplies blood to the brain and surrounding structures

Question 4

The structure of the circle of willis allows for

Answer 4

Preservation of brain tissue

Should a blockage occur in one area, the blood can move around the circle and supply the same area from a different direction

Question 5

The venous vessels/ chanels are located in between

Answer 5

The endosteum layer and meningeal layer of the dura mater

Question 6

Dural venous sinuses recieves blood from the ____ in the brain but dont run alongside the ______

Answer 6

Veins

Arteries

Question 7

Dural venous sinuses receive CFS from

Answer 7

Arachnoid villi in the subarachnoid space

Question 8

Dural venous sinuses drain mainly into

Answer 8

Internal jugular vein