Strokes

Question 1

Define a stroke

Answer 1

Rapid death of brain tissue due to disturbance in bloody supply

Question 2

Name the two types of stroke

Answer 2

Ischemic

Hemorrhagic

Question 3

What is ischemic

Answer 3

Loss of blood flow to brain tissue

Question 4

What is hemorrhagic

Answer 4

Bleeding onto brain or surface of brain

Question 5

Name the 2 pairs of arteries

Answer 5

Anterior supply consists of left and right carotid arteries

Posterior supply consists of left and right vertebral arteries

Question 6

What are the two vertebral arteries known as

Answer 6

Basilar artery

Question 7

What parts of the brain do the anterior and posterior supplies supply

Answer 7

Anterior supplies front and middle portions

Posterior supplies back portion and brainstem

Question 8

What other arteries are there

Answer 8

Anterior and posterior communicating arteries

Question 9

Where is a common site for aneurysms

Answer 9

Junction between anterior communicating and anterior cerebral

Question 10

What is the function of the communicating arteries

Answer 10

They allow for crossover flow to prevent damage to the brain when there is a disruption of flow to the brain

Question 11

What percentage of strokes are ischemic

Answer 11

80%

Question 12

What are the three types of ischemic

Answer 12

Thrombus
Embolism
Global loss of blood flow