IOTA 14

Question 1

What are the meningis?

Answer 1

Dura

Arachnoid

Pia

Question 2

What is the dura mater of the meningis?

Answer 2

Covers posterior cranial fossa

Also called tentorium cerebelli

Covers cerebellum and brain stem (midbrain)

Question 3

Which area of the brain is responsible for the posterior circulatory brain?

Answer 3

Cranial posterior fossa

Question 4

What is the middle cranial fossa?

Answer 4

Includes temporal lobe

Question 5

What is the anterior cranial fossa?

Answer 5

Includes frontal lobe and olfactory lobes

Question 6

What is the posterior fossa?

Answer 6

Includes cerebellum and brain stem

Question 7

What is the dura mater?

Answer 7

Tough meningi

Question 8

What are the meningis of the brain called?

Answer 8

Pia -innermost
Arachnoid -intermediate
Dura-outermost

Question 9

What are Trabeculae?

Answer 9

Found in subarachnoid space

Question 10

Where is the subarachnoid space located?

Answer 10

Between pia layer of meningis and arachnoid layer

Question 11

What arteries bring oxygenated blood to the brain?

Answer 11

Basilar arteries- travel in subarachnoid space

Question 12

Large subarachnoid spaces are called?

Answer 12

Cisterne

Question 13

What is the mean arterial pressure of the basilar arteries/

Answer 13

100ml/mercury

Question 14

What are the spaces in the brain called?

Answer 14

Ventricles

Question 15

What is contained in ventricles?

Answer 15

CSF- cerebrospinal fluid

Question 16

What are the barriers in the brain due to?

Answer 16

Barriers are due tonight junctions between epithelial cells

Question 17

The CSF travels from?

Answer 17

High pressure to low pressure

Question 18

CSF is made where?

Answer 18

In the ventricles from arterial blood

IT is removed from the subarachnoid space into the venous Sinuses

Question 19

What are the layers of the dura mater?

Answer 19

Periosteal layer

Meningeal layer