A. Organise the items below fromsuperficial to deep. Give a structural description foreach.

On a night out with friends at the viaduct, james has too muchto drink. He loses his balance and falls, hitting his head on theconcrete floor. He is assessed by a paramedic for a possibleconcussion. Assume normal physiology and anatomy in addressing thespecific questions below.

A. Organisethe items below from superficial to deep. Give a structuraldescription for each.

Pia mater, skull, arachnoid mater,subarachnoid space, dura mater (meningeal layer), dura mater(periosteal layer)

1.

2.

3.

4.

5.

6.

Deepest

1. The cerebrospinal fluid is one of the most important componentsin protecting the central nervous system. Without it, James couldhave badly damaged his brain. Describe the anatomicalstructures and locations that produce and remove cerebrospinalfluid from the central nervous system.  

LO3 (word limit for this section: 250)

James fell because he had too much alcohol to drink.

A. Describe the structure of the bloodbrain barrier and explain how it is supposed to protect thebrain.

B. Why did the blood brain barrier notsuccessfully prevent the alcohol from entering into James'sbrain?

  

C. What major regions of James's brainwould you expect to have been affected by the alcohol to influencehis somatic motor function?