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1. a. List the contents of the subdural space,

subarachnoid space, and dura mater.

b. Describe the specific location, and list the

functions of each of the following: auditory

association area, prefrontal area, Broca area,

cerebellum, RAS.

c. Using Table 14.2, Table 14.3, or Fig. 14.3,

describe the effects of damage to each area of

the brain.

2. Draw a simple line diagram of the circle of Willis

at the base of the brain by doing the following:

a. Draw a line to show the division between the

two hemispheres and label the top “frontal”

and the bottom “occipital.”

b. In the lower half of the drawing, show the

basilar artery dividing into two posterior

cerebral arteries, and extend each down and to

the side to the occipital lobes.

c. Midway on the line and on either side of it,

draw a circle showing each carotid artery.

d. Draw two branches from each carotid: one

extending upward toward the frontal lobe

and one outward and away from your central

line.

e. Label the arteries you have drawn.

f. Add the communicating arteries to complete

the circle, and label them.

3. a. Explain why the circle of Willis is important in

the cerebral circulation.

b. Predict the effects of obstruction of the left

middle cerebral artery.

c. Explain why a constant supply of oxygen and

glucose to the brain is necessary.

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HEALTH SCIENCE
NURSING
NURSING 2184- PATH