Clinical Neuroscience: Exam 2 Questions
and Correct Answers/ Latest Update /
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What structures make up the scalp?
Ans: Skin
Subcutaneous connections
Galea Aponeurosis
Loose area connective tissue
Pericranium
What is the purpose of the scalp?
Ans: Protect brain from outside forces
Even though the skull provides a strong barrier to protect the brain.
What acts as a secondary line of defense over the brain?
Ans: Meningies
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The meninges cover both brain and spinal cord forming a tight seal
with three membrane structure. What are those 3 membranes?
Ans: Dura mater
Arachnoid mater
Pia mater
What is the most outermost layer of the meninges? It is also the
thickest and toughest membrane.
Ans: Dura mater
List the layers of the meninges from the innermost layer to the
outermost layer
Ans: Pia mater
Arachnoid mater
Dura mater
What layer of meninges is perforated to allow cranial nerves and blood
vessels to pass through?
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Ans: Dura mater
What function does the dura mater has, because it is a perforated
layer?
Ans: Allows cranial nerves and blood vessels to pass thou gh
What are the 2 layers of the outmost layer, the dura mater?
Ans: Periosteal layer
Meningeal layer
Where does the spinal dura meet with the meningeal layer?
Ans: Foramen magnum
Separations of the dura membranes create what?
Ans: Sinuses
Sinuses are separations of the dura membranes. Why are they
important?
Ans: Venous drainage system functions
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What is a fold in the dura?
Ans: Septums
Septums are dura folds in a few places that have what function?
Ans: Separates brain structures
What is the function of the fold of dura in the longitudinal fissure?
What is this structure called?
Ans: Falx Cerebri
Seperates the right and left hemispheres
What are the 2 main folds of dura in the brain?
Ans: Falx Cerebri
Tentorium cerebelli
What is the falx cerebri?
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