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Questions and Answers
What is the main function of the dural sinuses?
What is the main function of the dural sinuses?
- To receive blood from the brain and cerebrospinal fluid from the subarachnoid space (correct)
- To maintain muscular tissue in the skull
- To regulate the flow of cerebrospinal fluid
- To pump blood to the brain
What is unique about the walls of the dural sinuses?
What is unique about the walls of the dural sinuses?
- They are similar to arteries in structure
- They are thin and elastic
- They are thick but lack muscular tissue (correct)
- They contain valves for regulating blood flow
Where does the superior sagittal sinus end posteriorly?
Where does the superior sagittal sinus end posteriorly?
- In the right sigmoid sinus
- In the left transverse sinus
- In the straight sinus
- In the right transverse sinus (correct)
How do scalp infections potentially lead to meningitis in some cases?
How do scalp infections potentially lead to meningitis in some cases?
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Which sinus is formed by the junction of the great cerebral vein of Galen with the inferior sagittal sinus?
Which sinus is formed by the junction of the great cerebral vein of Galen with the inferior sagittal sinus?
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Where do the transverse sinuses commence?
Where do the transverse sinuses commence?
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