PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A patient sustains a fall while getting out of the shower. Tests reveal damage to the inner most meningeal layer. What structure was damaged?
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Arachnoid
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Dura mater
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Pia mater
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Ventricles
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Explanation:
Detailed explanation-1: -There are three layers from superficial to deep the: dura mater; arachnoid mater; pia mater. Each layer of the meninges serves a vital role in maintenance and function of the central nervous system.
Detailed explanation-2: -Dura Mater The outermost mater of the meninges, the dura, is composed of two layers: the periosteal layer that lies closest to the calvarium and the meningeal layer that lies closest to the brain tissue. These together contribute to the dura being a thick, dense, fibrous membrane that is quite inelastic.
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