The meninges, which cover the brain and spinal cord, include the dura mater, arachnoid, and pia mater. A student nurse is preparing a chart for a postclinical conference on the meninges
Based on this information, what should the student nurse include in the chart on the pia mater?
1 . Tough fibrous covering that adheres to the bones of the skull
2 . Middle layer of a delicate web of tissue
3 . Lies closely over the brain and spinal cord
4 . Contains many blood vessels that bring oxygen and nutrients to the nervous tissue
A) 1, 3
B) 1, 4
C) 2, 4
D) 3, 4
D
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The pia mater, the inner layer, lies closely over the brain and spinal cord. It is thin and vascular, containing many blood vessels that bring oxygen and nutrients to the nervous tissue. The dura mater, the outer layer, is a tough fibrous covering that adheres to the bones of the skull. The middle layer is a delicate web of tissue called the arachnoid membrane.
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