Advanced Oncology Certified Nurse Practitioner (AOCNP) Certification Practice Test

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What is one potential consequence of continued spinal cord compression?

  1. Rapid cell division

  2. Increased blood supply

  3. Ischemia and loss of myelin sheath

  4. Direct tumor growth into nerves

The correct answer is: Ischemia and loss of myelin sheath

Continued spinal cord compression can lead to ischemia and loss of the myelin sheath due to the impaired blood flow and cellular oxygenation in the affected area. When the spinal cord is compressed, the vascular supply may be compromised, which disrupts the delivery of oxygen and nutrients essential for nerve health. This ischemic condition can then lead to demyelination, where the insulating myelin sheath around nerve fibers deteriorates. Demyelination can result in further neurological deficits, as the transmission of nerve impulses becomes less efficient. Understanding these consequences is vital for managing patients with spinal cord compression, as prompt intervention can mitigate long-term neurological damage.

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