Episode notes
🧠 High-Yield Neurology Study Guide (RN Prep)
1️⃣ Neuron Basics & Injury Patterns
- Neurons: Excitable cells that transmit impulses via action potentials & neurotransmitters.
- Glial cells: Support neurons. 🧩 Astrocytes form scar tissue; Oligodendrocytes (CNS) + Schwann cells (PNS)make myelin.
- UMN Lesions: Weakness, spasticity, hyperreflexia, ↑ tone. (Think: stroke, SCI.)
- LMN Lesions: Flaccid paralysis, atrophy, fasciculations, ↓ reflexes. (Think: Guillain-Barré, spinal root injury.)
2️⃣ Neuro Protection & Fluid
- Meninges: Dura → Arachnoid → ...
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