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Lab 08 Quiz
| Question | Answer |
|---|---|
| What are the two main types divisions of the nervous system? | central and peripheral |
| What is included in the central nervous system? | the brain and spinal cord |
| What is included in the peripheral nervous system? | the cranial and spinal nerves |
| What are the two divisions of the peripheral nervous system? | afferent and efferent |
| Where is the afferent nervous system directed? | into the body (central nervous system) through receptors |
| Where is the efferent nervous system directed? | out of the central nervous system to the body |
| What are the divisions of the efferent nervous system? | autonomic and somatic |
| What does the somatic nervous system contain? | skeletal muscle |
| What does the autonomic nervous system contain? | smooth muscle, cardiac muscle, and glands |
| What are neurons? | the functional units of the nervous system |
| What are neuroglia? | the helper cells |
| What are the four neuroglia in the central nervous system? | astrocytes, oligodendrocytes, microglia, and ependymal cells |
| What are the two neuroglia in the peripheral nervous system? | Schwann and satellite cells |
| Describe astrocytes. | star-shaped cells, perivascular feet wrap around blood vessels and neurons, function as "anchors", responsible for formation of the blood-brain barrier |
| Describe oligodendrocytes. | support the CNS, processes form myelin sheaths |
| Describe microglia. | phagocytes that remove debris, necrotic tissue, and pathogens |
| Describe ependymal cells. | line the ventricles of the brain and central canal of the spinal cord, produce cerebrospinal fluid (CSF), cilia move CSF through ventricles |
| Describe Schwann cells. | flat cells that come together with other Schwann cells to form myelin sheaths |
| Describe satellite cells. | support sensory neurons and regulate the chemical environment |
| What are neuroglia? | the helper cells |
| What are the four neuroglia in the central nervous system? | astrocytes, oligodendrocytes, microglia, and ependymal cells |
| What are the two neuroglia in the peripheral nervous system? | Schwann and satellite cells |
| Describe astrocytes. | star-shaped cells, perivascular feet wrap around blood vessels and neurons, function as "anchors", responsible for formation of the blood-brain barrier |
| Describe oligodendrocytes. | support the CNS, processes form myelin sheaths |
| Describe microglia. | phagocytes that remove debris, necrotic tissue, and pathogens |
| Describe ependymal cells. | line the ventricles of the brain and central canal of the spinal cord, produce cerebrospinal fluid (CSF), cilia move CSF through ventricles |
| Describe Schwann cells. | flat cells that come together with other Schwann cells to form myelin sheaths |
| Describe satellite cells. | support sensory neurons and regulate the chemical environment |
Created by:
sillandr
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