Neuroglial cells in the peripheral nervous system composed of myelin that are wound tightly around axons to provide an insulating layer are called 8 Dendrites Astrocytes Microglial cells O Schwann cells
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- Neuroglia or glial cell that produce myelin around axons of the central nervous system are known asWhat type of neurons, based on function, are multipolar neurons that conduct impulses within the central nervous system (CNS)? O Afferent neurons O Bipolar neurons O Sensory neurons O Unipolar neurons O InterneuronsWhich of the following cell types would contain an axon? O neuron O neuroglia O fibrocyte O osteocyte
- Which type of neuron, based on its shape, is bestsuited for relaying information directly from one neuron toanother? Explain why.What type of glial cell is most important for the formation of the blood brain barrier? astrocytes microglia O ependymal cells O oligodendrocytesMr. Harrison is an 82-year-old bedridden gentleman who has discovered a new interest in learning about his body. While being tended by the visiting nurse, he remarks that the supporting cells in nervous tissue (such as Schwann cells and oligodendrocytes) act like the rubber coating around household wiring. What does he mean by this analogy?
- A nerve impulse travels faster in small myelinated fibers large myelinated fibers large unmyelinated fibers small unmyelinated fibers SOOODamage to the axons in the spinal cord is typically permanent and debilitating. One promising avenue of treatment is transplanting certain cells into the spinal cord after injury. Which cell type is the best choice to help repair a severed axon? O a. Microglia O b. Inhibitory neurons Oc. Astrocytes O d. Schwann cells O e. Excitatory neurons O f. Oligodendrocytesare the cells of the nervous system which remove nervous tissue that is no longer functional. OEpendymal cells Oligodendrocytes Microglial cells Astrocytes
- Neuron cells are a uniquely specialized type of cell. The following diagram illustrates the special structures of a neuron cell. Use the dropdown menus to label the structures where indicated. What are labels 1-6? options: axon terminals, nucleus, myelin sheath, dendrites, cell body, axon. 1. 2. 3. 4. 5. 6.The Purkinje cell is an example of this type of neuron. sensory neuron pyramidal neuron Oprincipal neuron Obipolar neuronWhich statement(s) regarding ions is true when a neuron is at rest? Positively charged cations are attracted to the intracellular fluid Positively charged anions are attracted to the intracellular fluid Negatively charged anions are drawn to the intracellular fluid Negatively charged anions are balanced across the cell membrane