Podcast
Questions and Answers
Which part of the nervous system includes the brain and spinal cord?
Which part of the nervous system includes the brain and spinal cord?
- Sensory nervous system
- Central nervous system (correct)
- Motor nervous system
- Peripheral nervous system
What are the two main cell types in nerve tissue?
What are the two main cell types in nerve tissue?
- Oligodendrocytes and microglia
- Neurons and astrocytes
- Astrocytes and microglia
- Neurons and oligodendrocytes (correct)
What is the function of astrocytes in the nervous system?
What is the function of astrocytes in the nervous system?
- Support and nourishment of neurons (correct)
- Distribution of the meninges
- Histologic structure of nerve fibers
- Production of myelin
What is the role of oligodendrocytes in nerve tissue?
What is the role of oligodendrocytes in nerve tissue?
What is the function of ependymal cells in the nervous system?
What is the function of ependymal cells in the nervous system?
What is the role of microglia in nerve tissue?
What is the role of microglia in nerve tissue?
What is the function of Schwann cells in the peripheral nervous system?
What is the function of Schwann cells in the peripheral nervous system?
Which part of the neuron receives signals from numerous other neurons?
Which part of the neuron receives signals from numerous other neurons?
Which part of the neuron typically has only one and does not branch?
Which part of the neuron typically has only one and does not branch?
Which type of glial cell is the most numerous in the brain?
Which type of glial cell is the most numerous in the brain?
Which glial cell type makes myelin and insulates axons in the central nervous system?
Which glial cell type makes myelin and insulates axons in the central nervous system?
What is the function of microglial cells in the central nervous system?
What is the function of microglial cells in the central nervous system?
What is neuropil?
What is neuropil?
What is the function of dendritic spines?
What is the function of dendritic spines?
Which cells are involved in the transfer of molecules from blood to neurons and are also involved in the blood-brain barrier?
Which cells are involved in the transfer of molecules from blood to neurons and are also involved in the blood-brain barrier?
What is the main function of astrocytes?
What is the main function of astrocytes?
What is the main function of ependymal cells?
What is the main function of ependymal cells?
What is the main function of microglial cells?
What is the main function of microglial cells?
What is the main glial cell of the peripheral nervous system?
What is the main glial cell of the peripheral nervous system?
What is the function of gray matter in the brain and spinal cord?
What is the function of gray matter in the brain and spinal cord?
What are the three layers of the meninges that surround the brain and spinal cord?
What are the three layers of the meninges that surround the brain and spinal cord?
Which layer of the meninges is in contact with the dura mater?
Which layer of the meninges is in contact with the dura mater?
What is the function of the blood-brain barrier?
What is the function of the blood-brain barrier?
What are the two main components of the peripheral nervous system?
What are the two main components of the peripheral nervous system?
What surrounds and forms myelin around PNS axons?
What surrounds and forms myelin around PNS axons?
What are nodes of Ranvier?
What are nodes of Ranvier?
What is the outer dense connective tissue fibrous coat surrounding nerve bundles and spaces between nerve fibers called?
What is the outer dense connective tissue fibrous coat surrounding nerve bundles and spaces between nerve fibers called?
What surrounds each fiber bundle or fascicle in the peripheral nervous system?
What surrounds each fiber bundle or fascicle in the peripheral nervous system?
What is the innermost layer of the meninges called?
What is the innermost layer of the meninges called?
What is the function of the astrocyte foot processes in the blood-brain barrier?
What is the function of the astrocyte foot processes in the blood-brain barrier?