In the adult, neurons are an example of which of the following? A. Continuously dividing cells B. Labile cells C. Permanent cells D. Quiescent cells F. Stable cells
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- The function of neuroglia is to a. carry messages from the PNS to the CNS. b. support and protect neurons. c. stimulate muscle contraction. d. store memories.The part of a neuron that contains the nucleus is the a. cell body b. dendrite c. axon d. glialWhich of the following is not a way neuroglia cells help neurons? A. Provide support and protection B. Speed up electrical signals C. Provide nutrients D. Send electrical signals themselves
- The neuron cell is made up of which of the following parts? A. Axon B. Dendrite C. Nucleus D. All of the AboveA. Match the neuroglia cell with the correct function. A. Astrocytes B. Microglia C. Ependymal D. oligodendrocytes E. Schwann cells F. satellite cells 11. Cells that produce the myelin in the PNS. 12. Cells that produce the myelin in the CNS. 13. Phagocytes that dispose of debris such as dead brain cells and bacteria. 14. Anchors and braces neurons with cellular projections. 15. Cells have cilia that help circulate the cerebrospinal fluid. 16. Cells help cushion and protect neurons in the PNS. Cells serve as a medium for diffusion between capillaries and neurons. 17. Cells line cavities of the brain and spinal cord 18. onor that are sunnosed to be added to a plant in order to achieve the followingThe cells of neuroglia are formed from two sources: ectoderm and mesenchyme. What cells have the mesenchymal origin? a. Fibrillar astrocyte b. Microgliocytes c. Ependymal cell d. Oligodendrocyte e. Protoplasmic astrocyte
- A. Match the neuroglia cell with the correct function. D. oligodendrocytes A. Astrocytes B. Microglia C. Ependymal E. Schwann cells F. satellite cells 11. Cells that produce the myelin in the PNS. 12. Cells that produce the myelin in the CNS. 13. Phagocytes that dispose of debris such as dead brain cells and bacteria. 14. Anchors and braces neurons with cellular projections. 15. Cells have cilia that help circulate the cerebrospinal fluid. 16. Cells help cushion and protect neurons in the PNS. 17. Cells serve as a medium for diffusion between capillaries and neurons. 18. Cells line cavities of the brain and spinal cord to achieve the followingAndrew was taken to the doctor’s office after he was bitten by a stray dog. The concern was that the dog might be infected with the rabies virus. The rabies virus infects neurons by using which method that normally transports materials from the synaptic knob to the cell body? a. anterograde transport b. fast axonal transport c. slow axonal transport d. All of these are correct.What type of cells serve the needs of delicate neurons by bracing and protecting them? Are they capable of generating and transmitting nerve impulses? A. ganglia, no B. ganglia, yes C. neuroglia, yes D. neuroglia, no What type of cells myelinate the cytoplasmic extensions of neurons? A. oligodendrocytes and schwann cells B. microglial cells C. astrocytes D. ependymal cells Which structural classification of neurons has only one very short process that extends from the cell body and divides into peripheral and central processes? A. anaxonic neurons B. multipolar neurons C. unipolar neurons D. bipolar neurons
- Which of the following central nervous system cellsregulate ions, regulate the uptake and/or breakdown ofsome neurotransmitters, and contribute to the formation ofthe blood-brain barrier?a. microgliab. neurogliac. oligodendrocytesd. astrocytesHow are neurons similar to other cells? How are they unique?(a) Describe the similarities and differences between neurons and typical cells.