Podcast
Questions and Answers
What is the Nissl bodies composed of in nerve cells?
What is the Nissl bodies composed of in nerve cells?
- Golgi apparatus and centrioles
- Lysosomes and mitochondria
- Smooth endoplasmic reticulum and bound ribosomes
- Rough endoplasmic reticulum and free ribosomes (correct)
Where are Nissl bodies typically absent in nerve cells?
Where are Nissl bodies typically absent in nerve cells?
- Axon and axon hillock (correct)
- Dendrites and perikaryon
- Axon and perikaryon
- Cell body and dendrites
Which type of neuron has a large cell body, large axon, and many dendritic processes?
Which type of neuron has a large cell body, large axon, and many dendritic processes?
- Pseudounipolar neuron
- Unipolar neuron
- Multipolar neuron (correct)
- Bipolar neuron
What is the main difference between dendrites and axons?
What is the main difference between dendrites and axons?
What is the term for the region of the cell body lacking Nissl bodies?
What is the term for the region of the cell body lacking Nissl bodies?
In which type of neuron are Nissl bodies more abundant?
In which type of neuron are Nissl bodies more abundant?
Where are Nissl bodies typically found in nerve cells?
Where are Nissl bodies typically found in nerve cells?
What is the primary function of dendrites in nerve cells?
What is the primary function of dendrites in nerve cells?
What is the ratio of glial cells to neurons in the CNS?
What is the ratio of glial cells to neurons in the CNS?
Where are protoplasmic astrocytes typically found?
Where are protoplasmic astrocytes typically found?
What is the function of oligodendrocytes?
What is the function of oligodendrocytes?
What is the main function of myelin in nerves?
What is the main function of myelin in nerves?
What is the role of microglia in the CNS?
What is the role of microglia in the CNS?
What is the result of demyelination?
What is the result of demyelination?
What is the function of ependymal cells?
What is the function of ependymal cells?
What type of cells are found in peripheral nerves?
What type of cells are found in peripheral nerves?
What is the type of synapse where the axon terminal transmits the nerve impulse to a cell body?
What is the type of synapse where the axon terminal transmits the nerve impulse to a cell body?
What is the term for the damage to myelin around nerves?
What is the term for the damage to myelin around nerves?
What is the function of astrocytes in the CNS?
What is the function of astrocytes in the CNS?
What is the main component of the peripheral nervous system (PNS)?
What is the main component of the peripheral nervous system (PNS)?
What is the function of the axon terminals?
What is the function of the axon terminals?
What is the speed of nerve signal transmission in unmyelinated neurons?
What is the speed of nerve signal transmission in unmyelinated neurons?
What is the structure that allows nerve signals to travel faster in myelinated neurons?
What is the structure that allows nerve signals to travel faster in myelinated neurons?
What is the type of synapse where the axon terminal transmits the nerve impulse to another axon?
What is the type of synapse where the axon terminal transmits the nerve impulse to another axon?
What is the function of the nodes of Ranvier?
What is the function of the nodes of Ranvier?
What type of cells are associated with neurones in ganglia?
What type of cells are associated with neurones in ganglia?
What is the main function of satellite cells?
What is the main function of satellite cells?
What is the primary function of the synapse?
What is the primary function of the synapse?
What is the main difference between Schwann cells and satellite cells?
What is the main difference between Schwann cells and satellite cells?
What is the composition of myelin?
What is the composition of myelin?
Where are neurones in the peripheral nervous system located?
Where are neurones in the peripheral nervous system located?
How many myelinated axons are surrounded by a single Schwann cell?
How many myelinated axons are surrounded by a single Schwann cell?
What type of demyelination occurs when the body's immune system attacks myelin?
What type of demyelination occurs when the body's immune system attacks myelin?
What is the cause of progressive multifocal leukoencephalopathy (PML)?
What is the cause of progressive multifocal leukoencephalopathy (PML)?
Which type of demyelination involves the peripheral nerves?
Which type of demyelination involves the peripheral nerves?
What is the term for demyelination caused by vascular disease or lack of oxygen in the brain?
What is the term for demyelination caused by vascular disease or lack of oxygen in the brain?
What is the result of liver damage on myelin?
What is the result of liver damage on myelin?
What type of demyelination is associated with multiple sclerosis (MS)?
What type of demyelination is associated with multiple sclerosis (MS)?
What is the result of electrolyte imbalances on myelin?
What is the result of electrolyte imbalances on myelin?
What is the term for demyelination caused by alcohol consumption?
What is the term for demyelination caused by alcohol consumption?
Which type of demyelination is associated with optic neuritis?
Which type of demyelination is associated with optic neuritis?