Podcast
Questions and Answers
What is the purpose of the nervous system?
What is the purpose of the nervous system?
- Motor activity
- Communication (correct)
- Information processing
- Behaviour
What is the composition of the central nervous system?
What is the composition of the central nervous system?
- Brain and spinal cord (correct)
- Ectoderm
- Ganglia
- Peripheral nerves
What is the definition of a ganglion?
What is the definition of a ganglion?
- A structure in the peripheral nervous system
- A group of cell bodies outside of the central nervous system (correct)
- A sensory detector
- A motor neuron
Which part of the neuron receives inputs from dendrites?
Which part of the neuron receives inputs from dendrites?
Which part of the neuron is responsible for transmitting information?
Which part of the neuron is responsible for transmitting information?
What is the function of the myelin sheath in neurons?
What is the function of the myelin sheath in neurons?
What are the nodes of Ranvier in relation to the myelin sheath?
What are the nodes of Ranvier in relation to the myelin sheath?
Which part of the neuron is responsible for increasing conduction velocity?
Which part of the neuron is responsible for increasing conduction velocity?
What is the function of the cell membrane in a neuron?
What is the function of the cell membrane in a neuron?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
What is the purpose of the dendrites in a neuron?
What is the purpose of the dendrites in a neuron?
Which part of the nervous system are interneurons found in?
Which part of the nervous system are interneurons found in?
Which of the following is NOT a characteristic of glia?
Which of the following is NOT a characteristic of glia?
Which cells in the nervous system are a common source of tumors?
Which cells in the nervous system are a common source of tumors?
Which part of the brain is most rostral in the cerebral cortex?
Which part of the brain is most rostral in the cerebral cortex?
Which type of neuron is among the least numerous in the nervous system?
Which type of neuron is among the least numerous in the nervous system?
Which type of neuron is often found in sensory systems?
Which type of neuron is often found in sensory systems?
What is the main function of pseudo unipolar cells?
What is the main function of pseudo unipolar cells?
What is a key feature of chemical synapses?
What is a key feature of chemical synapses?
Which type of cells are more numerous than neurons in the brain?
Which type of cells are more numerous than neurons in the brain?
What is the main function of glial cells?
What is the main function of glial cells?
What are the small purple cells seen in the background?
What are the small purple cells seen in the background?
What are glial cells sometimes called?
What are glial cells sometimes called?
What is the function of astrocytes?
What is the function of astrocytes?
What is the main difference between neurons and glial cells?
What is the main difference between neurons and glial cells?
Which cells in the central nervous system (CNS) are responsible for myelinating many neurons?
Which cells in the central nervous system (CNS) are responsible for myelinating many neurons?
What kind of neurons would you expect to find in the dorsal root ganglia?
What kind of neurons would you expect to find in the dorsal root ganglia?
Name two locations where you would expect to find ganglia in the peripheral nervous system.
Name two locations where you would expect to find ganglia in the peripheral nervous system.
Approximately how many neurons are in the brain?
Approximately how many neurons are in the brain?
What is a Brodmann area?
What is a Brodmann area?
Which part of the prefrontal cortex is nearest to the primary auditory cortex (on the outer shell of the temporal lobe)?
Which part of the prefrontal cortex is nearest to the primary auditory cortex (on the outer shell of the temporal lobe)?
What are the nodes of Ranvier in relation to the myelin sheath?
What are the nodes of Ranvier in relation to the myelin sheath?
What is the main function of glial cells?
What is the main function of glial cells?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
What is the function of astrocytes?
What is the function of astrocytes?
Which of the following is a function of an ependymal cell?
Which of the following is a function of an ependymal cell?
What is the main function of a microglial cell?
What is the main function of a microglial cell?
Which histological traits distinguish an astrocyte?
Which histological traits distinguish an astrocyte?
What is the function of a Schwann cell?
What is the function of a Schwann cell?
Which of the following is a difference between an oligodendrocyte and a Schwann cell?
Which of the following is a difference between an oligodendrocyte and a Schwann cell?
What histological traits distinguish a microglial cell?
What histological traits distinguish a microglial cell?
What histological traits distinguish an astrocyte?
What histological traits distinguish an astrocyte?
What is the function of an oligodendrocyte?
What is the function of an oligodendrocyte?
What histological traits distinguish an ependymal cell?
What histological traits distinguish an ependymal cell?
What is the function of a Schwann cell?
What is the function of a Schwann cell?
Which of the following is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
Which of the following is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
Which embryonic layer/tissue is the nervous system derived from?
Which embryonic layer/tissue is the nervous system derived from?
What are the main functions of neuroglia?
What are the main functions of neuroglia?
What is a Node of Ranvier?
What is a Node of Ranvier?
What is myelin?
What is myelin?
What is the purpose of myelin?
What is the purpose of myelin?
What histological and physiological traits distinguish a neuron?
What histological and physiological traits distinguish a neuron?
What is the difference between oligodendrocytes and Schwann cells?
What is the difference between oligodendrocytes and Schwann cells?
What is the composition of the central nervous system (CNS)?
What is the composition of the central nervous system (CNS)?
What is the role of Cerebrospinal fluid (CSF) in the central nervous system (CNS)?
What is the role of Cerebrospinal fluid (CSF) in the central nervous system (CNS)?
Which type of glial cell is responsible for the production and maintenance of the myelin sheath in the central nervous system (CNS)?
Which type of glial cell is responsible for the production and maintenance of the myelin sheath in the central nervous system (CNS)?
Which type of glial cell plays a role in regulating blood flow and the blood-brain barrier in the central nervous system (CNS)?
Which type of glial cell plays a role in regulating blood flow and the blood-brain barrier in the central nervous system (CNS)?
Which type of glial cell is of mesodermal origin and acts as immune cells in the central nervous system (CNS)?
Which type of glial cell is of mesodermal origin and acts as immune cells in the central nervous system (CNS)?
Which type of glial cell lines the brain's ventricles and the central canal of the spinal cord and is involved in the production of cerebrospinal fluid (CSF)?
Which type of glial cell lines the brain's ventricles and the central canal of the spinal cord and is involved in the production of cerebrospinal fluid (CSF)?
Which type of glial cell is responsible for the production and maintenance of the myelin sheath in the peripheral nervous system (PNS)?
Which type of glial cell is responsible for the production and maintenance of the myelin sheath in the peripheral nervous system (PNS)?
Which type of glial cell supports neurons, regulates the exchange of materials between neurons and interstitial fluid in the peripheral nervous system (PNS)?
Which type of glial cell supports neurons, regulates the exchange of materials between neurons and interstitial fluid in the peripheral nervous system (PNS)?
Which type of glial cell is the most numerous in the brain, outnumbering neurons by a ratio of 1:10-50?
Which type of glial cell is the most numerous in the brain, outnumbering neurons by a ratio of 1:10-50?
Which type of glial cell is often a source of tumors in the central nervous system (CNS)?
Which type of glial cell is often a source of tumors in the central nervous system (CNS)?
Which type of glial cell is derived from neural crest cells and is responsible for a tumor called neuroblastoma?
Which type of glial cell is derived from neural crest cells and is responsible for a tumor called neuroblastoma?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
Which type of neuron is responsible for a lot of the thinking in the cerebral cortex?
What is the difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
What is the difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
What is the main function of the myelin sheath?
What is the main function of the myelin sheath?
What is the role of astrocytes in the nervous system?
What is the role of astrocytes in the nervous system?
What is the main function of microglial cells in the nervous system?
What is the main function of microglial cells in the nervous system?
What is the composition of the central nervous system (CNS)?
What is the composition of the central nervous system (CNS)?
Which part of the nervous system are interneurons found in?
Which part of the nervous system are interneurons found in?
What is the purpose of the dendrites in a neuron?
What is the purpose of the dendrites in a neuron?
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 purpose of the nervous system?
What is the purpose of the nervous system?
What is a Node of Ranvier?
What is a Node of Ranvier?
Which of the following is NOT a function of glial cells?
Which of the following is NOT a function of glial cells?
Which of the following is a characteristic of glial cells?
Which of the following is a characteristic of glial cells?
Which of the following is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
Which of the following is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?
Which of the following is NOT a characteristic of oligodendrocytes?
Which of the following is NOT a characteristic of oligodendrocytes?
Which of the following is the main function of astrocytes?
Which of the following is the main function of astrocytes?
Which of the following is a function of interneurons?
Which of the following is a function of interneurons?
Which of the following is the main function of myelin?
Which of the following is the main function of myelin?
Which Brodmann area is most rostral?
Which Brodmann area is most rostral?
Which Brodmann area(s) corresponds to the sensory cortex?
Which Brodmann area(s) corresponds to the sensory cortex?
What is the purpose of the dendrites in a neuron?
What is the purpose of the dendrites in a neuron?
