Podcast
Questions and Answers
Which of the following cells are not electrically excitable?
Which of the following cells are not electrically excitable?
- Schwann cells
- Microglia
- Astrocytes (correct)
- Oligodendrocytes
Which type of cells make up about half the volume of the nervous system?
Which type of cells make up about half the volume of the nervous system?
- Astrocytes (correct)
- Oligodendrocytes
- Microglia
- Ependymal cells
Which type of cells can multiply and divide?
Which type of cells can multiply and divide?
- Oligodendrocytes
- Microglia
- Astrocytes (correct)
- Ependymal cells
Which type of cells are responsible for nourishing neurons?
Which type of cells are responsible for nourishing neurons?
Which type of cells are found in both the central and peripheral nervous systems?
Which type of cells are found in both the central and peripheral nervous systems?
Which type of cells form myelin in the central nervous system?
Which type of cells form myelin in the central nervous system?
Which type of cells perform immune and scavenging functions in the nervous system?
Which type of cells perform immune and scavenging functions in the nervous system?
Which type of cells are involved in the formation of the blood-brain barrier?
Which type of cells are involved in the formation of the blood-brain barrier?
Which type of cells are responsible for supporting and nourishing neuron cell bodies in the peripheral nervous system?
Which type of cells are responsible for supporting and nourishing neuron cell bodies in the peripheral nervous system?
Which type of cells line the ventricles of the brain and produce cerebrospinal fluid?
Which type of cells line the ventricles of the brain and produce cerebrospinal fluid?
What type of potentials occur in response to the opening of mechanically-gated or ligand-gated ion channels?
What type of potentials occur in response to the opening of mechanically-gated or ligand-gated ion channels?
What factors affect the propagation speed of action potentials?
What factors affect the propagation speed of action potentials?
What type of potential occurs when a sensory neuron receptor is excited by a form of energy like heat or light?
What type of potential occurs when a sensory neuron receptor is excited by a form of energy like heat or light?
What is the main purpose of the myelin sheath?
What is the main purpose of the myelin sheath?
Which type of neuron is most commonly found in the brain, spinal cord, and ganglia?
Which type of neuron is most commonly found in the brain, spinal cord, and ganglia?
Which cells allow complex functions of the nervous system such as sensing, thinking, remembering, and controlling muscle activity?
Which cells allow complex functions of the nervous system such as sensing, thinking, remembering, and controlling muscle activity?
What effect does higher temperature have on the speed of action potential propagation?
What effect does higher temperature have on the speed of action potential propagation?
What are the two classes of neurotransmitters based on size?
What are the two classes of neurotransmitters based on size?
What is the junction between neurons or between a neuron and an effector called?
What is the junction between neurons or between a neuron and an effector called?
How do neurons communicate with chemical messengers?
How do neurons communicate with chemical messengers?
