Podcast
Questions and Answers
What are the chemical components that support the neuronal membrane at rest?
What are the chemical components that support the neuronal membrane at rest?
Water, ions, phospholipids, and proteins
What drives the ions to pass the neuronal membrane, making it electrically excitable?
What drives the ions to pass the neuronal membrane, making it electrically excitable?
The membrane potential
What is the basis of membrane potentials in neurons?
What is the basis of membrane potentials in neurons?
Ions that can pass the membrane
What is the process activated by skin deformation in the nervous system?
What is the process activated by skin deformation in the nervous system?
What type of reflex is initiated by the flexor withdrawal in response to a stimulus?
What type of reflex is initiated by the flexor withdrawal in response to a stimulus?
What are the key characteristics of water in intra- and extracellular fluids?
What are the key characteristics of water in intra- and extracellular fluids?
Define cations and provide examples of cations.
Define cations and provide examples of cations.
What is the result of the plasma membrane maintaining a concentration gradient of different ions?
What is the result of the plasma membrane maintaining a concentration gradient of different ions?
What is the function of ion pumps?
What is the function of ion pumps?
What is the equilibrium potential for an ion?
What is the equilibrium potential for an ion?
What are the two effects of K+ ions accumulating at the outside of the neuron?
What are the two effects of K+ ions accumulating at the outside of the neuron?
What is the Nernst equation used for, and what does it take into account?
What is the Nernst equation used for, and what does it take into account?
How is the equilibrium potential (EION) affected when the intracellular K+ concentration quadruples?
How is the equilibrium potential (EION) affected when the intracellular K+ concentration quadruples?
What determines the membrane potential (Vm) according to Goldman's equation?
What determines the membrane potential (Vm) according to Goldman's equation?
How is the resting membrane potential (Vm) affected by an increase in extracellular K+ ions?
How is the resting membrane potential (Vm) affected by an increase in extracellular K+ ions?
What are the main chemical components that support the neuronal membrane at rest?
What are the main chemical components that support the neuronal membrane at rest?
What drives the ions to pass the neuronal membrane, making it electrically excitable?
What drives the ions to pass the neuronal membrane, making it electrically excitable?
What is the significance of the equilibrium potential in the context of neuronal membrane potentials?
What is the significance of the equilibrium potential in the context of neuronal membrane potentials?
What are the key characteristics of water in intra- and extracellular fluids?
What are the key characteristics of water in intra- and extracellular fluids?
Explain the process activated by skin deformation in the nervous system.
Explain the process activated by skin deformation in the nervous system.
What are the 5 important points to consider about equilibrium potentials (EION)?
What are the 5 important points to consider about equilibrium potentials (EION)?
What determines the membrane potential (Vm) according to Goldman's equation?
What determines the membrane potential (Vm) according to Goldman's equation?
How does the resting membrane potential (Vm) respond to an increase in extracellular K+ ions?
How does the resting membrane potential (Vm) respond to an increase in extracellular K+ ions?
What factors determine the membrane potential (Vm) according to Goldman's equation?
What factors determine the membrane potential (Vm) according to Goldman's equation?
What is the structure of K+ channels and how do they impact the resting potential?
What is the structure of K+ channels and how do they impact the resting potential?
What is the role of ions in making a neuron electrically excitable?
What is the role of ions in making a neuron electrically excitable?
Which equation is used to calculate the equilibrium potential for an ion?
Which equation is used to calculate the equilibrium potential for an ion?
What is the key factor in determining the membrane potential according to Goldman's equation?
What is the key factor in determining the membrane potential according to Goldman's equation?
What is the key characteristic of water in intra- and extracellular fluids?
What is the key characteristic of water in intra- and extracellular fluids?
What is the function of ion pumps in neuronal signaling?
What is the function of ion pumps in neuronal signaling?
What determines the movement of ions across the neuronal membrane according to Ohm's law?
What determines the movement of ions across the neuronal membrane according to Ohm's law?
What happens to the equilibrium potential (EK) if the extracellular potassium ion concentration ([K+]o) equals the intracellular potassium ion concentration ([K+]i)?
What happens to the equilibrium potential (EK) if the extracellular potassium ion concentration ([K+]o) equals the intracellular potassium ion concentration ([K+]i)?
What determines the membrane potential (Vm) according to Goldman's equation?
What determines the membrane potential (Vm) according to Goldman's equation?
How does the resting membrane potential (Vm) respond to an increase in extracellular potassium ions ([K+]o)?
How does the resting membrane potential (Vm) respond to an increase in extracellular potassium ions ([K+]o)?
What drives the ions to pass the neuronal membrane, making it electrically excitable?
What drives the ions to pass the neuronal membrane, making it electrically excitable?
