Podcast
Questions and Answers
What is the main reason for evolution to create voltage across neuronal membranes?
What is the main reason for evolution to create voltage across neuronal membranes?
- To support the formation of ionic concentration gradients
- To regulate the movement of ions in and out of the cell
- To maintain the resting membrane potential
- To generate electrical signals (correct)
What is the simplified Nernst equation used for?
What is the simplified Nernst equation used for?
- To determine the equilibrium potential of single ion species (correct)
- To measure the ionic concentration gradients
- To calculate the resting membrane potential
- To calculate the membrane time constant
What is the net result of primary and secondary active transport in neuronal membranes?
What is the net result of primary and secondary active transport in neuronal membranes?
- Creation of voltage across the membranes (correct)
- Regulation of membrane capacitance
- Generation of electrical signals
- Formation of ionic concentration gradients
What are the types of neuronal electrical signals mentioned in the text?
What are the types of neuronal electrical signals mentioned in the text?
What determines the magnitude of change for passive voltage changes in neuronal membranes?
What determines the magnitude of change for passive voltage changes in neuronal membranes?
What is the primary factor causing the membrane voltage to take time to change?
What is the primary factor causing the membrane voltage to take time to change?
In the absence of capacitance and with only conductance, how would membrane voltage respond to current injection?
In the absence of capacitance and with only conductance, how would membrane voltage respond to current injection?
What does the value of 63% represent in relation to the membrane time constant (Ï„)?
What does the value of 63% represent in relation to the membrane time constant (Ï„)?
How is the membrane time constant (Ï„) determined?
How is the membrane time constant (Ï„) determined?
What is the function of current flow onto the capacitor (Ic) in altering the membrane voltage?
What is the function of current flow onto the capacitor (Ic) in altering the membrane voltage?
Flashcards are hidden until you start studying
