Podcast
Questions and Answers
What is the main topic of the video on resting membrane potential?
What is the main topic of the video on resting membrane potential?
- Action potentials in neurons
- The function of mitochondria in cells
- The structure of the cell membrane
- The definition and significance of resting membrane potential (correct)
Which ion plays a critical role in establishing the resting membrane potential of a neuron?
Which ion plays a critical role in establishing the resting membrane potential of a neuron?
- Calcium (Ca2+)
- Chloride (Cl-)
- Potassium (K+) (correct)
- Sodium (Na+)
What is the typical value for the resting membrane potential of a neuron?
What is the typical value for the resting membrane potential of a neuron?
- $-100$ mV
- $-70$ mV (correct)
- $0$ mV
- $+70$ mV
How does an increase in extracellular potassium concentration affect the resting membrane potential of a neuron?
How does an increase in extracellular potassium concentration affect the resting membrane potential of a neuron?
What is the significance of the sodium-potassium pump in maintaining the resting membrane potential?
What is the significance of the sodium-potassium pump in maintaining the resting membrane potential?
In terms of charge, what characterizes the interior of a neuron at rest?
In terms of charge, what characterizes the interior of a neuron at rest?
What is the main topic of the video on resting membrane potential?
What is the main topic of the video on resting membrane potential?
Which ion is primarily responsible for establishing the resting membrane potential?
Which ion is primarily responsible for establishing the resting membrane potential?
What is the approximate value of the resting membrane potential in millivolts?
What is the approximate value of the resting membrane potential in millivolts?
How does depolarization of the cell membrane affect the resting membrane potential?
How does depolarization of the cell membrane affect the resting membrane potential?
Which of the following is a characteristic of an excitable cell in relation to resting membrane potential?
Which of the following is a characteristic of an excitable cell in relation to resting membrane potential?
Why is the concept of resting membrane potential important for understanding cellular physiology?
Why is the concept of resting membrane potential important for understanding cellular physiology?
