Podcast
Questions and Answers
What is the functional unit of the nervous system?
What is the functional unit of the nervous system?
- Neuron (correct)
- Axon
- Dendrites
- Cell body
What is the measure of resting membrane potential (RMP) in neurons?
What is the measure of resting membrane potential (RMP) in neurons?
- -30 mV
- -50 mV
- -70 mV (correct)
- -90 mV
What is the main cause of negativity at rest in the resting membrane potential (RMP)?
What is the main cause of negativity at rest in the resting membrane potential (RMP)?
- High concentration of Na+ inside the cell
- Greater permeability to K+ than Na+ due to K+ weak channels (correct)
- Presence of diffusible anions inside the cell
- Absence of non-diffusible ions inside the cell
What is the difference in voltage of electrical charge between inside and outside the cell membrane called?
What is the difference in voltage of electrical charge between inside and outside the cell membrane called?
What are the three parts that a neuron consists of?
What are the three parts that a neuron consists of?