Resting Membrane Potential (RMP) | Nerve Physiology
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- Опубликовано: 6 сен 2024
- Resting Membrane Potential (RMP) | Action Potential | Polarized State, Depolarization, Repolarization, Hyperpolarization | Sodium, Potassium, Chloride, Calcium | Nerve Physiology.
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I realize Im pretty off topic but do anyone know of a good site to stream new movies online?
@Leo Amari Flixportal xD
@Luciano Harold thanks, I signed up and it seems like they got a lot of movies there :) I appreciate it!!
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K+ efflux is said to be much greater than Na+ influx (20-100:1). What stops the concentration gradients from degrading? It’s the Na+K+ ATPase right? But the pump moves Na+ and K+ in a ratio of 3:2. So this doesn’t seem to add up. Surely more Na+ must be entering the cell compared to K+ leaving (at a ratio of 3:2)
A lecture combined of : pathology, physiology, pharmacology, genetics, biology, chemistry, economy, anatomy... etc, what more should anyone get !!!!
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My friend (who understands what the professor said at the lecture) tried to explain the resting potential and it took two hours and I didn’t understand anything, but one video on medicosis made me see what was hidden
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Thank you so much dear medicosis. I was really feeling desperate without understanding the effects of Potassium on RMP. Reading textbook and hearing lectures didnt help me, but You made it understand in minutes. 🥰🥰. Now I am binge watching your videos
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20:32 if greater the calcium=less excitability, how do I better understand this with regards to verapamil (which among other uses) decreasing tachyarrhythmia
There's a difference between serum calcium concentration and blocking a calcium channel in a target organ.
@@MedicosisPerfectionalis correct. I assumed as much I was hoping someone could elucidate on that because it was still talking about the heart.
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The answer : "C" to pump na+_ca++
What is the difference between electro-gradient AND osmosis gradient? What is the relation between the two?? Help me to grasp the meanings of the two, please
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Sir! As u said that In case of Non excitable cells eg RBCs that have less negative RMP(Less K+ Efflux) but When We say in case of Hyperkalemia there is less K+ Efflux or Less negative RMP they become more Excitable, Isn't it Contrary?
BTW thanks for Glorious Video. Kindly Sir explain it
Exactly, i think for hyperkalemia there is more K+ in the ECF thus more negative Membrane potential so less excitability. Makes also sense for hypokalemia.
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Answer is C ... helix point for higher Na channels
Are you sure?
@@MedicosisPerfectionalis guessed... unsure
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C- axon hillock
Wow
Old topic. Now you decided do it
Yup
Imagine studying overseas with a lecturer who cant really deliver their understanding to foreign students 🥲 thank u ! Finally can understand
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