Nephron Structure and Function Physiology | Filtration, Reabsorption, Secretion NCLEX Review

Nephron structure and function physiology review lecture for NCLEX. The nephron's function/physiology is to perform filtration, reabsorption, and secretion.
Nephron anatomy includes the following: Glomerulus and Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting duct/tubule.
Each kidney contains millions of nephrons which work to filter the blood and create filtrate. The nephron can be divided into two sections based on its function. The first section of the nephron performs filtration which is known as the renal corpuscle. The renal corpuscle is the glomerulus and Bowman's Capsule.
The second section of the nephron is the renal tubule and it is responsible for reabsorption and secretion. This includes the proximal convoluted tubule, loop of henle, distal convoluted tubule, and collecting tubule.
To filter the blood the glomerulus receives fresh blood from the afferent arteriole which enters the glomerulus and filtrate is created. The blood then exits the glomerulus through the efferent arteriole which will turn into peritubular capillaries and eventually turn into the renal vein.
Filtrate is a liquid substance created by the glomerulus. The glomerulus filters out water, glucose, amino acids, urea, creatinine, ions, etc. The glomerulus does NOT filter proteins or blood cells.
The filtrate created by the glomerulus leaks down into a capsule called Bowman's capsule. Then it flows to the first part of the nephron that is responsible for reabsoprtion and secretion know as proximal convoluted tubule.
The proximal convoluted tubule is where most of the reabsorption occurs. Nearly 100% of glucose and amino acids are reabsorbed along with 90% of bicarbonate and 60-70% of sodium and chloride along with water and urea.
The filtrate then flows down into the loop of Henle. This area is responsible for concentrating the urine by reabsorbing most of the water in the filtrate. The loop of Henle achieves this with the help of the hypertonic environment of the renal medulla.
Then the filtrate enters into the distal convoluted tubule where more reabsorption and secretion occurs. Aldosterone will play a role in sodium reabsorption to maintain water and salt balance in the body. In addition, parathyroid hormone (PTH) will play a role in calcium reabsorption.
Lastly, the filtrate flows into the collecting/duct for the "final touches" of reabsorption and secretion. Then the filtrate will exit the kidneys as urine via the renal papilla, minor/major calyx, renal pelvis, ureters, bladder, and urethra.
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[@RegisteredNurseRN]

Hello Everyone :) Thank you SO MUCH for watching this video. I hope it helps you in your studies. Don't forget: Quiz: www.registerednursern.com/nephron-function-quiz-part-2/ Notes: www.registerednursern.com/nephron-structure-and-function-nclex-review/ More Renal Lectures: kzbin.info/aero/PLQrdx7rRsKfXkfh1nWrtxLcRTrohj41su Instagram: instagram.com/registerednursern_com/ Facebook: facebook.com/RegisteredNurseRNs Twitter: twitter.com/NursesRN

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Hello Sarah, you are truly an amazing teacher and you use your gift from God to help others. I want to say thank you so much for everything that you have done for me. I have 6 children that are 13 and under and my youngest is 7 months old. I have been trying to pass the NCLEX-RN since 2012. I failed 4 times because it was very difficult for me to study with children that young and work. I purchased so many different study guides and review courses but I wasn't retaining the information because I'm a visual learner. I watched several of your videos for more than 5 hours a day for almost 2 weeks and I understood everything. I took the exam and found out I passed today. Thank you so much for doing what you do and please continue to be a blessing to others who are struggling or just need guidance. May the Most High God continue to bless you and may you be successful in everything that you do. I am forever grateful to you!!!

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You nailed it Sarah: I recently passed my NECLEX-RN and I am training to become a Nephrology nurse. You are way better than my instructors. And again, your videos have been my companion to the exam. Thanks a million!

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I'm so glad it was helpful! Thank you for watching the videos and for this kind comment 💜

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[@RegisteredNurseRN]

Hello :) I'm so honored to have a nursing student from Portugal watching my videos! It is so awesome how nursing concepts are universal and they help you even though you're not required to take NCLEX. Thank you for your kind words...I'm so happy you like my teaching style! I wish you the best in your internship.

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[@RegisteredNurseRN]

Wow, thanks for the really kind comment. I'm so happy you found me and the videos are helping you. Congrats on entering your 4th semester...you're almost done! I'll be right here for you during your next two semesters and for the NCLEX exam. Thank you again for the comment...I really appreciated it!

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One of the best explanations I've watched on KZbin so far

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[@RegisteredNurseRN]

Hello Jason :) Yes, I'm a visual learner too. I'm so glad you will be using my videos to help you through nursing school. So awesome. Here are all my review lectures so you can find them easily once you start: kzbin.info/aero/PLQrdx7rRsKfWwTsEG3KPPQx9rWa8AqMIk I upload new content every week :)

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[@RegisteredNurseRN]

Thank you so much for the really kind comment. I'm so happy you like my teaching style and that my videos help you learn....very AWESOME! Currently I'm not an instructor...but who knows what the future holds :)

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A

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Thank you so much for being so detailed with your lesson! I "was" confused with some areas of this process, but with your teaching and expertise I now understand! Looking forward to future lessons "heart"

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Thanks for making it easy and practical..

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[@RegisteredNurseRN]

Hello Ryan! Thank you for this kind comment. I really appreciate you taking the time to watch the video. I wish you the best in pharm school :)

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Everyone learn différenly and u teach every lesson every well to understand and take ur time for us to what need unlime other teacher ur teaching mythus ur rear why becuzz u know what we need to know to help us and thank u soo much Sarah i lhave all ur lesson study my teacher do not teach like u and i am very thankful like ur here for these lesson thanks u Sarah yur fan

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[@RegisteredNurseRN]

Thank you so much for taking the time to leave this kind comment. I really appreciate it. I'm glad you liked the video!

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Really appreciate your videos, helps make concepts more clear!!!!!!

[@RegisteredNurseRN]

Thank you so much for the really kind comment. I appreciate you taking the time to leave it :) THANK YOU for watching my videos!!

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Could you do a video on the inflammation response, please? I love your videos and the way you break things down

[@RegisteredNurseRN]

Hello Jasmine :) Yes, I have wrote your video suggestion down for future videos. Thank you for it!

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It's really useful, helpful and obvious video, thank you so much dear, I hope you could post other videos about Liver, Stomach, and other structures in the next days , I love you 🌹🌹🌺🌺🌹🌹🌺🌺🌹🌹🌺🌺🌹🌹🌺🌺

[@RegisteredNurseRN]

Thank you very much for watching the video and for taking the time to leave a comment :) I actually have a whole series on GI (covers stomach etc.). You can access the videos here: kzbin.info/aero/PLQrdx7rRsKfVVQ5TeRY7Vy1Tq3pcGTDFO In addition, here are all my current review lectures: kzbin.info/aero/PLQrdx7rRsKfWwTsEG3KPPQx9rWa8AqMIk Every week I upload new content with free quizzes so always stay tuned :)

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Thank you Sarah, your videos are so informative and easy to understand - From Australia :)

[@niamh4317]

Thank you so much Sara, three years of studying the renal system and I finally understand it!! I have an exam in just over a week that will cover the renal system. Any chance of a video on acute and chronic renal failure?? If you've already got them planned thanks and can't wait! Love from Australia xx

[@RegisteredNurseRN]

Hello :) THANK YOU so much for watching my videos. Yes, I most definitely plan on covering these topics very soon. Next renal topics to come out are acute glomerulonephritis and nephrotic syndrome. All my renal lectures are here: kzbin.info/aero/PLQrdx7rRsKfXkfh1nWrtxLcRTrohj41su

[@niamh4317]

RegisteredNurseRN great thanks so much Sara. I honestly used to hate the renal system before I watched your videos, but now that I understand it, I find it so interesting!!

[@RegisteredNurseRN]

Aww, that is so awesome that you understand it now. It is really an interesting system. I think the renal and cardiac system are my favorite :)

[@niamh4317]

RegisteredNurseRN Yes! The cardiac is definitely my favourite

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Hey sarah..i loove you lectures , very educative and intresting.I wanted request you to make one on regulation of bicarbonate ions in the proximal convoluted tubule , i will appreciate.thank you

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really, all Respect and appreciation for you we need to talk about psychology and Functions of each nurse [ RN. PN......else] thank you so much

[@RegisteredNurseRN]

Thank you so much for taking the time to leave this comment. I really appreciate it. I'm glad you liked the video!

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OMG you killed it. Makes so much sense.

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Loved it! Thank you so much.

[@RegisteredNurseRN]

Thank you so much for taking the time to leave this kind comment. I really appreciate it. I'm glad you liked the video!

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I love her great explanation

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Thank for explaning this so perfect and easy❤️

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Hay papy ❤

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great video! thnx so much

[@RegisteredNurseRN]

Thank you so much :) I'm glad you liked it...means a lot!

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your videos are better than Crash course medical videos; no kidding but is truth.😍😘😌

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Thank U Mam I Learned So Much From Ur Videos

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another great video, Sara. Thank you :)

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Aww, thank you, Maribel :) Thank you for watching it. I hope you got my email!

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tough class... best teacher

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HI SARA, You rock .

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Thanks so much😇🌺

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Thank you so much sensei i finally understand this

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Yay! I'm so glad the video helped you. Thank you for watching it!

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It's brilliant 👍👍

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Just perfect !

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A GOD SEND ! THANK YOU !!

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thank you soo much !!!

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I am one of your student from Bangladesh.

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it is very help for me thanks for this

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in one word:wowwwww

[@RegisteredNurseRN]

Thank you very much :) I appreciate the kind comment.

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Oml thank you soo much : )

[@bubbleblossom101]

Hi...I just had a question about the nephron and the glomerulus. Is this correct?: The nephron is the funtional unit of the kidney but the glomerulus is the filtration unit within the nephron

[@RegisteredNurseRN]

Yes, that is correct! You're right!

[@bubbleblossom101]

Thank you that makes a big difference...was a little confused at first

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God richly bless you Amen ❤️

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Thank you very much.

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this was uploaded on my birthday

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I wish you were my anatomy teacher. I had a great physiology teacher.. he has as much energy as you and passion. But my anatomy teacher is so boring and painful to listen to