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Question 35 (1 point) In the ascending limb of the loop of Henle,water can easily enter or leave:is salt permeableCa2+ are actively transported across the basal mem...

Question

Question 35 (1 point) In the ascending limb of the loop of Henle,water can easily enter or leave:is salt permeableCa2+ are actively transported across the basal membrane:the filtrate does not change:none of these above

Question 35 (1 point) In the ascending limb of the loop of Henle, water can easily enter or leave: is salt permeable Ca2+ are actively transported across the basal membrane: the filtrate does not change: none of these above



Answers

In which of the following segments of the nephron is sodium NOT actively transported out of the nephron? a. Proximal convoluted tubule b. Thin portion of the ascending limb of the loop of Henle c. Distal convoluted tubule d. Thick portion of the ascending limb of the loop of Henle

Okay, So from poems about the group of family, right? And self, if we imagine we have a nephew Ron here. Okay, So this all things in Effron in the loop of Henley is going to be this portion that sort of dips down and comes back up. So that's a loop. Uh, hello. Main purpose is is that as his personal membrane, right? And so that we get this loops. There's a longer track for the liquid to run through. And that means more time for this transport, right? And so we have from the glamorous rate. Well, it's filtered. It's it's gonna first go down the descending side and then even she will come back up the A sending side, okay? And what was going down the descending side? It's mostly just sending out water. Okay, so it's highly criminal, Balto Water, but improbable to solids. And then then, as it comes up the other side, we actually sort of see the opposite where it's impermeable toe water. But we're getting some soniya and a bunch of other Saul Utes, right? So how you purple to this to you, Saul Utes. And so what it's asking us is What is the descending side permissible to its water than the A sending size printable to Saul Eudes s o the correct letter solution and is going to be D?

In the question we have been given with filling the plans. And the first one is. The first statement is that ascending limp of Henley's lupus dash to water. There is the dissenting limp is dashed to it. The answer to the first one is impermeable and formidable. The ascent, a glimpse of Henley's loop is impermeable to water. Where is the dissenting limp is impermeable, do it. That's the 1st 1. Secondly, we have re absorption of water from distant parts of tubules is facilitated by hormone Dash the name of the hormones vasopressin. That's a present. It is said to be anti diuretic hormone and he die your epic online Todd B. The statement given us daily dialysis fluid contains all the constituents as in plasma except Dash. The answer is Except nitrogenous waste, nitrogenous waste. The fourth one, a healthy adult human excretes on an average dash Gm of syria. Poor day. The answer is 25 to 30 grams of Julia body. So I hope the concept is clear to you. Thank you

In this question, we're reminded that as Phil Tree, it passes through the loop of Henle e salt is reabsorbed and concentrated in the interstitial fluid of the medulla, were then asked Teoh, answer the question of this enables Neff runs to, and we choose one of the options. All right, so when we think of the kidney, we should think of water re absorption our kidneys, ribs, or almost 99% of the 180 leaders of Phil trade reproduced each day. Such efficient water re absorption is related to the anatomy of the Nef Arone, and the path we will treat follows through the cortex and medulla. The long loop of Henley carries the pill tree deep into the medulla and then back into the cortex. Water exits the fill tree as it flows down the loop of family, because the Salyut concentration of the fill tree is lower than that of the interstitial fluid in the medulla. The water moving out of the pill treat quickly moves into nearby blood cavalries, and this has shown really well and figure 25.7. So let's go back and take a look at all of the options that this question gives us. So the first is, um, the this song difference income concentration between the interstitial fluid of the medulla and the pill tree enables. Neff runs to a excrete the maximum amount of salt. So we know that this concentration ingredient of salt is actually going to drive the movement of water, not more salt. So, um, this is not the best choice. Option B neutralize toxins that might be found in the kidney. So again, we're talking about water movement when we're thinking about this process. Um, there was nothing about neutralizing toxins in the function of the kidney. So this is also not a good choice. When we think about neutralizing toxins, your mind should immediately go toe liver option C excrete a large amount of water. So we're on the right track of thinking about water. But it's in the wrong direction. So the water is actually moving out of the fill trait and into the interstitial fluid. Um, and so there will be last water excreted. So this is also not a good choice Option d re absorb water from the filter it very efficiently, and this is exactly what happens. So we choose the as the crack answer

So here we are addressing the processes that contribute to the increased salt concentration in the interstitial fluid of the kidneys, particularly the middle, every region of the kidneys. Okay, in one word, what's contributing to that is really absorption. Reabsorption is necessary because when your blood gets filtered in the liberal or capillaries at the bowman's capsule um in that field trait is a whole bunch of stuff that you need um water, salt, glucose, among other things. So reabsorption is very important and helps control the concentration of substances within the blood. Um So the kidneys need to re absorb those things back in. Now, the reabsorption can take place through active transport or it can take place by passive transport like diffusion. Okay, now, when we are addressing this question, there's actually a bit of a shortcut because reabsorption happens in only certain structures, re absorption happens in the proximal tubules, it also happens in the loop of henley. Okay, and when we're talking about the loop of henley, we can talk about the ace ending limb as well as the descending limb, both of them our sites of reabsorption and then the distal convoluted tubules as well. Now in the bowman's capsule the only thing that's happening is filtration. Okay so in this case the bowman's capsule is not contributing to the high salt content in the interstitial fluid because everything is getting pressure filtered out. Okay now what's happening in the collecting duct? Just for completion sake? Yeah. Is that your area is leaving the collecting duct and going into the blood? Now that actually helps contribute to the high concentration of salute in the interstitial fluid to even though it's Yuria uh more than sodium but um the bowman's capsule most definitely is not contributing to that salt concentration. So that is the one that is not involved.


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