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Is water concentration in urine the same as glomerular filtrate or greater?
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Why is K plus more concentrated in the urine then filtrate?
K+ is more concentrated in the urine than filtrate because while other substances are reabsorbed into the capillaries through the large pores, the potassium mostly stays in the urine, which increases its concentration. Also, the pH of the body needs adjustments, which needs a large amount of K+ to be excreted through the excretory system to adjust to the optimum pH for the body.
How does urine differ from the original filtrate?
From the original filtrate, a lot of much needed electrolytes (Sodium e.t.c) are reabsorbed (absorbed back into blood), a few substances secreted further into the urine, then loads of water reabsorbed to fine tune body water to exactly how much you need(as much as possible), making urine far more concentrated than the original filtrate.
What effect does the concentration gradient of the interstitial fluid have on the maximum urine concentration?
The urine concentration increased.
What happens to the concentration of glucose in urine as the number of glucose carriers increase?
concentration of glucose in the urine decreases.
What happened to the urine volume as the concentration gradient increased?
The urine volume decreased as the concentration gradient increased.
Which would be in a greater relative concentration in the urine than in the glomerular filtrate?
Phosphate ions, sulfate ions, potassium ions, urea, uric acid, creatine.
When less glomerular filtrate is formed what kind of urine is formed?
less urine is formed
Difference between filtrate and urine?
Until the liquid reaches the renal pelvis, it is "glomerular filtrate," when it reaches the pelvis, it is called "urine"
What is used to form urine and requires a high blood pressure?
Glomerular filtrate
What percent of the glomerular filtrate is reabsorbed?
the nephrons produce approx 150 litres of glomerular filtrate per day 99% of which is reabsorbed to leave an average of 1.5litres of urine.
Glucose is found in glomerular filtrate but NOT in the urine because?
glucose is transported back into the bloodstream
Why is there protein in the glomerular filtrate and urine?
The inflammation would increase the permeability of your glomeruli. This retraction of the epithelium will allow the larger protein molecules to go through the filtrate.
What is glomerular filtrate?
Glomerular filtration rate is the rate at which fluid is filtered by the kidneys. The normal rate for humans is 125mL/min or 180L/day. The fluid that is filtered (and not reabsorbed later) is excreted as urine.
Why is glucose present in the glomerular filtrate but absent in the urine?
Glucose is absorbed in the nephron of the kidney, if it is present in very high amounts or unable to be reabsorbed, like with diabetes, it will be present in urine.
Which substances present in the glomerular filtrate but not normally in urine?
glucose and amino acids, because they are selectively reabsorbed in the proximal convoluted tubule.
Why are red blood cells or proteins not found in the glomerular filtrate?
. Since proteins are very large molecules (macromolecules), they are not normally present in measurable amounts in the glomerular filtrate or in the urine. The detection of protein in urine, called proteinuria may indicate that the permeabilityof the glomerulus is abnormally increased. This may be caused by renal infections or it may be caused by other diseases that have secondarily affected the kidneys such as diabetes mellitus, jaundice, or hyperthyroidism.
Would red blood cells be present in the renal filtrate?
Not normally - red blood cells are quite large and should be above the glomerular filtration size threshold. Blood in the renal filtrate will by default result in blood in the urine due to an inability of the kidney to reabsorb it and this is pathlogic.
