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Why is the concentration of urea strong in urine?
The concentration of urea is high in urine because urea is a waste product produced by the liver when it breaks down proteins. The kidneys then filter urea from the blood and excrete it in urine to maintain the body's nitrogen balance.
What is found in the highest concentration of urine?
urea
What is found in the highest concentration in the urine?
urea
What is the formula to calculate urine urea nitrogen?
(amino acid (grams)/ 6.25)-(UUNg (urine urea nitrogen) +4g)
Which vein has urea concentration in maximum?
The Hepatic Portal Vein
What is the normal concentration of urea in urine?
Serum Urea level 2.5 -7.8 mmol/L
What causes the concentration of urea to be higher in the urine than in the filtrate?
During reabsoption most of the water exits the nephron and enters the interstitial fluid. This increases the concentration of ions such as potassium in the nephron. In the collecting duct (at the very end) very little water is left and the concentration of potassium, sodium, etc ions rises (including urea). This is why urine is acidic.
If human urine is 1.8 percent urea how many grams of urea are present in 50 ml of urine?
To calculate the grams of urea in 50 ml of urine where 1.8% is urea, first convert the ml to grams using the density of urine (about 1 g/ml). Then, multiply the volume of urine in grams by the percentage of urea (0.018) to find the grams of urea present in 50 ml of urine.
What percentage in urine is urea?
Urea is an endogenous product of protein and aminoacid catabolism, and consequently 20-35 g of urea is excreted daily in human urine in avolume of about 1 - 1.5 litres.
Which two major components of normal human urine?
Urea and Water.
Why is urea concentration higher in the urine than in the filtrate?
Urea concentration is higher in urine than in the filtrate because the kidneys reabsorb water and certain solutes during the filtration process. As the filtrate passes through the renal tubules, water is reabsorbed, concentrating the remaining solutes, including urea. Additionally, urea is actively secreted from the blood into the tubular fluid, further increasing its concentration in the final urine. This process helps regulate nitrogen waste excretion while conserving water.
What is the main nitrogenous waste in the urine?
Urea is the main nitrogenous waste in urine. It is an organic compound that is essential for metabolism in humans because it allows the kidneys to produce hyperosmotic urine.
