0
The limit to maximum urine concentration is primarily determined by the ability of the kidneys to reabsorb water back into the body. The countercurrent mechanism in the kidneys establishes a concentration gradient that allows for water reabsorption up to a certain point, beyond which further concentration is limited by factors like hormones and kidney function.
Add your answer:
Earn +20 pts
What factor limits the maximum possible urine concentration?
The maximum urine concentration is limited by the osmotic gradient between the kidney tubules and the surrounding interstitium. The ability to concentrate urine depends on the proper functioning of the kidney's loop of Henle and collecting ducts to establish and maintain this osmotic gradient. Additionally, factors such as hydration status and certain medical conditions can also affect the maximum urine concentration.
What effect does the concentration gradient of the interstitial fluid have on the maximum urine concentration?
The concentration gradient of the interstitial fluid affects the osmolarity of the renal medulla. A steeper concentration gradient allows for more concentration of urine by the kidneys, as the gradient drives water reabsorption in the collecting ducts, leading to concentrated urine production.
What occurs when the plasma concentration of a substance exceeds tubular maximum?
The amount of substance that exceeds the tubular maximum will be found in the urine.
What happened to the urine volume as the concentration gradient increased?
As the concentration gradient increases, the urine volume typically decreases. This is because a higher concentration gradient drives more water reabsorption in the kidneys, resulting in a lower urine volume being produced.
Where can find lowest concentration of nitrogen in urine?
The lowest concentration of nitrogen can be found in the urine when it is first produced. As it accumulates in the bladder, so does the overall concentration of nitrogen.
What limits the maximum possible urine concentration?
Water
What factor limits the maximum possible urine concentration?
The maximum urine concentration is limited by the osmotic gradient between the kidney tubules and the surrounding interstitium. The ability to concentrate urine depends on the proper functioning of the kidney's loop of Henle and collecting ducts to establish and maintain this osmotic gradient. Additionally, factors such as hydration status and certain medical conditions can also affect the maximum urine concentration.
What effect does the concentration gradient of the interstitial fluid have on the maximum urine concentration?
The concentration gradient of the interstitial fluid affects the osmolarity of the renal medulla. A steeper concentration gradient allows for more concentration of urine by the kidneys, as the gradient drives water reabsorption in the collecting ducts, leading to concentrated urine production.
What occurs when the plasma concentration of a substance exceeds tubular maximum?
The amount of substance that exceeds the tubular maximum will be found in the urine.
What drugs are being tested for in urine and what are the acceptable limits?
I don't know the limits but they test urine for marijuana
When does glucose concentration in urine become zero?
The normal glucose concentration in urine ranges from 0 to 15 mg/dL. The glucose concentration in urine becomes zero when no glucose has spilled over into the urine.
How does ADH affect the concentration of potassium in urine?
ADH, or antidiuretic hormone, increases water reabsorption in the kidneys, leading to more concentrated urine. As water is reabsorbed, the concentration of solutes in the urine, including potassium, increases. Therefore, ADH indirectly affects the concentration of potassium in urine by influencing the overall concentration of solutes.
What happened to the urine volume as the concentration gradient increased?
As the concentration gradient increases, the urine volume typically decreases. This is because a higher concentration gradient drives more water reabsorption in the kidneys, resulting in a lower urine volume being produced.
Where can find lowest concentration of nitrogen in urine?
The lowest concentration of nitrogen can be found in the urine when it is first produced. As it accumulates in the bladder, so does the overall concentration of nitrogen.
How do you measure urine concentration?
Urine concentration can be measured using a urine specific gravity test or a urine osmolality test. These tests help to assess the amount of solutes in the urine, which reflects the kidneys' ability to concentrate urine. High concentration levels may indicate dehydration, while low levels may suggest overhydration or kidney issues.
Why drugs may affect urine concentration?
Drugs may affect urine concentration because it can make your urine a destorted colour and the production will come out more darker and inefficent.
What does c mean on urine a urine test?
The 'c' on a urine test typically refers to the concentration of the urine sample. This concentration is measured to assess the urine's specific gravity or how dilute or concentrated it is. It can indicate hydration levels or certain medical conditions.
