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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.
Is there a relationship between diaper performance and urine concentration?
Yes, there is a relationship between diaper performance and urine concentration. Higher urine concentration can lead to increased leakage and reduced absorbency in diapers, affecting their overall performance. It's important to choose diapers that can effectively handle varying levels of urine concentration to prevent leaks and keep the baby dry.
What is the difference between concentrated urine vs dilute urine?
Concentrated urine forms because ADH is present which absorbs water. As tubular fluid flows down the descending convulated tubule, the water osmotic decreases. As it flows through the ascending tubule the water osmotic increases, becasue water is impermeable in ther ascedning Loop of Henle, so while Na and K are being taken out, water is not. There is also a counter current flow that happens in the LOH.
How fast can urine drop in temperature?
Urine can drop in temperature fairly quickly after leaving the body, especially in colder environments. However, the rate of temperature decrease can vary depending on factors like the initial temperature of the urine, the ambient temperature, and whether the urine is contained or spread out.
How is the calculation of creatinine clearance from 24 hour urine collections done?
There is a special device called a toilet hat that you place in the toilet. It fits under the rim. You pee in it, take it out and empty it into a special collection jug set aside specifically for this purpose. After collection of the 24 hour excreted urine,creatinine clearance (CrCl) is calculated using the formula CrCl= (Ucr x V)/ (SrCr x t) where Ucr is creatinine concentration in urine V is volume of urine in ml SrCr is creatinine concentration in the serum and t is the time period of urine collection
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.
When the concentration of ADH increases?
less urine is produced
What happend to the volume of urine as the solute concentration in the interstitial space was increased?
As the solute concentration in the interstitial space increases, the volume of urine produced by the kidneys typically decreases. This is because the higher solute concentration triggers the release of antidiuretic hormone (ADH), which increases water reabsorption in the kidneys, leading to a decrease in urine volume.
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.
Why does urine volume decrease as the gradient concentration increases?
As the concentration gradient increases, more water is reabsorbed by the kidneys, leading to concentrated urine with lower volume. This allows the body to conserve water and maintain proper electrolyte balance.
What happens to the volume and dilution of urine when alcohol is consumed?
Decreased ADH production increases urine volume and dilution.
What happens to the concentration of glucose in urine as the number of glucose carriers increase?
As the number of glucose carriers increase, the concentration of glucose in the urine will decrease. This is because more glucose is being reabsorbed by the kidneys back into the bloodstream, reducing the amount of glucose that gets excreted in the urine.
What happens as the concentration gradient of the intersititial fluid increases?
As the concentration gradient of the interstitial fluid increases, substances have a higher tendency to diffuse from areas of higher concentration to areas of lower concentration. This can affect various physiological processes such as nutrient uptake, waste elimination, and overall cell function.
How does the addition of ADH affect the concentration of potassium in the urine?
Anti-diuretic hormone (ADH) causes water to be absorbed from the urine back into the body. Everything else in the urine, including electrolytes such as potassium, is concentrated.
What happened to the volume of urine as the solute concentration in the interstitial space increased?
As the solute concentration in the interstitial space increases, the volume of urine tends to decrease. This is because the kidneys reabsorb more water from the filtrate to help maintain the body's fluid and solute balance.
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.
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.
