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Which substance directly controls the reabsorption of water from the collecting ducts?
Antidiuretic hormone (ADH), also known as vasopressin, directly controls the reabsorption of water from the collecting ducts in the kidneys. ADH acts on the aquaporin water channels in the collecting duct cells to increase water reabsorption back into the bloodstream, helping to concentrate the urine and conserve water.
The hormone ADH affects reabsorption in the glomerulus?
Antidiuretic hormone (ADH), also known as vasopressin, primarily affects water reabsorption in the kidneys, but it does not directly influence reabsorption in the glomerulus. Instead, ADH acts on the collecting ducts of the nephron, increasing their permeability to water, which enhances water reabsorption back into the bloodstream. This action helps regulate body fluid balance and concentrate urine, particularly in response to dehydration or high osmolarity.
Is it possible for the kidney to increase water reabsorption without increasing salt absorption Explain?
Yes, it is possible for the kidney to increase water reabsorption without increasing salt absorption. This can occur through the action of antidiuretic hormone (ADH), which promotes the reabsorption of water in the collecting ducts without directly affecting sodium reabsorption. In conditions such as hyperosmolarity, the kidneys can concentrate urine by reabsorbing more water, while sodium levels in the body remain stable. Thus, water reabsorption can be enhanced independently of sodium absorption.
How does sodium reabsorption affect water reabsorption?
Sodium reabsorption in the kidneys creates an osmotic gradient that drives water reabsorption. As sodium is reabsorbed into the bloodstream, water follows it to maintain the body's electrolyte balance and fluid volume. Therefore, sodium reabsorption directly influences the reabsorption of water in the kidneys.
What conditions are treated by bone re-absorption inhibitors?
Bisphosponates acts directly to inhibit bone reabsorption
Why is a mass loss method more accurate than collecting gas?
The mass loss method is more accurate because every unit of the substance that has been subject to reaction is measured. Collecting gas leaves a mass of the substance between the liquid and the gas collection apparatus.
Which ion directly controls the contraction of muscles?
calcium
The node that directly controls contraction of the atria is?
Sinoatrial node
What directly controls how cells are formed all their activites?
The dna
What is the job of the dna?
DNA directly controls protein replication and synthesis.
The independent variable is associated mainly with?
the treatment that the researcher controls directly.
Is there a substance that can change directly from a gas to a solid?
KAPOOR
