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The absorption of sodium affects the secretion of potassium by making it more difficult for the potassium to be permeable by blocking the areas it travels through.
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When sodium ions are reabsorbed in response to the action of aldosterone what do potassium ions do?
secreted
Which substances are normally secreted into the distal tubule?
The ions that are secreted by the distal convoluted tubule are potassium ions. These are secreted to better control the levels of potassium and sodium.
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.
Kidney has what electrolytes that balance blood?
Sodium and potassium are the electrolytes that maintain the proper blood balancing. These electrolytes are some times reabsorbed from the consumed food during the process of purification in the kidney.
Are bile salts reabsorbed?
yes
When sodium ions are reabsorbed in response to the action of aldosterone what do potassium ions do?
secreted
Which substances are normally secreted into the distal tubule?
The ions that are secreted by the distal convoluted tubule are potassium ions. These are secreted to better control the levels of potassium and sodium.
Which fluid is constantly secreted and reabsorbed through structures within the eye?
Aqueous Humor
If a substance is neither filtered reabsorbed nor secreted at the kidney where would you expect to find it?
blood in the renal vein
Is aldosterone secreted in response to low extracellular potassium?
False
What does it mean if the clearance value of glucose in urine is zero?
it means that it has been completely reabsorbed. none secreted via urine.
What hormone regulate potassium execration?
It is the hormone parathamone. It is secreted by parathyroid
What is reabsorbed in the proximal convoluted tubule?
Glucose, amino acids, [SOME of the following] phosphate, potassium, salt and water.
What is secreted when aldosterone is released?
It is secreted in the adrenal cortex, the same place where it is produced.
What is reabsorbed by the proximal convoluted tubule cells?
Glucose is totally reabsorbed via secondary active transport through co-transport channels driven by the sodium gradient out of the nephron
When sodium ions are reabsorbed because of aldosterone what do potassium ions do?
Aldosterone works to reabsorb sodium ions (and thereby water) at the expense of losing potassium ions. Ref: Marieb & Mitchell. A&P (9th ed.).
are potassium and hydrogen ions secreted at rates that vary inversely?
Yes, so if one increases the other will decrease.
