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Aldosterone. Aldosterone acts on the Na+/K+ ATPase pump in the Distal Proximal Tube/Collecting duct in the kidney. Importantly, when this pump action is up-regulated, Na+ re-absorption goes up along with WATER, which is recovered with the sodium ions.
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Which hormone promotes a decrease in blood pressure and a loss of sodium and water in urine?
atrial natriuretic peptide (ANP)
Why does sodium Na ions have a charge of plus 1?
Because sodium loss only one electron from the outer electron shell and become a cation with the charge +1.
Atoms that have an electrical charge due to a gain or loss of electrons are called what?
Ions. Cations have lost electrons and have a positive charge. Anions have gained electrons and have a negative charge.
How many electrons are lost by 42 g of sodium when its atom are oxidized to ions?
The ion sodium is Na + so we have a one to one loss and can just find the atoms of sodium in the mass. 42 grams sodium (1 mole Na/22.99 grams)(6.022 X 1023/1 mole Na) = 1.1 X 1024 atoms of sodium -----------------------------------------now, Every atom of sodium donates one electron to become a sodium ion. So. We have.....1.1 X 1024 .......electrons lost by 42 grams of sodium ionized.
Do metals prefer to be oxidized or reduced?
Metals all prefer to loose electrons (sodium -> Na+, Fe - > Fe3+ etc.) S they prefer to be oxidised (oxidation is electron loss).
What is the hormone that reduces the loss of sodium and water by the kidney?
Aldosterone
What hormone causes the kidneys to reabsorb sodium and water?
Vasopressin and ANP reduce water loss in urine. I don't remember which hormone reduces sodium loss in urine.
True or false caffeine increases the loss of sodium ions thus increasing the loss of water?
True
What hormones prevents excessive water loss by promoting water reabsorption in the collecting duct?
antidiuretic hormone
Does up-regulation involve the loss of receptors and prevents the target cells from overreacting to persistently high hormone levels?
I think is down-regulation because a decrease in receptors will occur so less hormone can bind the cell.
How do you correct blood sodium level?
sodium level in the body is controlled by a hormone called aldosterone which is made by adrenal glands small amount of sodium also loss by sweating.
Which hormone promotes a decrease in blood pressure and a loss of sodium and water in urine?
atrial natriuretic peptide (ANP)
What is depolarizing?
loss of polarization; especially : loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior
Why does sodium Na ions have a charge of plus 1?
Because sodium loss only one electron from the outer electron shell and become a cation with the charge +1.
What is the effect of alcohol to antidiuretic hormone secretion?
Ethyl Alcohol prevents the secretion of Anti-diuretic hormone from the the posterior pituitary, resulting in water and sodium loss and subsequent diuresis.
What is an antidiuretic hormone test?
Antidiuretic hormone (ADH) test, also called the Vasopressin test, is a test for the antidiuretic hormone, which is released from the pituitary gland and acts on the kidneys to increase their reabsorption of water into the blood.
A thermos bottle has a shiny interior What type of heat transfer does it prevent?
It prevents heat loss through radiation.It prevents heat loss through radiation.It prevents heat loss through radiation.It prevents heat loss through radiation.
