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ALDOSTERONE
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What hormone regulates Na plus and K plus ion concentration?
aldosterone
What bonds is the strongest Na-I or Na-Cl or K-I or K-Cl?
In neurons, ________ ions are at higher concentration inside the cell and ________ ions are at higher concentration in the extracellular fluid. A) Cl; organically bound B) Cl; K C) K; Na D) Cl; Na E) Na; K
Which channel maintains the concentration gradients of ions across a neuronal membrane?
The sodium- potassium pump pump moving Na+ ions out and K+ ions in
The cytoplasm of a certain cell such as a neuron which already has a high concentration of k plus ions can continue to take k plus ions up into the cell this is the result of?
Active Transport
What is osmotic alterations?
Osmotic alterations can be defined as the fragility of the red blood cells in hypo and hyperthyroid patients. Changes in the concentration of the thyroid hormone can affect Na+K+ATPase number and activity and the phpspholipid composition of the cell membranes.
What hormone regulates Na plus and K plus ion concentration?
aldosterone
What bonds is the strongest Na-I or Na-Cl or K-I or K-Cl?
In neurons, ________ ions are at higher concentration inside the cell and ________ ions are at higher concentration in the extracellular fluid. A) Cl; organically bound B) Cl; K C) K; Na D) Cl; Na E) Na; K
Which channel maintains the concentration gradients of ions across a neuronal membrane?
The sodium- potassium pump pump moving Na+ ions out and K+ ions in
The cytoplasm of a certain cell such as a neuron which already has a high concentration of k plus ions can continue to take k plus ions up into the cell this is the result of?
Active Transport
What is the concentration of K plus ions in a 0.025 M K2CO3 solution assuming complete dissociation?
K2CO3 ==> 2K^+ + CO3^2-0.025 M K2CO3 = 2 x 0.025 M K^+ = 0.05 M concentration of K+ ions.
The ph of lemon juice at 298 k is found to be 2.32 what is the concentration oh H3O plus ions in the solution?
If the PH of lemon juice at 298 k is found to be 2.32, the concentration of H3O plus ions in the solution would be 0.5 M.
What is the molar concentration of K ions in a 0.0175 M solution of potassium phosphate?
0,052 moles
Would an aqueous solution of K2SO4 contain ions?
Yes. The ions would be K+(aq) + OH -(aq)
What is osmotic alterations?
Osmotic alterations can be defined as the fragility of the red blood cells in hypo and hyperthyroid patients. Changes in the concentration of the thyroid hormone can affect Na+K+ATPase number and activity and the phpspholipid composition of the cell membranes.
What is the OH 1 in a 0.0001 M solution of HCl?
From the equilibrium of water dissociation, kW is equal to the product of hydrogen ions and hydroxyl ions. The hydrogen ion concentration is 1x10^(-4). Hence, at 298 K, the hydroxyl ion concentration would be 1x10^(-10).
What does the difference in the K and Na concentration on either side of the plasma membrane (and permeability of the membrane to those ions) generate?
Resting membrane Potential
What is the concentration of sodium ions inside the cell is usually than the concentration of sodium ions outside the cell?
Extracellulary, Sodium is major ion. Intracellular concentration of sodium is: 12 mEq/L Extracellular concentration of sodium is: 140 mEq/L Intracellularly, Potassium is major ion. Intracellular concentration of Potassiumis: 140 mEq/L Extracellular concentration of Potassiumis: 3.5-5 mEq/L These concetrations are maintained by Na+/K+ ATPase.
