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What are occurs in the proximal tubule?
The regulation of pH of the filtrate is what occurs in the proximal tubule. The regulation occurs by exchanging hydrogen ions for bicarbonate ions. The proximal tubule is part of the duct system of the kidney.
Is bicarbonate considered a cation or anion?
Bicarbonate is an anion. Ions ending in -ate, -ite, or -ide are anions.
How is most of the carbon dioxide that enters the blood transported?
Most of the carbon dioxide that enters the blood is transported in the form of bicarbonate ions (HCO3-). Carbon dioxide reacts with water in the red blood cells to form carbonic acid, which then dissociates into bicarbonate ions and hydrogen ions.
Which reaction removes hydrogen ions from the blood?
The reaction that removes hydrogen ions from the blood is called the bicarbonate buffering system. In this system, carbonic acid (H2CO3) can bind with hydrogen ions to form bicarbonate ions (HCO3-) and water, effectively removing excess hydrogen ions from the blood.
What is the alkalinity of water containing 6 and 40mgl of carbonate and bicarbonate ions respectively?
The alkalinity of water containing carbonate and bicarbonate ions can be calculated by adding the concentrations of carbonate and bicarbonate ions together. In this case, the alkalinity would be 46 mg/L (6 mg/L of carbonate + 40 mg/L of bicarbonate).
What is the main buffer in the extracellular fluid?
The main buffer in the extracellular fluid is the bicarbonate buffer system, which consists of bicarbonate ions and carbonic acid. This system helps to regulate the pH of the blood by maintaining a balance between H+ ions and bicarbonate ions.
Are the principal ions in extracellular fluid sodium and chloride and bicarbonate?
Yes, the principal ions in extracellular fluid are sodium, chloride, and bicarbonate. Sodium and chloride are the major cations and anions, respectively, while bicarbonate helps regulate pH balance in the body.
Why the pH level of urine in the collecting duct is acidic?
The pH of urine in the collecting duct is acidic due to the secretion of hydrogen ions and reabsorption of bicarbonate ions. This process helps in maintaining the body's acid-base balance.
What are occurs in the proximal tubule?
The regulation of pH of the filtrate is what occurs in the proximal tubule. The regulation occurs by exchanging hydrogen ions for bicarbonate ions. The proximal tubule is part of the duct system of the kidney.
What does bicarbonate have to do with ions?
Sodium bicarbonate is dissociated in ions in a water solution:NaHCO3 = Na+ + (HCO3)-
Are there ions in baking soda?
Yes, baking soda (sodium bicarbonate) contains ions. When dissolved in water, it dissociates into sodium ions (Na+) and bicarbonate ions (HCO3-).
What counteracts the movement of bicarbonate ions from the RBC?
Chloride ions can counteract the movement of bicarbonate ions from red blood cells through a process known as the chloride shift. In this process, chloride ions move into the red blood cells as bicarbonate ions move out, helping to maintain electrochemical equilibrium and prevent excessive accumulation of bicarbonate in the plasma.
What ions will neutralize the chyme?
Bicarbonate
Is KHCO3 acidic or basic?
Potassium bicarbonate (KHCO3) is slightly basic in water, as it can dissociate to release bicarbonate ions which can accept protons (H+) to form bicarbonate ions.
Why hydroxide and bicarbonate do not coexist in a solution?
Hydroxide ions (OH-) and bicarbonate ions (HCO3-) do not coexist in the same solution because they can react with each other through acid-base reactions. When hydroxide ions combine with acidic hydrogen ions from the bicarbonate ions, water (H2O) and carbon dioxide gas (CO2) are formed, shifting the equilibrium in favor of either hydroxide or bicarbonate ions, but not both simultaneously in the same solution.
How does the process of sodium bicarbonate dissociation occur in a solution?
When sodium bicarbonate is added to water, it breaks apart into ions, specifically sodium ions and bicarbonate ions. This dissociation happens because water molecules surround and pull apart the sodium bicarbonate molecules, causing them to separate into their individual components.
What substances act as a buffer?
Substances that act as buffers include bicarbonate ions in blood, phosphate ions in intracellular fluid, and proteins in cells and blood. Buffers help maintain a stable pH by absorbing excess hydrogen or hydroxide ions.
