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In renal compensation of acidosis:Question 50Select one:a.large amounts of bicarbonate ions are excreted in the urineb.the rate of hydrogen ion secretion is reducedc.the kidney reabsorbs filtered bicarbonate ions, and also contributes additional bicarbonate ions to the bloodd.the rate of bicarbonate secretion is reducede.the kidneys facilitate excretion of hydrogen ions, with no change to blood bicarbonate concentration

Question

In renal compensation of acidosis:Question 50Select one:a.large amounts of bicarbonate ions are excreted in the urineb.the rate of hydrogen ion secretion is reducedc.the kidney reabsorbs filtered bicarbonate ions, and also contributes additional bicarbonate ions to the bloodd.the rate of bicarbonate secretion is reducede.the kidneys facilitate excretion of hydrogen ions, with no change to blood bicarbonate concentration

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Solution

Para responder a esta pregunta, es importante entender cómo los riñones compensan la acidosis. La acidosis es una condición en la que hay un exceso de ácido en el cuerpo, lo que lleva a una disminución del pH sanguíneo. Los riñones juegan un papel crucial en la regulación del equilibrio ácido-base.

Vamos a analizar cada opción:

a. "large amounts of bicarbonate ions are excreted in the urine" - Esto no es correcto, ya que excretar grandes cantidades de bicarbonato empeoraría la acidosis al reducir aún más la cantidad de bicarbonato en la sangre.

b. "the rate of hydrogen ion secretion is reduced" - Esto tampoco es correcto, ya que reducir la secreción de iones de hidrógeno aumentaría la acidosis.

c. "the kidney reabsorbs filtered bicarbonate ions, and also contributes additional bicarbonate ions to the blood" - Esta opción es correcta. En la compensación renal de la acidosis, los riñones reabsorben bicarbonato filtrado y también generan bicarbonato adicional para neutralizar el exceso de ácido.

d. "the rate of bicarbonate secretion is reduced" - Aunque esto podría ser parcialmente cierto, no es la respuesta más completa. La secreción de bicarbonato no es un mecanismo principal en la compensación de la acidosis.

e. "the kidneys facilitate excretion of hydrogen ions, with no change to blood bicarbonate concentration" - Esto no es correcto, ya que la excreción de iones de hidrógeno generalmente se acompaña de la reabsorción o generación de bicarbonato para equilibrar el pH sanguíneo.

Por lo tanto, la respuesta correcta es:

c. the kidney reabsorbs filtered bicarbonate ions, and also contributes additional bicarbonate ions to the blood

This problem has been solved

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