Equilibrio acido base Flashcards

1
Q

Acido es

A

Sustancia que dona H+

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2
Q

Base es

A

Sustancia que acepta H+

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3
Q

PH intervalos compatibles con la vida

A

6.8-7.45

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4
Q

PH orina

A

4.5-8

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5
Q

Formula calculo de PH

A

-log(H)

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6
Q

Amortiguador más importante en la acidosis aguda

A

HCO3 bicarbonato

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7
Q

Un amortiguador es

A

es cualquier sustancia capaz de unirse de manera reversible a los H+

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8
Q

Si el ph disminuye a 7 _________

A

la frecuencia respiratorio aumenta 4-5 veces su valor normal

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9
Q

amortiguador más importante en el sistema urinario en la acidosis CRÓNICA

A

Amoniaco

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10
Q

En la nefrona se secretan 2 moleculas de NH4 y se reabsroben __________

A

2HCO3

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11
Q

El 95% de reabsorción de HCO3 en la nefrona tiene lugar en

A
  • asa de henla
  • Tubiulos proximales
  • inicio tubulos distales
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12
Q

En la nefrona hay equilibrio de ph mediante 3 mecanismos

A

-Secreción de H+
• Reabsorción de HCO3
• Producción de nuevos HCO3

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