Dezechilibrele acido-bazice Flashcards

1
Q

ph-ul sangvin

A

7,38-7,42

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2
Q

Definiție de ph e?

A

logarithmul negativ a {H}

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3
Q

fizilogic ph de 7,4 concentratia de H+ e?

A

40nmol/L

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4
Q

cât de mult H+ există într-o dietă a adulților?

A

70-100mmol/l

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5
Q

sisteme de tampon include?

A

Proteine intracelulare ex. hemoglobina
componente tisulare ex carbonatul de calcui
fosfatul de calciu nivelul de osos
bicarbonat-acid carbonic generate de dioxide de hidratarea dioxidului de carbon

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6
Q

Adăugarea ionilor hidrogen deviaza reactia spre

A

dreapta scazand HCO3- si crescand PaCo2

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7
Q

henderson- Hasselbach ecuatia:

A

HCO3- scarede, H+ cresterre
H+=181xPaCO2(HCO3-)
181 coeficientul de disciere al acidului

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8
Q

henderson- Hasselbach ecuatia alternativa?

A

ph=pk+Log(hco3)/h2co3-)
pK=6,1

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9
Q

Cat bicarbonat se filtrează într-o zi?

A

4500mmol

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10
Q

tubule colector are 3 tipuri de celule

A

principale reabtia Na+ si H20+ secreta K+
recetori/ influnaldosteron

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11
Q

Mai multe patologii pot duce la acidoza metbolica:

A

Administrarea de acid
generarea de acid ex acidoza lactica
eliminare anormala de acid la nivel renal,
Pierderi de bicarbonat la nivelul gastrointestinal sa renal

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12
Q
A
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