Bioquimica Flashcards

1
Q

Composicion de la Membrana Celular

A

55% proteinas 25% Fosfolipidos 13% colesterol entre otros

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2
Q

Anfipatico

A

Posee una cara Polar y no polar ( Hidrofobica/ Hidrofilica)

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3
Q

Osmolalidad

A

Concentracion de todos los solutos

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4
Q

Tonicidad

A

Concentracion de los solutos efectivos para el desplazamiento del agua

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5
Q

Soluto efectivo

A

Aquel que al añadirse o retirarse obliga al agua a entrar o salir de la celula

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6
Q

Solutos No efectivos

A

UREA y Glucosa. Contribuyen a la Osmolalidad.

Pero no generan desplazamiento hidrico

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7
Q

Causas de Hipovolemia Renal

A

Absoluta( Diuretico, sx, Bartter, sx Gittelman, Enf tubulares, Sx postobstructivo, Endocrinopatias

Relativo Sx nefrotico

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8
Q

Causas de Hipovolemia Extrarrenal

A

Absoluta ( Hemorragia, Perdidas GI, Perdidas insensibles=

Relativa ( Tercer espacio, Sepsis, Edema)

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9
Q

Calculo de Osmolaridad

A

( 2Na + (BUN/2.8)) + (Glucosa/18)

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10
Q

Hiponatremia Hipervolemica

A

Dilucional. ICC, Cirrosis+ ascitis, Insuficiencia Renal

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11
Q

Hiponatremia Normovolemica

A

SIHAD, Hipotiroidismo, Embarazo

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12
Q

Hiponatremia Hipovolemica

A

Perdidas GI, Perdidas insesibles, Diureticos tiazidicos, soluciones Hipotonicas Sx de perdida cerebral de Sal

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