DIGESTION 3 ALIMENTOS Flashcards

1
Q

Proceso por el cual.

A

Condensación

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2
Q

Particulas medianas y pequeñas absorbibles

A
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3
Q

Fuentes de hidrao de carbono:

A
  • Sacarosa & Lactosa (disacaridos)
  • Almidones
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4
Q

Digestión de Hidratos de Carbono

A

Hidrolisis - maltosa y pequeños polimeros como glucosa.
(por acción de la Lactosa, Sacarasa, Maltasa)
Duodeno- por enzima amilasa

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5
Q

Digestión Proteínas

A

Estomago-Pepsina (degrada colageno de la carne)
Duodeno & Yey- Tripsina & quimiotripsina (pequeños polipeptidos), Carboxilopeptidos,
Proelastasa.
Enterocitos- Aminoplopeptidasa, polipeptidasa -> me da aminoacidos (absorbibles)

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6
Q

Digestion de Grasas

A

Boca - Lipasa Lingual
Int. Delgado- emulsión grasa (la bilis reduce tramaño de globulos grasos)
Lipasa pancreatica (digiere trigliceridos)
Miccelas- sales biliares recubren acidos grasos, permute que se trasnporten por las superficies de celulas.

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7
Q

Contiene los pliegues de Kercking, vellocidades & microvellocidades que aumentan la sup. de absorción.

A

Intestino delgado

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8
Q

Abosrción de Na+ al día es de…

A

25-30 g

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9
Q

Absorción de Ca+ en el intestino esta regulada por…

A

Hormona paratiroidea

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10
Q

Absorción Hidratos de carbono

A

Glucosa & Galactosa - cotransportador de NA hace que pasen por membranas basolaterales. GLUT1 membr. basal +GLUT2 memb. capilar
Fructosa - Por GLUT5

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11
Q

Absorción Grasas

A
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12
Q

Absorción Proteínas

A
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13
Q

Capacidad de absorción Int. Delgado

A

8-9 L

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14
Q

Capacidad de absorción Int. Grueso

A

5-8 L
ABsorbe casi todo cloruro

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