METABOLISMO Flashcards

1
Q

Valores normales de hierro sérico

A

H: 65-175
M: 50-170

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2
Q

Valor de saturación de hierro

A

15-20%

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3
Q

Número de ADP que se consume en el metabolismo del eritrocito

A

2 ADP

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4
Q

Cuántos mg de Fe se absorben

A

1-2 mg

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5
Q

Célula que no tiene receptores de transferrina

A

Enterocito

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6
Q

Es la proteína por donde saca el hierro de la célula

A

Ferroportina

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7
Q

hormona que se activa por incremento de hierro serico

A

Hepcidina

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8
Q

ácido en el que se encuentra la pepsina

A

ácido clorhídrico

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9
Q

acción de la pepsina

A

separa a la b12 del alimento

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10
Q

enzima que transporta a la B12 hacia el hígado

A

transcobalamina II

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11
Q

el ácido fólico entra al organismo en forma de

A

poliglutamato

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12
Q

el ác fólico llega al enterocito del yeyuno en forma de

A

5-metil-tetrahidrofolato

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13
Q

sustancia que separa a la b12 del bolo alimenticio

A

ácido clorhídrico

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14
Q

enzimas que hacen más resistentes a la b12

A

cobalafinas

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15
Q

el factor intrínseco se produce en

A

estómago

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16
Q

sustancia encargada de transportar a la b12 al hígado para su almacenamiento

A

transcobalamina II