Hematopoyesis 3 Flashcards

1
Q

Los principales fagocitos encargados de la destrucción de Hb son (3)

A

Kupffer
Macrófagos del bazo
Macrófagos de la MO

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2
Q

Qué hacen las células de kupffer?

A

Degluten el eritrocito y liberan el hierro

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3
Q

Qué pasa con el hierro que liberan las células de kupffer?

A

La transferrina se lo lleva a la MO

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4
Q

La porción de porfirina resultante de la degradación de la Hb se va en …

A

Las heces

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5
Q

Formas de la Hb (2)

A

Oxihemoglobina
Desoxihemoglobina

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6
Q

El % de saturacion de Hb con O2 depende de … (4)

A

CO2
2,3DPG
pH
Temperatura

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7
Q

Que es p50?

A

Presión de O2 requerida para saturar a un 50% la hemoglobina

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8
Q

P50 normal

A

25 - 27

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9
Q

Hb + CO2=

A

Carbaaminohemoglobina

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10
Q

Efecto Haldane ¿Qué es y dónde ocurre?

A

Desplazar CO2 para unir O2, ocurre en el alveolo

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11
Q

Efecto Bohr ¿Qué es y dónde ocurre?

A

CO2 desplaza al O2, ocurre en el tejido al que llega el eritrocito.

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12
Q

Hematocrito en Hombres

A

50-40%

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13
Q

Hematocrito en mujeres

A

37-47%

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14
Q

Diagrama de fisio

A

Ver

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