Hemograma Flashcards

1
Q

Da onde vem o estímulo para produção de hemácias

A

Eritropoetina - Rim

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2
Q

Quais são as principais matérias primas para produção de hemácias

A

ácido fólico, ferro, vitamina b12

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3
Q

Ciclo de vida das hemácias

A

pró-eritroblasto –> reticulócito –> hemácia

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4
Q

Pro-eritroblasto perde o

A

núcleo

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5
Q

O que reticulócitos informam

A

potencial da medula

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6
Q

Processo que baço faz de retirada de hemácias velhas

A

hemocaterese

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7
Q

Composição da Hemoglobina

A

Heme - ferro + protoporfirina
Globina - 2 cadeias alfa e 2 cadeias beta

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8
Q

Valor referência hemácias

A

3-6 milhões

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9
Q

VR Hb

A

12-17

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10
Q

VR HT

A

3x o valor da hb; 36-50%

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11
Q

VR leuco

A

5000-11000

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12
Q

VR plaquetas

A

150-400 mil

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13
Q

VR VCM e o que significa

A

80-100; tamanho das hemácias

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14
Q

VR HCM e CHCM

A

hcm 28-32
chcm 32-35
Cor da hemácia (hipocrômica/ normo/ hipercrômica)

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15
Q

VR RDW e o que significa

A

10-14% - hemácias do mesmo tamanho (umas comparadas a outras - controle de qualidade)

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16
Q

VR reticulócitos e quanto é hipoproliferativo/hiper

A

0,5 a 2%
hipoproliferativo < 2% –> anemia carencial, de doença crônica
> 2% - anemias hemolíticas/sangramento agudo