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Anemia megaloblástica Flashcards

(8 cards)

1
Q

Qual a fisiopatologia da Anemia megaloblástica?

A

Defeito no DNA torna as divisões lentas,a célula aumenta de tamanho mas não sofre divisão

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2
Q

Qual a diferença entre anemias macrocíticas e anemias megaloblástica?

A

As macrocíticas possuem um VCM alto

A megaloblástica é um tipo de anemia macrocítica

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3
Q

Quais as classificações das anemias macrocíticas?

A

Macrocíticas megaloblásticas x macrocíticas não megaloblástica

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4
Q

O que é a eritropoiese ineficaz?

A

É a destruição dos megaloblastos pelos macrófagos dentro da medula

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5
Q

Quais as causas de anemia megaloblástica?

A

Deficiência de ácido fólico e de Vit. B12

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6
Q

Principal fonte de ácido fólico?

A

Vegetais verdes

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7
Q

O folato é absorvido aonde?

A

no duodeno e no jejuno proximal(mesmo local que o Fe)

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8
Q

Quais as principais fontes de Vit. B12(cobalamina)?

A

Carnes,ovos e leites

Vegetarianos precisam de suplementação

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