semana 15- HIERRO, COBRE ,ZINC, YODO
Quiz
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Science, Mathematics, Biology
•
University
•
Easy
NUTRICIÓN HUMANA
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El hierro existe en dos estados de oxidación biológicamente relevantes: la forma ferrosa (Fe2+ ) y la forma férrica (Fe3+ ).
VERDADERO
FALSO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El Fe puede ser almacenado en ferritina o ir a la circulación a través de ferroportina.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El hierro es almacenado en forma de ferritina.
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El hierro ferroso se oxida a Fe 3 + por la hefestina y transportado por la circulación en la transferrina .
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La vitamina C potencia fuertemente la absorción del hierro no hemo al reducir el hierro férrico dietario (Fe3+) a hierro ferroso (Fe2+), y al formar un complejo absorbible de hierroácido ascórbico.
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carne, aves de corral, y pescado: Además de aportar hierro hemo altamente absorbible, la carne, el pescado y las aves de corral también estimulan la absorción de hierro no hemo.
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los ácidos cítrico, málico, tartárico y láctico tienen algunos efectos estimulantes sobre la absorción de hierro no hemo.
Verdadero
Falso
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