Paediatrics Nursing Quiz
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Questions and Answers

Which protein moiety is part of the complex hemoglobin molecule?

  • Tetramer
  • Globin (correct)
  • Iron
  • Heme groups

Where does hematopoiesis (formation of blood elements) occur primarily during the fetal period?

  • In the bone marrow
  • In the fetal kidney
  • In the yolk sac (correct)
  • In the liver

Which organ primarily regulates erythrocyte production through the hormone erythropoietin?

  • Spleen
  • Pancreas
  • Fetal liver
  • Fetal kidney (correct)

During the fetal period, which type of hemoglobin predominates?

<p>$Hb F$ (Fetal Hemoglobin) (C)</p> Signup and view all the answers

Where does extramedullary hematopoiesis occur during the fetal period?

<p>Liver (D)</p> Signup and view all the answers

When does the switch from gamma to beta synthesis of hemoglobin occur?

<p>$30-34$ weeks of gestation (B)</p> Signup and view all the answers

Which type of hemoglobin predominates during the fetal period?

<p>Fetal Hemoglobin (HBF) (A)</p> Signup and view all the answers

During which gestational week does the switch from gamma to beta synthesis of hemoglobin occur?

<p>$30-34$ weeks (D)</p> Signup and view all the answers

Which organ primarily produces the hormone erythropoietin for regulating erythrocyte production?

<p>Fetal kidney (C)</p> Signup and view all the answers

Which polypeptide chains make up the Hb A1 adult hemoglobin?

<p>$\alpha 2, \beta 2$ (C)</p> Signup and view all the answers

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