Regulation of Erythropoiesis in Physiology
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main principle constituent of the hemoglobin molecule?

  • Vitamin B12
  • Thyroxine
  • Copper
  • Iron (correct)

    • Which substances are essential for normal formation of DNA and cell division during red blood cell maturation?

  • Proteins
  • Copper and cobalt
  • Iron
  • Vitamin B12 and folic acid (correct)

    • Which hormone increases erythropoietin secretion?

  • Glucocorticoids
  • Follic acid
  • Estrogen
  • Catecholamines (correct)

    • What stimulates erythropoiesis?

    <p>Hypoxia</p> Signup and view all the answers

    What is the role of hepcidin in iron absorption?

    <p>Inhibits ferroportin transporter</p> Signup and view all the answers

    What is the significance of vitamin B12 and folic acid in erythropoiesis?

    <p>They are required for the maturation of red blood cells</p> Signup and view all the answers

    What is the main function of regulating the RBC count in the circulation?

    <p>To ensure a sufficient number of RBCs for adequate oxygen transport</p> Signup and view all the answers

    What is the role of the liver in erythropoiesis?

    <p>Storage of iron and vitamin B12</p> Signup and view all the answers

    Which organ secretes the majority of erythropoietin hormone?

    <p>Kidneys</p> Signup and view all the answers

    Why do deficiencies of either folate or B12 produce the same type of anemia?

    <p>They both impair the maturation of red blood cells</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser