Red Blood Cells and Hemoglobin Overview
18 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 primary function of the biconcave disc shape of red blood cells?

  • To facilitate the transportation of oxygen and carbon dioxide
  • To increase the lifespan of red blood cells
  • To increase the surface area to volume ratio (correct)
  • To allow red blood cells to stack up and bend

    • Which of the following is NOT a characteristic of a red blood cell?

  • Lacks the ability to repair itself
  • Has a short lifespan of around 120 days
  • Possesses a nucleus and organelles (correct)
  • Contains approximately 280 million hemoglobin molecules

    • What is the role of hemoglobin in red blood cells?

  • To provide structural support to the cell
  • To regulate the pH of the blood
  • To facilitate the production of new red blood cells
  • To bind to oxygen and transport it throughout the body (correct)

    • What is the primary stimulus for the production of erythropoietin (EPO)?

    <p>Decreased oxygen levels in the body</p> Signup and view all the answers

    What is the role of vitamin B12 in the process of erythropoiesis?

    <p>It is necessary for normal stem cell divisions</p> Signup and view all the answers

    What is the role of the intrinsic factor produced in the stomach during erythropoiesis?

    <p>It is required for the absorption of vitamin B12</p> Signup and view all the answers

    Which of the following is NOT a function of red blood cells?

    <p>Participating in immune responses</p> Signup and view all the answers

    What is the primary site of erythropoiesis (red blood cell production)?

    <p>Bone marrow</p> Signup and view all the answers

    What is the primary function of hemoglobin in red blood cells?

    <p>Oxygen transport</p> Signup and view all the answers

    Which of the following plasma proteins is involved in the clotting process?

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

    What is the primary function of hematocrit?

    <p>Assessing the proportion of red blood cells in blood</p> Signup and view all the answers

    Which of the following is NOT a component of the red blood cell structure?

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

    Which of the following is the correct sequence of erythropoiesis?

    <p>Proerythroblast &gt; Basophilic Erythroblast &gt; Polychromatophilic Erythroblast &gt; Normoblast &gt; Reticulocyte &gt; RBC</p> Signup and view all the answers

    What is the fate of the protein portion of hemoglobin in old RBCs?

    <p>It is broken down into amino acids</p> Signup and view all the answers

    Which of the following statements about iron recycling is correct?

    <p>Iron binds to transferrin and returns to bone marrow where it can be used to make new hemoglobin</p> Signup and view all the answers

    What is the final product of heme breakdown in the hemoglobin recycling process?

    <p>Urobilin and stercobilin</p> Signup and view all the answers

    Which condition can result from problems with iron uptake or recycling?

    <p>Iron deficiency anemia</p> Signup and view all the answers

    Which of the following is a characteristic of white blood cells (WBCs)?

    <p>All of the above</p> Signup and view all the answers

    More Like This

    Hemoglobin Synthesis and Structure
    12 questions

    Hemoglobin Synthesis and Structure

    SereneSerpentine3409 avatar
    SereneSerpentine3409
    Hemoglobin Structure and Function Quiz
    24 questions

    Hemoglobin Structure and Function Quiz

    WellRunConnemara5017 avatar
    WellRunConnemara5017
    Hemoglobin and Oxygen Transport
    26 questions

    Hemoglobin and Oxygen Transport

    ExhilaratingChicago avatar
    ExhilaratingChicago
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser