Erythrocyte Structure and Function
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Questions and Answers

Which organ primarily produces and secretes erythropoietin?

  • Spleen
  • Kidneys (correct)
  • Liver
  • Heart

What enzyme found in erythrocytes accelerates the combination of carbon dioxide and water?

  • Amylase
  • Pepsin
  • Carbonic anhydrase (correct)
  • Lactase

What is the main factor that stimulates erythrocyte production?

  • Hemoglobin concentration
  • Erythropoietin hormone (correct)
  • Carbonic anhydrase enzyme
  • Hypoxia

What is the most important function of erythrocytes?

<p>Transporting hemoglobin (A)</p> Signup and view all the answers

What is responsible for 50% of the buffering power of whole blood?

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

What stimulates erythrocyte production in the body?

<p>Hypoxia and anemia (C)</p> Signup and view all the answers

What is the primary function of hemoglobin in erythrocytes?

<p>To transport oxygen from the tissues to the lungs (C)</p> Signup and view all the answers

Where is the majority of the iron stored in the body?

<p>In the liver as ferritin and hemosiderin (D)</p> Signup and view all the answers

What happens to aged erythrocytes in the body?

<p>They are absorbed by macrophages in the liver and spleen (C)</p> Signup and view all the answers

What determines normal erythrocyte production in the body?

<p>Genetically normal precursor cells, functional bone marrow, and regular intake of essential nutrients (B)</p> Signup and view all the answers

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