Blood Grouping and Cross Matching in Medicine
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Questions and Answers

In the ABO blood typing system, which antigen is considerably more antigenic than the others?

  • Type D antigen (correct)
  • Type C antigen
  • Type E antigen
  • Type c antigen

What is the direct result of agglutination in transfusion reactions?

  • Decreased plasma volume
  • Normal blood flow throughout the circulatory system
  • Hemoglobin release into the plasma (correct)
  • Increased red blood cell production

When type B agglutinogen is not present in a person’s red blood cells, what antibodies develop in the plasma?

  • Anti-E agglutinins
  • Anti-B agglutinins (correct)
  • Anti-D agglutinins
  • Anti-A agglutinins

What causes acute kidney shutdown after transfusion reactions?

<p>Production of toxic substances (D)</p> Signup and view all the answers

What is the main characteristic of Erythroblastosis Fetalis (“Hemolytic Disease of the Newborn”)?

<p>Agglutination and phagocytosis of RBCs (B)</p> Signup and view all the answers

What is the function of the type O gene in determining blood type?

<p>It causes no significant type O agglutinogen on the cells (D)</p> Signup and view all the answers

Which genes determine the O-A-B blood type?

<p>Two genes on paired chromosomes (D)</p> Signup and view all the answers

What are the antigens that occur on the surfaces of red blood cells?

<p>Type A and Type B (B)</p> Signup and view all the answers

What causes most blood transfusion reactions?

<p>Antigens (agglutinogens) on the red blood cells (A)</p> Signup and view all the answers

What is an antigen?

<p>A molecule capable of stimulating an immune response (A)</p> Signup and view all the answers

What is the main focus of anatomy?

<p>Studying the structure and organization of living organisms (C)</p> Signup and view all the answers

Which discipline helps to explain how organisms sense and respond to different stimuli?

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

What is the study of the chemical processes and substances that occur within living organisms?

<p>Biochemistry (B)</p> Signup and view all the answers

Which subdiscipline is concerned with the functioning of plants?

<p>Plant physiology (C)</p> Signup and view all the answers

Which discipline focuses on the study of heredity and the variation of traits within and between populations?

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

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