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Blood Grouping and Cross Matching in Medicine

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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?

Production of toxic substances (D) Signup and view all the answers

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

Agglutination and phagocytosis of RBCs (B) Signup and view all the answers

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

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

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

Two genes on paired chromosomes (D) Signup and view all the answers

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

Type A and Type B (B) Signup and view all the answers

What causes most blood transfusion reactions?

Antigens (agglutinogens) on the red blood cells (A) Signup and view all the answers

What is an antigen?

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

What is the main focus of anatomy?

Studying the structure and organization of living organisms (C) Signup and view all the answers

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

Biophysics (D) Signup and view all the answers

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

Biochemistry (B) Signup and view all the answers

Which subdiscipline is concerned with the functioning of plants?

Plant physiology (C) Signup and view all the answers

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

Genetics (A) Signup and view all the answers