Explain the role antigens and antibodies play with each of the ...

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Explain the role antigens and antibodies play with each of the four blood types.
 
  What will be an ideal response?

Question 2

A small area behind the abdominal cavity that is filled with fatty tissues around the kidney is known as the ________.
 
  A) peritoneal cavity
  B) abdominopelvic cavity
  C) retroperitoneal space
  D) flank

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Answer to Question 1

The antigens are located on the surface of the red blood cells and the antibodies are in the blood plasma. Individuals in the A group have the A antigen on the surface of their red blood cells and anti-B antibody in the blood plasma; B group has the B antigen and the anti-A antibody; AB group has both A and B antigens and no anti-A or anti-B antigens; and group O has neither A nor B antigens and has both anti-A and anti-B antibodies. Type AB blood group is known as the universal recipient and type O as the universal donor.

Answer to Question 2

C
Explanation: A) There is no such thing as the peritoneal cavity. The peritoneum is the membrane that lines the abdominal cavity.
B) The abdominopelvic cavity is the combination of the abdominal and pelvic cavities.
C) Correct Retro- means backward; behind.
D) The flank is an area of the back.