1. Blood Type Lab

2. What are the 4 blood types?

3. What are the protein markers on the surface of these RBCs called? ANTIGENS

4. What are some situations that require knowing a person’s blood type? Transfusions Organ donation Pregnancy Criminal investigations

5. If the wrong blood types are mixed what happens? Agglutination = clotting

6. Today you will test the “blood” of 4 people. Carefully follow directions to determine the blood type of each person.

7. Agglutination? Look for precipitated, solid specks If clumping occurs write a + in the well If not write a - in the well

12. 1.Can Mr. Jones donate blood safely to Mr. Green? B- to AB+ YES – B is not foreign to AB

13. 2. Can Mr. Green donate blood safely to Mr. Jones? AB+ to B- No – A of AB would be foreign to B

14. 3.Which person could donate safely to anyone? Ms. Brown She is O- so her RBCs have no antigens and would not cause any agglutination.

15. 4.List situations where blood typing could be used. Pregnancy Transfusions Organ donations Paternity Criminal investigations

16. 5.What complications can occur in a patient that receives the wrong blood type? Clotting can cause heart attack, stroke or tissue damage.