Blood Typing Basics
A worksheet covering the fundamentals of blood typing, including ABO and Rh systems, antigens, antibodies, and transfusions for Grade 9 Science.
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Blood Typing Basics
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. The ABO blood group system is based on the presence or absence of on the surface of red blood cells.
2. Individuals with Type O blood are considered donors because their red blood cells have no A or B antigens.
3. The Rh factor is another important antigen, and its presence makes a blood type .
4. If a person with Type A blood receives Type B blood, their immune system will produce against the B antigens.
5. Which of the following blood types is known as the universal recipient?
Type O-
Type A+
Type AB+
Type B-
6. What is the primary function of antibodies in blood typing?
To carry oxygen
To clot blood
To identify and neutralize foreign antigens
To transport nutrients
7. A person with AB blood type has both A and B antigens on their red blood cells.
True
False
8. Agglutination is the clumping of red blood cells, which is a desired outcome during a blood transfusion.
True
False
9. Explain why it is crucial to match blood types before a blood transfusion.
10. Describe the difference between an antigen and an antibody in the context of blood typing.
Observe the diagram of blood cells below and answer the question.
11. Based on your knowledge of blood typing, which of these cells are primarily responsible for carrying antigens that determine blood type?
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