Understanding Blood Typing Basics

What are the four main blood types in the ABO blood group system?

• A, B, AB, O

• A, B, C, D

• A, AB, O, OO

• A, B, O, OO

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DOK Level 1: Recall

Explain why a person with type O blood is considered a universal donor.

• Type O blood lacks A and B antigens, preventing immune reactions in recipients.

• Type O blood has both A and B antigens, making it compatible with all blood types.

• Type O blood contains Rh factor, which is compatible with all blood types.

• Type O blood has a unique antigen that matches all other blood types.

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DOK Level 3: Strategic Thinking

Which antigen is present in Rh-positive blood?

• A antigen

• B antigen

• Rh antigen

• O antigen

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DOK Level 1: Recall

Describe the procedure for determining a person's blood type.

• Mixing blood with anti-A and anti-B antibodies and observing agglutination.

• Mixing blood with saline solution and observing color change.

• Heating blood and observing coagulation.

• Centrifuging blood and measuring density.

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DOK Level 2: Skill/Concept

Why is it important to match the Rh factor in blood transfusions?

• To prevent the recipient's immune system from attacking the donor blood.

• To ensure the blood is the same color.

• To match the blood's viscosity.

• To ensure the blood has the same pH level.

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DOK Level 2: Skill/Concept

What could happen if a person with Rh-negative blood receives Rh-positive blood?

• The recipient's immune system may produce antibodies against the Rh antigen.

• The recipient will have increased energy levels.

• The recipient's blood will change to Rh-positive.

• The recipient will experience no reaction.

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DOK Level 3: Strategic Thinking

Which blood type is considered the universal recipient?

• Type A

• Type B

• Type AB

• Type O

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DOK Level 1: Recall

How does the presence of Rh factor affect blood typing?

• It determines whether the blood type is positive or negative.

• It changes the blood type from A to B.

• It makes the blood type universal.

• It has no effect on blood typing.

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DOK Level 2: Skill/Concept

Plan a strategy for a hospital to ensure safe blood transfusions for patients with rare blood types.

• Establish a registry of rare blood type donors and maintain a stock of rare blood types.

• Use only type O blood for all transfusions.

• Avoid transfusions for patients with rare blood types.

• Use synthetic blood for all patients.

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DOK Level 3: Strategic Thinking

What is the primary reason for performing blood typing before a transfusion?

• To ensure compatibility and prevent adverse reactions.

• To determine the patient's diet.

• To assess the patient's health.

• To measure blood pressure.

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DOK Level 1: Recall