Sample Page

The page below is a sample from the MediaLab course, Introduction to the ABO Blood Group System.

Learn about Compliance & CE courses available for clinical laboratories and individual medical technologists.

Ungraded Practice Question

Why does agglutination (clumping) sometimes occur when red blood cells (RBCs) from one individual are mixed with serum from another?

Please select the single best answer

	Antigens in one person's serum may react with antibodies on the other person's RBCs.
	Antibodies in one person's serum may react with antigens on the other person's RBCs.
	The individuals may have different immunologic histories.

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