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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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B cell functions is tested by all of the following except?
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The correct answer is  measurement of CH 50 is the best screening test for defiency of classical and terminal pathways.hemolytic activity of compliment system is measured as the hemolysis of sheep erythrocytes sensitised by specific antibodies.the degree of hemolysis is measured by CH 50 REF:HARRISONS PRINCIPLE&;S OF INTERNAL MEDICINE 18TH EDITION