The study of interaction of antigen and antibodies in blood is ___________?
Correct answer: B. serology
- A. etiology
- B. serology
- C. ecology
- D. histology
Explanation
Serology is the study of blood serum, especially the antibodies and antigens found in it and their reactions. Students may choose histology because it also ends in '-logy', but histology deals with tissues rather than immune reactions in serum. Etiology concerns the causes of disease, while ecology concerns organism-environment interactions.
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