A person develops antiA antibodies only after he is exposed

A person develops anti-A antibodies only after he is exposed to antigen A, and anti- B antibodies only after he is exposed to antigen B. True False Incompatibility of one person\'s blood with another results from the action p antibodies against the RBCs\' antigens. True False Rh incompatibility between a sensitized Rh^+ woman and an Rh^- fetus can cause hemolytic disease of the newborn. True False Circulating WBCs spend most of their lives in the bloodstream. True False Lymphocytes secrete antibodies, coordinate action of other immune cells, and serve in immune memory. True False Monocytes differentiate into large phagocytic cells. True False

Solution

7. True

8. True

9. False. Rh negative fetus has no Rh factor to induce antibody reaction in either Rh positive or Rh negative mother.

10. True

11. True

12. True