What medication prevents Rh-positive blood cells from being attacked in the case of an RH negative mother?

• A. RhoGAM
• B. Immunoglobulin therapy
• C. Antihistamines
• D. Rh immunization

Answer: (A)

RhoGAM is the medication specifically designed to prevent Rh-positive blood cells from being attacked when an Rh-negative mother is exposed to them. This situation often arises during pregnancy or after delivery if the baby inherits the Rh-positive factor from the father.

When Rh-negative mothers are exposed to Rh-positive blood (either through fetal blood cells crossing into the maternal circulation or during childbirth), they can develop antibodies against these Rh-positive cells, which poses a risk in future pregnancies. RhoGAM works by administering Rh immunoglobulin, which binds to the Rh-positive cells in the mother’s bloodstream, preventing her immune system from recognizing them and mounting an immune response. This proactive measure effectively protects both the current pregnancy and any future pregnancies from complications related to Rh incompatibility, such as hemolytic disease of the newborn.

The other options, such as immunoglobulin therapy, antihistamines, and Rh immunization, do not specifically target the prevention of Rh-positive blood cell attacks in the context of pregnancy. Immunoglobulin therapy might refer to various treatments that don't focus on Rh sensitivity, antihistamines are unrelated to blood type compatibility, and Rh immunization is not a recognized term in this context, as RhoGAM is the actual immunoglobulin