How Is Heparin Induced Thrombocytopenia (HIT)described

Multiple Choice

How is heparin induced thrombocytopenia (HIT) described?

A) It is an immunoglobulin G (IgG) immune-mediated adverse drug reaction that reduces circulating platelets.
B) It is a hematologic reaction to heparin in which the bone marrow is unable to produce sufficient platelets to meet the body's needs.
C) It is an immunoglobulin E (IgE) -mediated allergic drug reaction that reduces circulating platelets.
D) It is a cell-mediated drug reaction in which macrophages process the heparin and platelet complexes that are then destroyed by activated cytotoxic T cells.