This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
All of the following statements about Thrombotic thrombocytopenic purpura (TTP) are true, Except : 
Select and explain. 
A. Microangiopathic Hemolytic Anemia, B. Thrombocytopenia, C. Normal complement levels, D. Grossly abnormal coagulation tests
D: Grossly abnormal coagulation tests
Answer: D: Grossly abnormal coagulation tests 
Explanation: Answer is D i.e. (Grossly abnormal coagulation tests) Tests of coagulation are essentially normal in Thrombotic Thrombocytopenic Purpura (TTP). Clinical Pentad + Normal Tests for coagulation : TTP Clinical Pentad of TTP