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
Hess's (Tourniquet) test is a feature of - 
Select and explain. 
A. Idiopathic Thrombocytopenic Purpura (I.T.P), B. Secondary thrombocytopenia, C. Allergic purpura, D. Senile purpura
A: Idiopathic Thrombocytopenic Purpura (I.T.P)
Answer: A: Idiopathic Thrombocytopenic Purpura (I.T.P) 
Explanation: None