51: What is the difference between prothrombin time (PT) and partial thromboplastin time (PTT)? 52. QuestionWhy are serum iron and total iron binding capacity (TIBC) low in chronic disease anemia?2.Why is the TIBC normal in sideroblastic anemia with elevated serum iron levels? Question 53: Above what point can anisocytosis be diagnosed, what is the red cell distribution width (RDW) value? Question 55: How can the effect of streptokinase on the coagulation system be reversed, and can tranexamic acid help in the case of a patient who has been treated with streptokinase and has bleeding complications in the form of haematemesis, haemoptysis, or similar?8 Haematological disease 70 Question 56 We are aware that salmonella infection is a frequent complication in sickle cell anemia patients.Question 1: Does "opsoclonus" always indicate malignancy? Is this true for patients with thalassaemia major? If so, why? Question 2: Does a high lactate dehydrogenase (LDH) level indicate cancer? Question 3: In a patient who complains of feeling easily exhausted, does a normal erythrocyte sedimentation rate (ESR) rule out malignancy? Question 4: Why should folic acid supplements be taken right after methotrexate is taken?Can they both be given on the same day