Hematology Board Exam Started: Jul 13, 2026 09:03 Page 38 of 53 Attempt #2433 Overall: 0 / 262 questions answered Question 186 / 262 Not answered In an emergency department assessment: a 44-year-old man presents with bleeding with prolonged clotting tests. Relevant risk context includes recent heparin exposure. What is the most likely diagnosis? A. Disseminated intravascular coagulation B. Heparin-induced thrombocytopenia C. Immune thrombocytopenia D. Vitamin B12 deficiency anemia E. Acute leukemia Show Answer & Explanation Correct Answer: D Explanation: The pattern of bleeding with prolonged clotting tests with risk factors such as recent heparin exposure is most consistent with Vitamin B12 deficiency anemia. This answer best matches the expected diagnostic framework for Hematology. Reference: British Society for Haematology Guidance Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 187 / 262 Not answered In an emergency department assessment: a 49-year-old woman presents with mucocutaneous bleeding with thrombocytopenia. Relevant risk context includes autoimmune disease. What is the most likely diagnosis? A. Acute leukemia B. Vitamin B12 deficiency anemia C. Disseminated intravascular coagulation D. Iron deficiency anemia E. Heparin-induced thrombocytopenia Show Answer & Explanation Correct Answer: C Explanation: The pattern of mucocutaneous bleeding with thrombocytopenia with risk factors such as autoimmune disease is most consistent with Disseminated intravascular coagulation. This answer best matches the expected diagnostic framework for Hematology. Reference: ISTH Guidance; Hematology topic-specific current guideline update Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 188 / 262 Not answered At a multidisciplinary case conference: a 74-year-old man presents with bleeding with prolonged clotting tests. Relevant risk context includes autoimmune disease. What is the most likely diagnosis? A. Immune thrombocytopenia B. Disseminated intravascular coagulation C. Acute leukemia D. Vitamin B12 deficiency anemia E. Heparin-induced thrombocytopenia Show Answer & Explanation Correct Answer: C Explanation: The pattern of bleeding with prolonged clotting tests with risk factors such as autoimmune disease is most consistent with Acute leukemia. This answer best matches the expected diagnostic framework for Hematology. Reference: British Society for Haematology Guidance Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 189 / 262 Not answered During morning rounds: a 63-year-old man is evaluated for mucocutaneous bleeding with thrombocytopenia in the context of malabsorption. Which is the most appropriate next investigation? A. B12 level with methylmalonic acid B. Peripheral blood smear C. HIT 4T assessment and confirmatory testing D. Coagulation profile with fibrinogen E. Iron studies with ferritin Show Answer & Explanation Correct Answer: A Explanation: B12 level with methylmalonic acid is the most appropriate next test because it directly clarifies the leading diagnosis and guides immediate management in Hematology. Reference: ASH Clinical Practice Guidelines Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Question 190 / 262 Not answered During morning rounds: a 40-year-old woman presents with platelet drop with new thrombosis. Relevant risk context includes autoimmune disease. What is the most likely diagnosis? A. Vitamin B12 deficiency anemia B. Iron deficiency anemia C. Disseminated intravascular coagulation D. Heparin-induced thrombocytopenia E. Acute leukemia Show Answer & Explanation Correct Answer: D Explanation: The pattern of platelet drop with new thrombosis with risk factors such as autoimmune disease is most consistent with Heparin-induced thrombocytopenia. This answer best matches the expected diagnostic framework for Hematology. Reference: ASH Clinical Practice Guidelines Comments & Discussion No comments yet. Be the first to comment! Your Name * Your Comment * (Max 200 chars) 200 characters remaining Post Comment Comments remaining this hour: 10/10 Cancel « ← Previous Page 38 of 53 Next → »