Hematology Board Exam Started: Jul 13, 2026 04:18 Page 45 of 53 Attempt #1944 Overall: 0 / 262 questions answered Question 221 / 262 Not answered In an outpatient specialty clinic: a 70-year-old man is evaluated for mucocutaneous bleeding with thrombocytopenia in the context of recent heparin exposure. Which is the most appropriate next investigation? A. Peripheral blood smear B. HIT 4T assessment and confirmatory testing C. Bone marrow examination when indicated D. B12 level with methylmalonic acid E. Iron studies with ferritin Show Answer & Explanation Correct Answer: A Explanation: Peripheral blood smear is the most appropriate next test because it directly clarifies the leading diagnosis and guides immediate management in 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 222 / 262 Not answered At a preventive-care consultation: a 41-year-old man presents with platelet drop with new thrombosis. Relevant risk context includes autoimmune disease. What is the most likely diagnosis? A. Iron deficiency anemia B. Vitamin B12 deficiency anemia C. Disseminated intravascular coagulation D. Immune thrombocytopenia E. Acute leukemia Show Answer & Explanation Correct Answer: C Explanation: The pattern of platelet drop with new thrombosis 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: 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 223 / 262 Not answered At a multidisciplinary case conference: a 67-year-old man presents with blasts on peripheral smear. Relevant risk context includes sepsis. What is the most likely diagnosis? A. Iron deficiency anemia B. Heparin-induced thrombocytopenia C. Vitamin B12 deficiency anemia D. Immune thrombocytopenia E. Acute leukemia Show Answer & Explanation Correct Answer: E Explanation: The pattern of blasts on peripheral smear with risk factors such as sepsis 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 224 / 262 Not answered In an emergency department assessment: a 42-year-old man presents with platelet drop with new thrombosis. Relevant risk context includes recent heparin exposure. What is the most likely diagnosis? A. Heparin-induced thrombocytopenia B. Acute leukemia C. Vitamin B12 deficiency anemia D. Disseminated intravascular coagulation E. Iron deficiency anemia Show Answer & Explanation Correct Answer: A Explanation: The pattern of platelet drop with new thrombosis with risk factors such as recent heparin exposure is most consistent with Heparin-induced thrombocytopenia. 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 225 / 262 Not answered During a primary-care follow-up visit: a 37-year-old woman is evaluated for macrocytosis with neuropathy in the context of chemotherapy. Which is the most appropriate next investigation? A. Bone marrow examination when indicated B. HIT 4T assessment and confirmatory testing C. Iron studies with ferritin D. B12 level with methylmalonic acid E. Coagulation profile with fibrinogen Show Answer & Explanation Correct Answer: B Explanation: HIT 4T assessment and confirmatory testing 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 Cancel « ← Previous Page 45 of 53 Next → »