Which of the following anemias is associated with an increased risk of thrombosis due to elevated platelet count and clotting factors?

A Iron deficiency anemia
B Vitamin B12 deficiency anemia
C Sickle cell anemia
D Primary myelofibrosis-associated anemia ✓

Explanation

Primary myelofibrosis, a type of myeloproliferative neoplasm, can lead to anemia and is associated with an increased risk of thrombosis due to elevated platelet count and clotting factors.

Source

Harrison's Principles of Internal Medicine
Hematology Hematology: Anemia Hematology: Anemia Hard MEDICAL Confidence: high