ASCP Hematology 3

Question 1

Disseminated intravascular coagulation (DIC) is best characterized by:

Accepted Answer

Prolonged PT/PTT, low fibrinogen, elevated D-dimer

Answer

Elevated fibrinogen and low D-dimer

Answer

Normal PT/PTT with thrombocytosis

Answer

Isolated prolonged PT only

Question 2

Which automated hematology parameter best distinguishes iron deficiency anemia from beta-thalassemia minor?

Accepted Answer

RDW and Mentzer Index

Answer

Hemoglobin

Answer

RBC count

Answer

WBC differential

Question 3

The osmotic fragility test is used to diagnose which condition?

Accepted Answer

Hereditary spherocytosis

Answer

Glucose-6-phosphate dehydrogenase deficiency

Answer

Sickle cell disease

Answer

Paroxysmal nocturnal hemoglobinuria

Question 4

Which coagulation factor is tested by the prothrombin time (PT)?

Accepted Answer

Factor VII

Answer

Factor VIII

Answer

Factor IX

Answer

Factor XII

Question 5

Auer rods are pathognomonic for which type of leukemia?

Accepted Answer

Acute myeloid leukemia

Answer

Acute lymphoblastic leukemia

Answer

Chronic lymphocytic leukemia

Answer

Chronic myelogenous leukemia

Question 6

Which condition is associated with target cells (codocytes) on peripheral smear?

Accepted Answer

Sickle cell disease and thalassemia

Answer

Hereditary spherocytosis

Answer

G6PD deficiency

Answer

Aplastic anemia