Medical Technologist Test Hematology

Question 1

Which white blood cell type is the first to respond to a bacterial infection?

Accepted Answer

Neutrophil

Answer

Eosinophil

Answer

Basophil

Answer

Lymphocyte

Question 2

What is the normal mean corpuscular volume (MCV) range in adults?

Accepted Answer

80–100 fL

Answer

60–70 fL

Answer

110–120 fL

Answer

120–130 fL

Question 3

A peripheral blood smear showing target cells is MOST associated with which condition?

Accepted Answer

Hemoglobin C disease

Answer

Iron-deficiency anemia

Answer

Vitamin B12 deficiency

Answer

Aplastic anemia

Question 4

Which laboratory finding is characteristic of disseminated intravascular coagulation (DIC)?

Accepted Answer

Prolonged PT and aPTT with low platelets

Answer

Elevated fibrinogen

Answer

Isolated elevated platelet count

Answer

Normal D-dimer

Question 5

Hypersegmented neutrophils on a peripheral smear are a hallmark of which deficiency?

Accepted Answer

Folate or vitamin B12 deficiency

Answer

Iron deficiency

Answer

Copper deficiency

Answer

Zinc deficiency

Question 6

Which stain is used to confirm the presence of reticulocytes in a blood smear?

Accepted Answer

New methylene blue

Answer

Wright stain

Answer

Gram stain

Answer

Prussian blue