AACC Hematology & Coagulation

Question 1

What is the normal reference range for hemoglobin in adult males?

Accepted Answer

13.5–17.5 g/dL

Answer

10.0–12.5 g/dL

Answer

18.0–21.0 g/dL

Answer

8.0–10.0 g/dL

Question 2

Which hematologic parameter directly measures the average volume of individual red blood cells?

Accepted Answer

MCV

Answer

MCHC

Answer

MCH

Answer

RDW

Question 3

A patient's CBC reveals MCV of 70 fL, decreased serum ferritin, and elevated TIBC. Which condition is most consistent with these findings?

Accepted Answer

Iron deficiency anemia

Answer

Anemia of chronic disease

Answer

Vitamin B12 deficiency

Answer

Hereditary spherocytosis

Question 4

Which white blood cell type normally comprises the largest percentage of circulating leukocytes in a healthy adult?

Accepted Answer

Neutrophils

Answer

Lymphocytes

Answer

Monocytes

Answer

Eosinophils

Question 5

What is the primary function of platelets in the hemostatic process?

Accepted Answer

Forming the initial platelet plug at sites of vascular injury

Answer

Transporting oxygen to tissues

Answer

Producing clotting factors for secondary hemostasis

Answer

Phagocytizing foreign antigens

Question 6

A reticulocyte count of 8% in a patient with hemolytic anemia indicates what about the bone marrow's response?

Accepted Answer

Appropriate hyperproliferative response to red cell destruction

Answer

Bone marrow failure

Answer

Inadequate erythropoietic response

Answer

Iron deficiency limiting erythropoiesis

Question 7

Which of the following is the correct interpretation of a peripheral blood smear showing hypersegmented neutrophils and oval macrocytes?

Accepted Answer

Megaloblastic anemia

Answer

Iron deficiency anemia

Answer

Thalassemia trait

Answer

Hereditary elliptocytosis