CLT CLT Hematology & Blood Analysis 2

Question 1

Which anticoagulant is used in the lavender-top (purple) Vacutainer tube for CBC collection?

Accepted Answer

EDTA

Answer

Heparin

Answer

Sodium citrate

Answer

Sodium fluoride

Question 2

On a peripheral blood smear, target cells (codocytes) are most associated with which condition?

Accepted Answer

Iron deficiency anemia or liver disease

Answer

Hereditary spherocytosis

Answer

Vitamin B12 deficiency

Answer

Acute lymphoblastic leukemia

Question 3

What does an increased reticulocyte count indicate about bone marrow activity?

Accepted Answer

Increased red cell production

Answer

Bone marrow suppression

Answer

Decreased platelet synthesis

Answer

White cell destruction

Question 4

Which white blood cell is the most abundant in a normal adult differential count?

Accepted Answer

Neutrophils

Answer

Monocytes

Answer

Lymphocytes

Answer

Eosinophils

Question 5

A hematocrit of 55% in an adult male most likely suggests which condition?

Accepted Answer

Polycythemia

Answer

Microcytic anemia

Answer

Thrombocytopenia

Answer

Leukopenia

Question 6

Which test measures the time it takes for a fibrin clot to form and evaluates the extrinsic coagulation pathway?

Accepted Answer

Prothrombin Time (PT)

Answer

Activated Partial Thromboplastin Time (aPTT)

Answer

Bleeding time

Answer

D-dimer assay