FREE Medical Laboratory Technician Hematology and Coagulation Questions and Answers

Question 1

A peripheral blood smear from a patient with multiple myeloma is examined. Which of the following is the most characteristic red blood cell morphology seen in this condition?

Accepted Answer

Rouleaux formation

Answer

Sickle cells

Answer

Schistocytes

Answer

Spherocytes

Question 2

A patient's prothrombin time (PT) is significantly prolonged, while the activated partial thromboplastin time (aPTT) is normal. A deficiency in which of the following coagulation factors would most likely explain these results?

Accepted Answer

Factor VII

Answer

Factor VIII

Answer

Factor IX

Answer

Factor XI

Question 3

Upon microscopic examination of a bone marrow aspirate from a patient with a suspected hematologic malignancy, the technician notes the presence of needle-like, reddish-pink cytoplasmic inclusions within blast cells. What are these structures called?

Accepted Answer

Auer rods

Answer

Howell-Jolly bodies

Answer

Pappenheimer bodies

Answer

Heinz bodies

Question 4

A patient is prescribed daily low-dose aspirin for the prevention of cardiovascular events. Aspirin impairs hemostasis by inhibiting the function of which of the following?

Accepted Answer

Platelets

Answer

Fibrinogen

Answer

Thrombin

Answer

Vitamin K-dependent factors

Question 5

Which of the following describes the primary role of von Willebrand factor (vWF) in hemostasis?

Accepted Answer

Mediating platelet adhesion to exposed collagen

Answer

Converting prothrombin to thrombin

Answer

Stabilizing the fibrin clot through cross-linking

Answer

Activating the intrinsic coagulation pathway

Question 6

A medical laboratory technician is performing a differential on a Wright-stained peripheral blood smear. They identify red blood cell inclusions that are small, irregular, basophilic granules clustered near the periphery of the cell. A Prussian blue stain confirms the presence of iron. What are these inclusions?

Accepted Answer

Pappenheimer bodies

Answer

Howell-Jolly bodies

Answer

Basophilic stippling

Answer

Cabot rings

A peripheral blood smear from a patient with multiple myeloma is examined.Which of the following is the most characteristic red blood cell morphology seen in this condition?

A peripheral blood smear from a patient with multiple myeloma is examined.
Which of the following is the most characteristic red blood cell morphology seen in this condition?