AAB Hematology Proficiency knowledge test Exam
Questions and certified Answers 2025/2026
Which leukemia can be identified by a positive periodic acid shiff stain -
correct answer Acute jymphocytic leukemia
Most chronic lymphocytic leukemia are neoplasm of which subset of
lymphocyte - correct answer B cells
TARTRATE resistant acid phosphatase STAIN is useful in the diagnosis of -
correct answer Hairy cell leukemia
Reed Stenberg cells are diagnostic for - correct answer Hodgkin's disease
Giant, bizarre platelets, NRBC and teardrop cells are associated with -
correct answer Myelofibrosis
Factor XII is most commonly activated by exposure to - correct answer
Subendothelium
What is the precursor of thrombin - correct answer Prothrombin
Factor X is associated with which coagulation pathway - correct answer
Common pathway
All of the following factor activations occur in the alternate pathway - correct
answer Factor VII a can activate IX and X
Factor IX and kallikrein can activate Factor VII
, Factors XIII a, X a, IX a, or thrombin can activate factor VII
Which protein is the first inhibitor of the fibrinolytic system - correct answer
Alpha 2 - antiplasmin
What is the principal inhibitor of thrombin and factor X a - correct answer
Antithrombin III
What is the most frequently acquired inhibitor in hereditary deficiencies -
correct answer Anti VIII
Which inhibitor inactivates coagulation factors through phospholipoprotein
components - correct answer lupus like anticoagulant
Diagnosis of Von Willenbrands disease can be made from all of the following
tests - correct answer Decreased VIII: C
Decreased VIII R: Co
Prolonged bleeding time
Desmopressin acetate DDAVP is used in the treatment of which disorder -
correct answer Von Willenbrands disease
DiC is associated with all the following disorders - correct answer Acute
promyelocytic leukemia
Placenta previa
Snakebites
What is the origin of platelets in the bone marrow - correct answer
Megakaryocytes
Questions and certified Answers 2025/2026
Which leukemia can be identified by a positive periodic acid shiff stain -
correct answer Acute jymphocytic leukemia
Most chronic lymphocytic leukemia are neoplasm of which subset of
lymphocyte - correct answer B cells
TARTRATE resistant acid phosphatase STAIN is useful in the diagnosis of -
correct answer Hairy cell leukemia
Reed Stenberg cells are diagnostic for - correct answer Hodgkin's disease
Giant, bizarre platelets, NRBC and teardrop cells are associated with -
correct answer Myelofibrosis
Factor XII is most commonly activated by exposure to - correct answer
Subendothelium
What is the precursor of thrombin - correct answer Prothrombin
Factor X is associated with which coagulation pathway - correct answer
Common pathway
All of the following factor activations occur in the alternate pathway - correct
answer Factor VII a can activate IX and X
Factor IX and kallikrein can activate Factor VII
, Factors XIII a, X a, IX a, or thrombin can activate factor VII
Which protein is the first inhibitor of the fibrinolytic system - correct answer
Alpha 2 - antiplasmin
What is the principal inhibitor of thrombin and factor X a - correct answer
Antithrombin III
What is the most frequently acquired inhibitor in hereditary deficiencies -
correct answer Anti VIII
Which inhibitor inactivates coagulation factors through phospholipoprotein
components - correct answer lupus like anticoagulant
Diagnosis of Von Willenbrands disease can be made from all of the following
tests - correct answer Decreased VIII: C
Decreased VIII R: Co
Prolonged bleeding time
Desmopressin acetate DDAVP is used in the treatment of which disorder -
correct answer Von Willenbrands disease
DiC is associated with all the following disorders - correct answer Acute
promyelocytic leukemia
Placenta previa
Snakebites
What is the origin of platelets in the bone marrow - correct answer
Megakaryocytes
