Chapters 14, 15, 16, 18, 19.
2026 Exam Questions and
Correct Answers | New Update
Evidence of abnormal bleeding with a normal bleeding time in
association with normal platelet count, and increased prothrombin time
(PT) and INR, is indicative of
a. vitamin K deficiency.
b. hemophilia B.
,c. hemophilia A.
d. idiopathic thrombocytopenia. - ANSWER ✔✔a. vitamin K
deficiency.
The final step in clot formation is
a. conversion of prothrombin to thrombin.
b. platelet degranulation and adhesion.
c. conversion of fibrinogen to fibrin.
d. clot retraction. - ANSWER ✔✔d. clot retraction
Dysfunction of which organ would lead to clotting factor deficiency?
a. Liver
b. Kidney
c. Spleen
d. Pancreas - ANSWER ✔✔a. Liver
The conversion of plasminogen to plasmin results in
,a. clot retraction.
b. fibrinolysis.
c. platelet aggregation.
d. activation of thrombin. - ANSWER ✔✔b. fibrinolysis
Activation of the extrinsic pathway of coagulation is initiated by
a. platelet factors.
b. collagen exposure.
c. tissue thromboplastin.
d. factor VII. - ANSWER ✔✔c. tissue thromboplastin.
The prothrombin time (PT) and INR (international normalized ratio)
measure the integrity of
a. platelet function.
b. extrinsic pathway.
c. intrinsic pathway.
d. fibrinolysis. - ANSWER ✔✔b. Extrinsic pathway
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, The activated partial thromboplastin time (aPTT) is a measure of the
integrity of
a. the extrinsic pathway.
b. the intrinsic pathway.
c. factor VIII synthesis.
d. plasminogen. - ANSWER ✔✔b. The intrinsic pathway
A commonly ingested substance associated with prolongation of the
bleeding time is
a. acetaminophen.
b. tobacco.
c. caffeine.
d. aspirin. - ANSWER ✔✔d. Aspirin
The megakaryocyte is a precursor to
a. factor IX.
b. white blood cells.