Coagulation System Disorders Flashcards
The APTT is sensitive to a deficiency of which
clotting factor?
A. Factor VII
B. Factor X
C. PF3
D. Calcium
B
Which test result would be normal in a patient
with dysfibrinogenemia?
A. Thrombin time
B. APTT
C. PT
D. Immunologic fibrinogen level
D
Which test result would be normal in a patient
with dysfibrinogenemia?
A. Thrombin time
B. APTT
C. PT
D. Immunologic fibrinogen level
D
A patient with a prolonged PT is given intravenous
vitamin K. The PT corrects to normal after
24 hours. What clinical condition most likely
caused these results?
A. Necrotic liver disease
B. Factor X deficiency
C. Fibrinogen deficiency
D. Obstructive jaundice
D
Which factor deficiency is associated with a
prolonged PT and APTT?
A. X
B. VIII
C. IX
D. XI
A
Which factor deficiency is associated with a
prolonged PT and APTT?
A. X
B. VIII
C. IX
D. XI
A
A prolonged APTT is corrected with factor
VIII– deficient plasma but not with factor
IX–deficient plasma. Which factor is deficient?
A. V
B. VIII
C. IX
D. X
C
A prolonged APTT is corrected with factor
VIII– deficient plasma but not with factor
IX–deficient plasma. Which factor is deficient?
A. V
B. VIII
C. IX
D. X
C
Which of the following is a characteristic of classic
hemophilia A?
A. Prolonged bleeding time
B. Autosomal recessive inheritance
C. Mild to severe bleeding episodes
D. Prolonged PT
C
Refer to the following results:
PT = prolonged
APTT = prolonged
Platelet count = decreased
Which disorder may be indicated?
A. Factor VIII deficiency
B. von Willebrand’s disease
C. DIC
D. Factor IX deficiency
C
Which of the following is a predisposing condition
for the development of DIC?
A. Adenocarcinoma
B. Idiopathic thrombocytopenic purpura (ITP)
C. Post-transfusion purpura (PTP)
D. Heparin-induced thrombocytopenia (HIT
A
Which of the following is a predisposing condition
for the development of DIC?
A. Adenocarcinoma
B. Idiopathic thrombocytopenic purpura (ITP)
C. Post-transfusion purpura (PTP)
D. Heparin-induced thrombocytopenia (HIT
A
Factor XII deficiency is associated with:
A. Bleeding episodes
B. Epistaxis
C. Decreased risk of thrombosis
D. Increased risk of thrombosis
D
Factor XII deficiency is associated with:
A. Bleeding episodes
B. Epistaxis
C. Decreased risk of thrombosis
D. Increased risk of thrombosis
D
Factor XII deficiency is associated with:
A. Bleeding episodes
B. Epistaxis
C. Decreased risk of thrombosis
D. Increased risk of thrombosis
D