MMSC 423 Hematology Exam 2
with 100% Correct Answers
What is employed to reverse the effects of UFH - Answer-protamine sulfate
What enzyme is suppressed by warfarin preventing gamma carboxylation of the vitamin
k dependent factors - Answer-vitamin K epoxide reductase
A 51 y/o male presents with DVT of the great saphenous vein, swelling, and pain. For
the past 15 years he has worked as a bank teller. His complete blood count in normal
but APTT is 37 seconds. PT and INR are normal. Family history includes acute MI in his
father and daughter has had 2 miscarriages. Protein C levels were normal and bleeding
time is 5.5 minutes. The patient was treated initially with unfractionated heparin and is
now on an oral anticoagulant therapy which raised his PT and INR to therapeutic levels.
Which of the following are possible in this patient? - Answer-Prothrombin G20210A
All of the following coagulation factor are measured in the prothrombin complex time
test except - Answer-Factor 13 (XIII)
What does ISI stand for - Answer-international sensitivity index
All of the following are measured by the APTT except - Answer-Factor 7 (VII)
This screening test for factor V involves adding a standard amount of activated protein
C for both patient plasma and normal plasma - Answer-APTT
What test is elevated in uncompensated DIC - Answer-d-dimer
light transmittance is increased in platelet aggregation studies where the platelet agonist
employed is ADP - Answer-true
Patients who have deficiency in GP1B have a deficiency in adhesion - Answer-true
oral anticoagulant - Answer-vitamin k
which of the following is decreased in uncompensated DIC - Answer-fibrinogen
with 100% Correct Answers
What is employed to reverse the effects of UFH - Answer-protamine sulfate
What enzyme is suppressed by warfarin preventing gamma carboxylation of the vitamin
k dependent factors - Answer-vitamin K epoxide reductase
A 51 y/o male presents with DVT of the great saphenous vein, swelling, and pain. For
the past 15 years he has worked as a bank teller. His complete blood count in normal
but APTT is 37 seconds. PT and INR are normal. Family history includes acute MI in his
father and daughter has had 2 miscarriages. Protein C levels were normal and bleeding
time is 5.5 minutes. The patient was treated initially with unfractionated heparin and is
now on an oral anticoagulant therapy which raised his PT and INR to therapeutic levels.
Which of the following are possible in this patient? - Answer-Prothrombin G20210A
All of the following coagulation factor are measured in the prothrombin complex time
test except - Answer-Factor 13 (XIII)
What does ISI stand for - Answer-international sensitivity index
All of the following are measured by the APTT except - Answer-Factor 7 (VII)
This screening test for factor V involves adding a standard amount of activated protein
C for both patient plasma and normal plasma - Answer-APTT
What test is elevated in uncompensated DIC - Answer-d-dimer
light transmittance is increased in platelet aggregation studies where the platelet agonist
employed is ADP - Answer-true
Patients who have deficiency in GP1B have a deficiency in adhesion - Answer-true
oral anticoagulant - Answer-vitamin k
which of the following is decreased in uncompensated DIC - Answer-fibrinogen
