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WorksheetsPractice quiz on Hematology2
Total questions: 15
Worksheet time: 8mins
What drug irreversibly acetylates platelet cycooxygenase and reduces platelet activation?
(a)
A patient is taking coumadin for a very long time, which of the following is helpful for the therapeutic monitoring the drug?
APTT
INR
TT
Protamine sulfate
What is the source reagent for reptilase time?
(a)
Which of the following is NOT a component of PT reagent?
CaCl2
Tissue factor
Phospholipid
Kaolin
How many hours after the onset of DIC would D-dimer increase?
2
4
6
8
What factor is assessed in 5M urea solubility test? (roman numeral)
(a)
What is the expected result if a patient has increased fibrin split products and fibrinogen deficiency?
Thrombin time: Prolonged; Reptilase time: Normal
Thrombin time: Prolonged; Reptilase time: Prolonged
Thrombin time: Normal; Reptilase time: Prolonged
Thrombin time: Normal; Reptilase time: Normal
What is the expected result if a patient has anti-thrombin antibodies?
Thrombin time: Prolonged; Reptilase time: Normal
Thrombin time: Prolonged; Reptilase time: Prolonged
Thrombin time: Normal; Reptilase time: Prolonged
Thrombin time: Normal; Reptilase time: Normal
The normal value for Euglobin Clot Lysis Time is 2-4 hours. What is the clinical significance if the lysis happened after 1 hour?
There are excess plasminogen and plasminogen activators
There is a deficiency of plasminogen and plasminogen activators
There is excess clotting or thrombosis happening
Factor deficiency
What pathway is evaluated by russel's viper venom?
Extrinsic and common
Extrinsic only
Common only
Intrinsic only
What is the source of thromboplastin reagent?
Rabbit's brain
Rabbit's placenta
Tissue factor concentrate
Platelet concentrate
What factors are unstable at room temperature?
V and VIII
VII and XI
X and IX
V and X
What factors are unstable at refrigerator temperature?
V and VIII
VII and XI
X and IX
V and X
Which of the following is NOT a component of APTT reagent?
CaCl2
Tissue factor
Phospholipid
Kaolin
A light blue top tube has a red tinge in the plasma. What may be released in cases of in-vitro lysis?
Thromboplastin
Fibrinogen
Phospholipid
Vitamin K
