Coagulation Competency Assessment
- 1.
Choose the correct order for the steps of hemostasis
- A.
Blood coagulation, Platelet plug formation, Blood vessel spasm
- B.
Platelet plug formation, Blood coagulation, Blood vessel spasm
- C.
Blood vessel spasm, Platelet plug formation, Blood coagulation
- D.
Blood vessel spasm, Blood coagulation, Platelet plug formation
Correct Answer
C. Blood vessel spasm, Platelet plug formation, Blood coagulation -
- 2.
Which clotting factor is released from damaged tissue, and initiates a chain of clotting events?
- A.
Prothrombin
- B.
Thrombin
- C.
Fibrin
- D.
Tissue Thrombolastin
Correct Answer
D. Tissue Thrombolastin -
- 3.
What are the ingredients in APTT test
- A.
Plasma + phospholipid + calcium
- B.
Plasma + thromboplastin + calcium
- C.
Plasma + phospholipid + thromboplastin
- D.
Plasma + thrombin + calcium
Correct Answer
A. Plasma + phospholipid + calcium -
- 4.
Which test evaluates the extrinsic pathway?
- A.
PT (INR)
- B.
APTT
- C.
TT
- D.
Bleeding time
Correct Answer
A. PT (INR) -
- 5.
Which of the following is true regarding the bleeding time
- A.
It is a commonly ordered test
- B.
It is a highly reliable and reproducible test
- C.
It evaluates platelet function in vivo
- D.
It evaluates the coagulation system
Correct Answer
C. It evaluates platelet function in vivo -
- 6.
Which laboratory tests may aid in the diagnosis of DIC?
- A.
A. Coagulation profile
- B.
B. D-Dimer
- C.
C. Bleeding Time
- D.
A & b
- E.
A & c
Correct Answer
D. A & b -
- 7.
Which of the following involved in the final phase of blood clotting?
- A.
Formation of fibrin
- B.
Formation of prothrombin
- C.
Activation of blood clotting factor X
Correct Answer
A. Formation of fibrin -
- 8.
What is the tube use for sample collection for coagulation test
- A.
3.8% sodium citrate
- B.
EDTA
- C.
3.2% sodium citrate
- D.
SST
Correct Answer
C. 3.2% sodium citrate -
- 9.
Test of fibrinolysis and the mechanisms that control hemostasis
- A.
Bleeding time
- B.
Coagulation profile
- C.
D-Dimer
Correct Answer
C. D-Dimer -
- 10.
Specimen for coagulation test stability
- A.
48 hours
- B.
10 hours
- C.
6 hours
- D.
4 hours
Correct Answer
D. 4 hours -
- 11.
Detection principles for coagulation method (Sysmex CA 1500)
- A.
Optical detection method
- B.
Percentage detection method
- C.
Scattered light detection method
- D.
All the above
Correct Answer
D. All the above -
- 12.
What is the storage and stability of Thromborel S reagent after reconstitution in the analyzer
- A.
8 hours
- B.
2 days
- C.
5 days
Correct Answer
B. 2 days -
- 13.
PT is primarly uses for
- A.
Monitoring of oral anticoagulant therapy
- B.
Detect deficiencies in the intrinsic coagulation system
- C.
Monitoring heparin therapy
Correct Answer
A. Monitoring of oral anticoagulant therapy -
- 14.
APTT reportable limit
- A.
>80 sec
- B.
>180 sec
- C.
>60 sec
Correct Answer
B. >180 sec -
- 15.
TT will be prolonged when functional fibrinogen levels <80 mg/dl. TT is used to detect
- A.
Presence of heparin
- B.
Hypofibrinogenemia, afibrinogenemia and dysfibrinogenemia
- C.
Presence of high fibrin degradation product (FDP)
- D.
All the above
Correct Answer
D. All the above -
- 16.
Fibrinogen concentration clinical significance
- A.
To evaluate extrinsic coagulation system
- B.
Respond to infection and oter short term inflammatory stressor
- C.
To evaluate intrinsic coagulation system
- D.
To eavaluate the fibrinolysis system
Correct Answer
B. Respond to infection and oter short term inflammatory stressor -
- 17.
Is there any special instruction for polycythemia or severe anemia cases
- A.
True
- B.
False
Correct Answer
A. True -
- 18.
What is critical value for INR
- A.
>9
- B.
>8
- C.
>6
- D.
>5
Correct Answer
D. >5 -
- 19.
The QC is performed
- A.
Twice daily
- B.
Replacement of reagent
- C.
Major repair, major maintenance and calibration
- D.
All of the above
Correct Answer
D. All of the above -
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Current Version
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Mar 18, 2022Quiz Edited by
ProProfs Editorial Team -
Sep 05, 2012Quiz Created by
Nooreazreen
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