LAB tests for hemostasis: Secondary hemostasis tests

Question 1

secondary hemostasis tests (3)

Answer 1

• prothrombin (PT)
• activated Partial Thromboplastin Time
• activated clotting time (ACT)

Question 2

this assesses function of extrinsic and common coagulation pathways

Answer 2

Prothrombin Time (PT)

Question 3

this assesses function of intrinsic and common coagulation pathways

Answer 3

activated Partial Thromboplastin Time (aPTT)

Question 4

these tests indicate depletion of coagulation factors to < __% of normal levels

Answer 4

Prolonged PT and aPTT

- 30%

Question 5

Blood must be collected ___ into a vacutainer tube containing sodium citrate

Answer 5

atraumatically (clean stick on the first try)

Question 6

this assesses function of the intrinsic and common coagulation pathways

Answer 6

Activated Clotting Time (ACT) test

Question 7

the Activated Clotting Time (ACT) test is not as sensitive as the __ test

Answer 7

aPTT

Question 8

this test can be done in-house and results are available immediately

Answer 8

Activated Clotting Time (ACT) test

Question 9

2 other lab tests

Answer 9

• fibrinogen

- Fibrin Degredation Products (FDP’s)