Tissue Thromboplastin Contamination in Coagulation Tests

Activate the extraneous coagulation pathway

Compromise the results of other coagulation tests (correct)

Interfere with the results of PT/INR test only

Pose a significant problem for all coagulation tests

When it is mixed with blood collected in a syringe

Unless the draw is difficult and involves a lot of needle manipulation (correct)

When it is picked up during venipuncture

When the draw involves a lot of needle manipulation

Draw a few milliliters of blood into a nonadditive tube before it is collected (correct)

Use a tube specifically designed to remove tissue fluid

Throw away the sample and recollect the blood

Collect the blood directly into the coagulation test tube

<p>To remove tissue fluid from the needle and then thrown away</p> Signup and view all the answers

<p>Draw blood into a nonadditive tube before collecting the sample</p> Signup and view all the answers