In: Biology
Which of the following would inhibit clot formation in a test tube of blood?
A: tissue plasminogen activator
B: thrombin
C: an antagonist of vitamin K activity
D: heparin
E: fibrinogen
The answer is option c.
Because tissue pasminogen activator,thrombin,heparin and fibrinogen worked in vivo celular condition.
So otion a,b,d and e are not correct.
An antagonist of vitamin k used in in vitro condition like test tube.
Hence,option c is correct.