Control Of Bleeding And Screening Tests

Question 1

Normal control of bleeding

Answer 1

Vascular phase
Platelet phase
Coagulation phase
Fibrinolytic phase

Question 2

Vitamin K dependant factor

Answer 2

10, 9, 7, 2

Question 3

Single best screening test for coagulation disorder

Answer 3

Partial prothrombin time

Question 4

Phospholipid platelet substitute added to test aPTT

Answer 4

Kaolin

Question 5

Normal range of aPTT

Answer 5

25 to 35 seconds, in excess of 35 seconds is abnormal or prolonged

Question 6

Teat used to check intrinsic and common pathway

Answer 6

Prothrombin time

Question 7

Normal range of prothrombin time

Answer 7

11 to 15 seconds

Question 8

Platelet count____ shows skin and mucosal purpura and bleed excessivley with minor trauma

Answer 8

Below 50,000/ul

Question 9

Platelet count below ____ experience spontaneous bleeding

Answer 9

Below 20,000/uL

Question 10

What converts fibrinogen in the blood to insoluble fibrin

Answer 10

Thrombin added in blood as activating agent

Question 11

Normal range of thrombin time

Answer 11

9 to 13 seconds. In excess of 16 to 18 seconds is abnormal or prolonged

Question 12

Abnormal thrombin time associated with

Answer 12

Excessive plasmin or fibrin