Multiple Choice
Match the haemostasis step with the correct characteristic by using the answer code (options may be used more than once or not at all) :
-thromboxane A₂
A) converts fibrinogen to fibrin
B) when platelets come into contact with this substance in an injured vessel wall, it causes them to adhere and aggregate
C) when activated, this substance digests the fibrin threads, causing dissolution of the clot
D) substance released by the platelet plug that causes more platelets to aggregate
E) first step in haemostasis
F) forms the meshwork of the clot
G) a plasma protein activated by factor X
H) second step in haemostasis
I) released from injured tissues; activates extrinsic clotting pathway
J) third step in haemostasis
Correct Answer:

Verified
Correct Answer:
Verified
Q60: Leukocytes lack haemoglobin.
Q91: Aplastic anaemia is due to intrinsic factor
Q112: Platelet plugs do not excessively grow because
Q113: Which of the following is correct for
Q115: Which of the following is an INCORRECT
Q116: The haematocrit is lower than normal in
Q121: Anaemia is a condition in which the
Q133: Match these blood disorders labelled a. through
Q175: _ prevents platelets from aggregation.
Q228: The lymphocyte is a granulocyte.