Friday, February 12, 2010

2) Which of the following statements about blood clotting is false?

A) The first response to an injury is dilation of the damaged blood vessels.


B) During the clotting response, platelets rapidly adhere to exposed connective tissue in the walls of damaged blood vessels.


C) More than a dozen different clotting factors are involved in the formation of a scab.


D) Threads of fibrin trap blood cells and platelets during clot formation.


E) Chemicals released by platelets stimulate cell division in smooth muscle and connective tissues.2) Which of the following statements about blood clotting is false?
A is false...


smooth muscle tissue in the walls of an injured blood vessel contract. this contraction causes the blood vessels to constrict so that blood flow is reduced and eventually cut off.2) Which of the following statements about blood clotting is false?
E

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