Which of the following is not a cause of bleeding disorders? A) thrombocytopenia, a condition of decreased circulating platelets B) excess secretion of platelet-derived growth factor (PDGF) C) a defect in the clotting cascade D) vitamin K deficiency
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Step 1: Thrombocytopenia is a condition of decreased circulating platelets, which can lead to bleeding disorders by causing difficulties in blood clotting. Show more…
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Hemophilia results from a(n): a. insufficient number of red blood cells b. insufficient number of platelets c. lack of one or more plasma proteins involved in blood clotting d. abnormal type of hemoglobin
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Madhur L.
Blood clotting $a$. is impaired in patients with hemophilia because they don't produce platelets. $b$. is initiated when platelets release fibrinogen. $c,$ involves a cascade of factors produced in the liver. $d .$ is initiated by leukocytes forming a meshwork. $e .$ requires conversion of angiotensinogen to angiotensin.
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