In the platelet release reaction,
A. factor XII is activated.
B. ADP and thromboxanes stimulate other platelets to become activated.
C. activated platelets are connected by fibrinogen.
D. prostaglandin production is inhibited.
E. platelets convert to fibrin.
B
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Picking up a book at a constant speed requires that
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A. rennin B. trypsin C. intrinsic factor D. pepsin