When a Blood Vessel Is Cut, Why Does Vasoconstriction Take

question 44

Multiple Choice

When a blood vessel is cut, why does vasoconstriction take place?

• A) To expose collagen fibers to which platelets can adhere
• B) To trigger the release of platelets from the surrounding tissues
• C) To initiate the activation of thrombin
• D) To entrap white blood cells
• E) To reduce the flow of blood

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