The Intrinsic Pathway of Coagulation Is Activated by

question 37

Multiple Choice

The intrinsic pathway of coagulation is activated by

• A) the sticking of platelets to damaged tissue.
• B) the activation of proenzymes exposed to collagen.
• C) the release of tissue factor by damaged endothelium.
• D) the release of heparin from the liver.
• E) the conversion of prothrombin to thrombin.

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Definitions:

Electron-Transport Chain

A chain of molecular structures that move electrons from donors to acceptors through oxidation-reduction reactions, while simultaneously moving protons (H+ ions) across a membrane.

Hydrogen Ions

Positively charged ions (protons) of hydrogen, H+, which play a significant role in acid-base balance and cellular metabolism.

Plasma Membrane

A bi-layer of lipids and proteins that surrounds a cell, controlling the movement of substances in and out of the cell.

Electrons

Negatively charged subatomic particles that orbit the nucleus of an atom.