Plasma is the liquid portion of unclotted blood.

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Multiple Choice

Plasma is the liquid portion of unclotted blood.

Explanation:
Plasma is the liquid portion of unclotted blood. It remains fluid when an anticoagulant is present, so clotting factors like fibrinogen stay in the plasma. If blood is allowed to clot, the liquid that remains after removing the clot is serum, which lacks fibrinogen and other clotting factors. The other items refer to cellular components (red and white blood cells) or to the liquid portion of clotted blood (serum), not plasma. So the statement that plasma is the liquid portion of unclotted blood is the correct description.

Plasma is the liquid portion of unclotted blood. It remains fluid when an anticoagulant is present, so clotting factors like fibrinogen stay in the plasma. If blood is allowed to clot, the liquid that remains after removing the clot is serum, which lacks fibrinogen and other clotting factors. The other items refer to cellular components (red and white blood cells) or to the liquid portion of clotted blood (serum), not plasma. So the statement that plasma is the liquid portion of unclotted blood is the correct description.

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