Quiz on Blood Clotting Pathways

The intrinsic pathway is initiated by damage to the endothelial cells lining the blood vessels.

• True

• False

The extrinsic pathway is faster than the intrinsic pathway.

• True

• False

The extrinsic pathway is activated by tissue factor (TF) released by damaged tissues.

• True

• False

Factor VIII is involved in the extrinsic pathway.

• True

• False

Both intrinsic and extrinsic pathways converge at Factor X activation.

• True

• False

Calcium ions (Ca2+) play no role in the intrinsic pathway.

• True

• False

The intrinsic pathway is also known as the contact activation pathway.

• True

• False

The extrinsic pathway involves the activation of Factor XII.

• True

• False

The common pathway includes the conversion of prothrombin to thrombin.

• True

• False

The extrinsic pathway requires external trauma for activation.

• True

• False