Question 365 · LEK · Blood and hemostasis

Hemorrhagic disease of the newborn can be caused by vitamin K deficiency. This leads to the decreased levels of several coagulation factors, primarily those belonging to the prothrombin complex. Indicate the correct set of factors affected with level decrease:

  1. A. II, VII, IX, X.
  2. B. I, II, X.
  3. C. VIII, IX.
  4. D. XI, XII, XIII.
  5. E. VII, VIII, XI.
Hint

Recall which clotting factors require vitamin K-dependent gamma-carboxylation of glutamate residues.

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