American Association of Critical-Care Nurses (AACN) Certification Practice Test

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What deficiency relates to Hemophilia B?

  1. Factor IX

  2. Factor VIII

  3. Factor VII

  4. Factor X

The correct answer is: Factor IX

Hemophilia B is specifically associated with a deficiency in Factor IX. This genetic disorder is typically linked to mutations in the F9 gene, which leads to inadequate production of this clotting factor. As a result, individuals with Hemophilia B experience poor blood clotting, making them more prone to prolonged bleeding after injuries, surgeries, or even spontaneous bleeding events. Factor VIII is associated with Hemophilia A, while Factor VII and Factor X are linked to different bleeding disorders. This specificity emphasizes the importance of recognizing the particular clotting factor deficiencies associated with various types of hemophilia for accurate diagnosis and treatment.

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