A client with hemophilia A asks the nurse about the cause of the condition.
Which response by the nurse is accurate?
"Hemophilia A is caused by a mutation in the F8 gene, which encodes factor VIII.”
"Hemophilia A is caused by a mutation in the F9 gene, which encodes factor IX.”
"Hemophilia A is caused by a mutation in the Y chromosome.”
"Hemophilia A is caused by a deficiency of vitamin K.”
The Correct Answer is A
Choice A rationale:
Hemophilia A is indeed caused by a mutation in the F8 gene, which encodes factor VIII.
Factor VIII is essential for blood clotting, and mutations in this gene lead to a deficiency or dysfunction of factor VIII, resulting in hemophilia A.
This response provides accurate information about the cause of the condition.
Choice B rationale:
Hemophilia A is not caused by a mutation in the F9 gene, which encodes factor IX.
Factor IX deficiency is associated with hemophilia B, not hemophilia A.
This statement is incorrect.
Choice C rationale:
Hemophilia A is not caused by a mutation in the Y chromosome.
As mentioned earlier, it is caused by a mutation in the F8 gene on the X chromosome.
This statement is incorrect.
Choice D rationale:
Hemophilia A is not caused by a deficiency of vitamin K.
Vitamin K deficiency can lead to bleeding disorders, but it is not the cause of hemophilia A.
This statement is incorrect.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Administering anticoagulants to promote clot formation is not appropriate for the treatment of hemophilia.
Anticoagulants are medications that thin the blood and prevent the formation of blood clots.
However, in individuals with hemophilia, the issue is not the formation of excessive clots but rather the inability to form effective clots due to a deficiency in clotting factors.
Therefore, anticoagulants would worsen the bleeding disorder and are not a suitable intervention.
Choice B rationale:
Encouraging regular physical activity to prevent bleeding episodes is a reasonable recommendation for individuals with hemophilia.
Regular, low-impact physical activity can help strengthen muscles and joints, which may reduce the risk of bleeding episodes and joint damage.
However, this alone is not a treatment for hemophilia but rather a preventive measure.
Choice C rationale:
Administering factor replacement therapy is the primary treatment for hemophilia.
Hemophilia is characterized by a deficiency in specific clotting factors (Factor VIII for Hemophilia A and Factor IX for Hemophilia B)
Replacement therapy involves infusing the missing clotting factor to achieve normal or near-normal levels, allowing the blood to clot properly.
This intervention is crucial in managing and preventing bleeding episodes in individuals with hemophilia.
Choice D rationale:
Administering iron supplements to improve hemoglobin levels is not a direct treatment for hemophilia.
Hemophilia is a clotting disorder, and iron supplements are typically used to treat conditions related to iron deficiency anemia.
While individuals with hemophilia may experience anemia as a result of chronic bleeding, the primary treatment for hemophilia involves addressing the clotting factor deficiency through factor replacement therapy.
.
Correct Answer is ["A","B","C"]
Explanation
Choice A rationale:
Family history of bleeding disorders.
Rationale: In the assessment of a client suspected of having hemophilia, it is essential to inquire about a family history of bleeding disorders because hemophilia is a genetic disorder, and a positive family history can be a strong indicator.
Choice B rationale:
Recent traumatic injuries.
Rationale: Inquiring about recent traumatic injuries is important because individuals with hemophilia are at increased risk of bleeding following injuries.
Knowing about recent trauma helps assess the risk of bleeding episodes.
Choice C rationale:
Medications affecting coagulation.
Rationale: It is crucial to inquire about medications that can affect coagulation, such as anticoagulants or antiplatelet agents, as these medications can increase the risk of bleeding in individuals with hemophilia.
Choice D rationale:
Allergies to latex products.
Rationale: While allergies to latex products should be assessed for safety reasons, it is not directly related to the diagnosis of hemophilia.
This information is important for overall patient safety but is not a specific factor in diagnosing hemophilia.
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