A client with hemophilia has prolonged partial thromboplastin time (PTT) and normal prothrombin time (PT)
What does this laboratory result indicate about the client's condition?
The client has a normal coagulation profile.
The client may have a vitamin K deficiency.
The client likely has hemophilia.
The client is at risk for thrombosis.
The Correct Answer is C
Choice A rationale:
The client has a normal coagulation profile.
This choice is incorrect because the client's prolonged PTT suggests a problem with the intrinsic pathway of coagulation, which is typical in hemophilia.
A normal coagulation profile would show normal values for both PTT and PT.
Choice B rationale:
The client may have a vitamin K deficiency.
This choice is not applicable in this context.
A vitamin K deficiency primarily affects the extrinsic pathway of coagulation, leading to an elevated PT, but it does not typically affect the PTT, which is prolonged in hemophilia.
Choice C rationale:
The client likely has hemophilia.
This is the correct choice.
Hemophilia is characterized by a deficiency or dysfunction of clotting factors, most commonly factor VIII (hemophilia A) or factor IX (hemophilia B)
Prolonged PTT with normal PT is a classic laboratory finding in hemophilia.
Choice D rationale:
The client is at risk for thrombosis.
This choice is incorrect.
Hemophilia is associated with bleeding tendencies, not an increased risk of thrombosis.
Prolonged PTT indicates a reduced ability to form clots, making thrombosis less likely.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Hemophilia A and hemophilia B are both types of hemophilia, but hemophilia A is actually less common than hemophilia B.
The prevalence of hemophilia A is about 1 in 5,000 males, whereas hemophilia B occurs in about 1 in 25,000 males.
Therefore, this statement is incorrect.
Choice B rationale:
Hemophilia is not inherited through a defective gene on the Y chromosome.
Hemophilia is an X-linked recessive genetic disorder, which means it is caused by a mutation in genes located on the X chromosome, not the Y chromosome.
This statement is incorrect.
Choice C rationale:
This statement is correct.
Males inherit hemophilia from their mothers who carry the defective gene on one of their X chromosomes.
However, it's important to note that females can also be carriers of the gene and can pass it on to their sons.
This statement does not indicate a need for further teaching.
Choice D rationale:
This statement is incorrect.
While it is very rare for females to have hemophilia, it is not impossible.
Females can inherit hemophilia if they have two affected X chromosomes or if they inherit one affected X chromosome and one affected Y chromosome.
Therefore, this statement does not indicate a need for further teaching.
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.
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