A 10-month-old infant has begun to take his first steps and his mother has brought him for assessment because of swelling in his ankles and knees. The mother also states that he was eager to walk but has now regressed and cries when she tries to encourage it. The clinician should:a. assess the child for signs and symptoms of hemophilia A.
b. prescribe a trial of desmopressin acetate (DDAVP) to rule out von Willebrand disease. c. order testing to rule out disseminated intravascular coagulation (DIC).
d. administer vitamin K STAT.

Assess the child for signs and symptoms of hemophilia A.

Explanation:

Hemophilia is a sex linked recessive disorder that generally pass down from mothers to their son in the next generation. The daughter should be homozygous recessive to show the disease condition.

The hemopohilia condition arises due to the mutation in clotting factor VIII due to which the anti clotting factor reduces in the body. The small injury might also results in the large amount of bleeding. The child more or less shows the symptom of hemophilia.

Thus, the correct answer is option (A).

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