An advantage of prenatal diagnosis by genotypic analysis for hemophilia over phenotypic analysis is:
a. ABO blood type does not affect the analysis.
b. A chorionic villus biopsy can be tested at 4 weeks gestation.
c. Direct DNA diagnosis is available for all families.
d. It can be done as a point-of-care test.
Question 2
A known hemophiliac has developed an inhibitor. The physician in charge of his care wants to know how much inhibitor is present to properly treat him. What two lab tests would be ordered to assess this?
a. APTT; factor assay
b. Factor VIII: C level; Bethesda titer
c. VWF antigen; Bethesda titer
d. Type and screen; factor assay
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