04-12-2008, 05:18 AM
48. A diagnosis of systemic lupus erythematosus (SLE) is
made in a 61-year-old male who has anemia with a hemat-
ocrit of 24%. A urinalysis dipstick examination reveals the
presence of blood, but there are no WBCs, RBCs, or casts
on the urine microscopic examination. A hemolytic anemia
is suspected. Which of the following serum laboratory test
findings would best corroborate this diagnosis?
O (A) Elevated d-Dimer
O (B) Negative Coombs antiglobulin test
O © Decreased iron
O (D) Elevated antinuclear antibody titer
O (E) Diminished haptoglobin
made in a 61-year-old male who has anemia with a hemat-
ocrit of 24%. A urinalysis dipstick examination reveals the
presence of blood, but there are no WBCs, RBCs, or casts
on the urine microscopic examination. A hemolytic anemia
is suspected. Which of the following serum laboratory test
findings would best corroborate this diagnosis?
O (A) Elevated d-Dimer
O (B) Negative Coombs antiglobulin test
O © Decreased iron
O (D) Elevated antinuclear antibody titer
O (E) Diminished haptoglobin