Multiple Choice
Why do clotted specimens yield positive DAT results with anti-C3 in the presence of a benign cold autoagglutinin?
A) Complement is inhibited due to calcium chelation.
B) Complement can be activated in vivo.
C) Complement can be activated in vitro.
D) Complement is activated in the absence of fibrinogen.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Cold hemagglutinin disease represents what percentage of
Q2: Cold autoanti-H is more prevalent in which
Q4: A benign cold autoagglutinin may cause interference
Q5: A patient with a warm reacting autoantibody
Q6: A cold antibody titer greater than at
Q7: How is RBC destruction characterized in drug-induced
Q8: Most cases of warm autoimmune hemolytic anemia
Q9: In a patient who has been recently
Q10: Which drug-induced mechanism does not result in
Q11: Persons diagnosed with pneumonia caused by Mycoplasma