A type-A Rh-negative infant has spherocytes on his blood film and a weakly positive direct antiglobulin test. What antibody will most likely be found on the infant's red cells?
a. IgG anti-A antibody
b. IgM anti-A antibody
c. D antibody
d. Kell antibody
ANS: A
This occurs in infants whose mothers make an IgG anti-A (in this case) or anti-B at a low level. The disease is usually mild because most ABO antibodies are IgM and do not cross the placenta because of their large size.
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Answer the following statement true (T) or false (F)
A diagnostic test to detect vision in which movement is made toward the animal is called the ____ response
Fill in the blank(s) with correct word