A 28-year-old primigravid woman at term comes to the labor and delivery ward with a gush of fluid and regular contractions. Her prenatal course was remarkable for her being Rh negative and antibody negative. Her husband is Rh positive. Over the following 10 hours, she progresses in labor and delivers a 3600-g boy via a normal spontaneous vaginal delivery. The placenta does not deliver spontaneously, and a manual removal is required. To determine the correct amount of RhoGAM (anti-D immune globulin) that should be given, which of the following is the most appropriate laboratory test to send?
A. Complete blood count
B. Kleihauer-Betke
C. Liver function tests
D. Prothrombin time
E. Serum potassium
AnswerTags:
MCQ, Pathology, Rh Isoimmunization
Category:
Pathology MCQs
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