The nurse is caring for a trauma patient in the emergency department who is 26-weeks pregnant. Which maternal test does the nurse anticipate will be performed to determine if there is fetal blood in the maternal circulation?
A) Hematocrit
B) Alpha-fetoprotein test
C) Amniocentesis
D) Kleihauer-Betke test
D) Kleihauer-Betke test
Explanation: A) Hematocrit gives an indication of maternal blood loss.
B) The alpha-fetoprotein test can be used to screen for neural tube defects in a fetus.
C) Amniocentesis is a screening tool for birth defects.
D) Direct injury to the uterus or fetus must also be considered. The Kleihauer-Betke test is used to detect fetal blood in circulation. This can be an indication of fetal hemorrhage.
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