NCLEX-RN

Category - Reduction of Risk

A client asks the nurse about the Kleihauer-Betke test. Which of the following responses made by the nurse is inaccurate?
  1. “It is used to determine the amount of fetal blood in maternal circulation.”
  2. “A heel-prick blood sample from the newborn is taken for the test.”
  3. “It is a test where the blood is smeared and the cells are counted.”
  4. "It is a test that determines the amount of RhoGAM dosage.”
Explanation
Answer: B - The Kleihauer-Betke test determines the amount of fetal blood in maternal circulation by testing a sample of maternal blood. The Kleihauer-Betke test is performed to determine the correct dosage of RhoGAM. RhoGAM is given to prevent future Rh incompatibilities.
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