Final answer:
The root operation in this scenario is 'change', which involves replacing the fetal monitoring device on the baby's scalp.
Step-by-step explanation:
The root operation in the given scenario is change. Root operations are part of the Medical and Surgical Section of the ICD-10-PCS coding system, which is used to classify and code procedures performed in healthcare settings.
In this case, Dr. Xo is performing a procedure to change the fetal monitoring device on the baby's scalp. The procedure involves removing the existing device and replacing it with a new one. It is important to note that the root operation focuses on the specific objective of a procedure.
Other examples of root operations include excision (removal), reposition (repositioning), and dilation (expanding or stretching).