A hospital assigned the senior neurosurgeon to mentor a new neurosurgeon. They need to work together to get the new neurosurgeon on task in three months, when the senior neurosurgeon will retire. The new neurosurgeon also talks
many times a day with the resident nurse to get accustomed to how the nursing staff works with the doctors. Which
best describes the mentoring of the new neurosurgeon?

The senior neurosurgeon and nurse are informal mentors.
The senior neurosurgeon is an informal mentor, and the nurse is a formal mentor.
The senior neurosurgeon and nurse are formal mentors,
The senior neurosurgeon is a formal mentor, and the nurse is an informal mentor.