Which of the following roles is associated with assisting in emergency childbirth?

The role associated with assisting in emergency childbirth is primarily that of an EMT, or Emergency Medical Technician. EMTs are trained to respond to emergency situations, which can include childbirth, among a range of other medical emergencies. They possess the skills and knowledge necessary to provide immediate care during childbirth, including recognizing complications, providing support to the mother, and facilitating a safe delivery until further medical assistance can be provided in a hospital setting.

In contrast, the other roles listed do not involve direct medical intervention in childbirth. A health care administrator focuses on managing health care facilities and does not typically engage in patient care. A medical librarian specializes in information resources and research support, also lacking the clinical skills for emergency scenarios. Lastly, a medical transcriptionist is responsible for transcribing medical dictations into written records and does not participate in any hands-on patient care. Thus, the EMT stands out as the role that is equipped to effectively assist in situations involving emergency childbirth.