Which of the following is an example of asynchronous telemedicine?

A) A nurse uses web-based videoconferencing to educate a patient with diabetes about proper glucometer use.
B) A family physician electronically transmits a patient's imaging studies and lab results to an oncologist at a regional teaching hospital for next-day review.
C) A hospital-based nurse conducts a phone call with the nurse manager at a long-term care facility in which they plan for a patient's upcoming transfer.
D) Two radiologists discuss their differing interpretations of a patient's X-ray via closed-circuit television.

B