What is the difference between on-line and off-line medical direction?
a) On-line medical direction occurs via telecommunication, while off-line medical direction is face-to-face
b) On-line medical direction involves immediate decision-making, while off-line medical direction allows for delayed consultation
c) On-line medical direction is provided by paramedics, while off-line medical direction is provided by physicians
d) On-line medical direction is legally binding, while off-line medical direction is advisory