Final answer:
The correct answer is D) across, as the prefix 'trans-' implies that the pacing is happening across the skin. Transcutaneous cardiac pacing is a medical procedure for heart rate management.
Step-by-step explanation:
The term "transcutaneous cardiac pacing" implies that you are pacing through the skin, as indicated by the prefix trans-. D) across is the right response as a result. When a patient's natural pacemaking system isn't working properly, transcutaneous cardiac pacing is a procedure used to keep their heart rate appropriate. Electrodes are applied to the skin to deliver electrical impulses that stimulate the heart in a non-invasive manner.