B should be the answer. Xray's were the first ever high tech diagnostic technology ever to be invented, adopted, and used widespread around the world.... Everything else, mainly has to do with treatment rather than diagnostics.
Question 4: States that the patient is to be given pain medication TID which stands for three times a day for five days, BID is for two times a day until the medication runs out.
A second degree heart block occurs when the patient is over weight
