If you are not the one who inserted the line, it is recommended to look for the insertion documentation record or device placement information, including xray results for tip confirmation to determine what kind of catheter it is.
Rutherford's gold foil experiment provided evidence that There is a dense, positively charged mass in the center of an atom Who provided evidence for the existence of a nucleus in an atom?
The facts about the atomâs discovery are not easy to explain. John Dalton (late 1700s) was the first to perform experiments that determined atomic weight. But the ancients had already postulated its existence, though they werenât able to prove it.