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?
As a result. - for over two thousand years - the atomic theory lay dormant. 1803 - atomic theory. John Dalton, English chemist, revived the term of the atom when he suggested that each element was made up of unique atoms and the atoms of an element are all the same. He formulated his theory that chemical reactions result from the union and separation of these atoms and that atoms have characteristic properties.