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?
Thus, Schleiden and Schwann became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry. He also recognized the importance of the cell nucleus, discovered in 1831 by the Scottish botanist Robert Brown, and sensed its connection with cell division.