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?
Discovery of the Proton Ernest Rutherford discovered the existence of the proton in 1918 through an experiment that sent alpha particles through nitrogen gas. Importance of the Proton The proton is important because the number of protons in the nucleus of an atom determines which chemical element the atom is.