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?
In 1911 the existence of the atomic nucleus was discovered by  Ernest Rutherford through his interpretation of the gold foil  experiment conducted two years earlier by Hans â¦ Geiger and Ernest  Marsden.In 1932 Dmitry Ivanenko proposed the proton-neutron model  of the nucleus. Answered.In Science.he familiar alpha particle scattering by thin gold foil experiment has given evidence for the existence of hard nucleus at the central region of the atom.