Studies principles as well as the performance of the procedures that are essential to the basic nursing care of patients. PNE 141 lecture 2 hours per week. PNE 141 laboratory 3 hours per week. PNE 141 total 5 hours per week. PNE 142 lecture 2 hours per week. PNE 142 laboratory 3 hours per week. PNE 142 total 5 hours per week.