Reduction of Risk Potentials 54-Diabetes Mellitus 55-Pyloristenosis,Gastritis,Ulcers 56-Peritonitis 57-Cholelithiasis,Cholecystitis 58-Informed Consent 59-Post Op Care 60-Complications of Surgery(Infection) 61-Diagnostic Tests(Normal Values) 62-Lumbar Puncture 63-Upper GI Series(Barium Swallow) 64-Suctioning 65-Oxygen Hazards(Toxicity) 66-Types of Nasogastric Tubes 67-Suction Devices