NPO definition and precautions. {Ans: - Nil per os - signage above bed for visitors - make sure no water or good is in the room}Normal Urine S&s {Ans: - pale yellow, straw coloured or amber - is clean with no particles - has a feint odour}Arthroplasty {Ans: Artificial creation/replacement of a joint or the active part of a joint}Hypertension S&S {Ans: - abnormally high blood pressure. -systolic > 140mmHg Diastolic > 90mmHg - headache -blurred vision -dizziness}CVA S&S {Ans: - sudden weakness, numbness or tingling I the face (usually hemi) - sudden aphasia - sudden vision problems (usually hemi) - sudden severe headache with no known causes - sudden dizziness and loss of balance}Warning signs of Cancer {Ans: CAUTION - Change in bowel habits - a sore throat that doesn't heal - unusual bleeding/discharge - thickening lump/breast - indigestion -obvious change in shape of mole - nagging cough}