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nursing fon nursing foundation suctioning steam inhalation ryles tube ng tube tracheostomy safe injection practivces standard precautions injection safety pain management fifth vital sign painting 10 rights of medication administration rights of drug administration child health obg pediatrics stages of pressure ulcer care of wounds perioperative nursing woundcare peri operative nursing surgical asepsis asepsis administration of oxygen bsc nursing nebulization therapy nebulization insertion of urinary catheter foleys catheterization urinary catheterization injections medication administration drug administration rights of drugs administration fundamentals of nursing