A staining solution bottle in a medical laboratory contains 30oz . A blood staining requires 3/4oz of solution. A tissue staining test requires 1/2oz of solution. if four blood test and five tissue tests are performed how many oz of solution are left in the bottle

Anurse is preparing to administer lidocaine via continuous iv infusion at 4 mg/min. available is lidocaine 2 g dextrose 5% in water 500 ml. the nurse should set the iv pump to deliver how many ml/hr? (round the answer to the nearest whole number. use a leading zero if applicable. do not use a trailing zero.)