A nurse is preparing to administer 0.3 g of lithium PO to a client. How many mg of lithium should the nurse administer to the client? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer The nurse should administer 300 mg of lithium. Step-by-Step Calculation Understanding the Problem Desired lithium dose: 0.3 grams Need to convert grams to milligrams Calculations 1 gram = 1000 milligrams 0.3 grams = 0.3 X 1000 = 300 milligrams The nurse should administer 300 mg of lithium.