Dosage Calculation Exam Answered/explained

Dosage Calculation Exam 1 Answered/explained; updated fall 2022-A patient has an order for Chloromycetin, 500 mg every 6 hours. The drug comes in 250 mg capsules. What would the nurse administer? - 2 tabs A nurse is to administer 150 mg of a drug intramuscularly. The label on the multidose vials reads 100 mg/mL. How much would the nurse give? - 1.5 mL A nurse is to administer 30 mg of furosemide (Lasix) to a client with congestive heart failure (CHF). The vial contains 40 mg/mL. Which is the correct dose to administer? - 0.75 mL The nurse is providing discharge teaching for a client who has been prescribed 600 mg of an oral liquid medication. The mother shows the nurse the label of the medication, which reads: 250 mg/mL. The nurse would instruct the mother to give how many milliliters? - 2.4 mL A child is to receive 500 mg of an antibiotic suspension. The label on the bottle reads 250 mg/5 mL. The nurse should administer how much of the suspension in one dose? - 10 mL A health care provider orders 250 mg of an antibiotic suspension. The label on the suspension reads "500 mg/5 mL." How much would the nurse administer? - 2.5 mL The client is to be given ascorbic acid 1 g daily by mouth. The medication comes in a container labeled, "Ascorbic Acid 250 mg tablets." How much will the nurse give? - 4 tabs convert grams to mg (Times by 1000) = (1 gram)(1000)=1000mg =1000mg/250mg= 4 tablets The PCP orders amoxicillin 250 mg by mouth two times a day. The drug label reads "Amoxicillin 125 mg/5 ml." How much will the nurse administer? - 10 mL A nurse is to administer 175 mg of a medication intramuscularly. The label on the multidose vial states that the concentration is 100 mg/mL. What volume of the drug should the nurse administer? - 1.7 mL The nurse is preparing to administer 80 mg of Solu-medrol intravenously (IV) to a client with pneumonia. The vial states that it has 120 mg per 2 mL. The nurse would correctly draw up which amount? - 1.3 mL The health care provider prescribes ascorbic acid 0.5 g daily. The drug label reads ascorbic acid 250 mg. The nurse would administer how many tablets? - 2 tabs convert grams first (0.5grams) (1000mg)= 500mg = 500mg/250mg= 2 tablets A client is being treated for congestive heart failure (CHF) and is to receive 0.5 milligrams of digoxin, which is available in 250-microgram tablets. The nurse would correctly administer how many tablets? - 2 tabs convert milligrams to MICROgrams= (0.5)(1000) =500/250= 2 tablets The nurse is to administer 25 mg of meperidine (Demerol). The vial states that it contains meperidine 50mg/1 mL. How much medication should the nurse draw up for the ordered dosage? - 0.5 mL A nurse needs to convert 3 fluid ounces to the metric system equivalent. The nurse performs the calculation to find which result? - 90 mL 1 ounce equals 29.5735 Milliliters =30ml = (30ml)(3)= 90ml A client has been prescribed a one-time dose of 4 mg morphine IV. The medication is available in ampules of 10 mg/mL. What volume of morphine should the nurse draw up? - 0.4 mL A physical orders 75 mcg of a drug IM daily. The drug is available in a vial labeled 0.5 mg in 5 mL. How many mL with the patient receive? - 0.75 mL