ATI Math Review Medication Administration

ATI Math Review Medication Administration ATI Math Review 9/24 Medication Administration 1. A nurse is preparing to administer cephalexin 0.25 g PO every 6 hr. Available is cephalexin 500 mg tablets. How many Tablets should the nurse administer per dose? Follow these steps for the Ratio and Proportion method of calculation: Step 1: What is the unit of measurement the nurse should calculate? tablet(s) Step 2: What is the dose the nurse should administer? Dose to administer = Desired 0.25 g Step 3: What is the dose available? Dose available = Have 500 mg Step 4: Should the nurse convert the units of measurement? Yes (mg does not equal g) 1000 mg X = 1 g 0.25 g X = 250 mg Step 5: What is the quantity of the dose available? 1 tablet Step 6: Set up an equation and solve for X. Have Desired X = 0.5 tablet Step 7: Round if necessary. Step 8: Determine whether the amount to administer makes sense. If there are 500 mg/tablet and the prescription reads 0.25 g, it makes sense to administer 0.5 tablet. The nurse should administer cephalexin 0.5 tablet PO every 6 hr. 2. A nurse is preparing to administer levothyroxine 0.75 mg PO to a client. Available is levothyroxine 25 mcg tablets. How many tablets should the nurse administer? Follow these steps for the Ratio and Proportion method of calculation: Step 1: What is the unit of measurement the nurse should calculate? tablet(s) Step 2: What is the dose the nurse should administer? Dose to administer = Desired 0.075 mg Step 3: What is the dose available? Dose available = Have 25 mcg Step 4: Should the nurse convert the units of measurement? Yes (mg does not equal mcg) 1,000 mcg X = 1 mg 0.075 mg X = 75 mcg Step 5: What is the quantity of the dose available? 1 tablet Step 6: Set up an equation and solve for X. Have Desired X = 3 tablets Step 7: Round if necessary. Step 8: Determine whether the amount to administer makes sense. If there are 25 mcg/tablet and the prescription reads 0.075 mg, it makes sense to administer 3 tablets. The nurse should administer levothyroxine 3 tablets PO