Oral Medication Calculations Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Oral Medication Calculations Questions and Answers | Latest Version | 2025/2026 | Correct & Verified How do you calculate the volume of liquid medication needed when given the dose in milligrams and concentration in mg/mL? Divide the prescribed dose by the concentration (dose ÷ mg per mL) If a medication order reads 250 mg and the available liquid medication concentration is 125 mg per 5 mL, how many mL should you administer? 10 mL What formula can be used to calculate the dose when the available medication strength is different from the ordered dose? (Desired dose ÷ Available dose) × Quantity of medication A child weighs 20 kg and the medication dose is 10 mg/kg. How much medication should be given? 200 mg 2 How do you convert pounds to kilograms for medication dosage calculations? Divide the weight in pounds by 2.2 If a medication comes in a concentration of 50 mg per teaspoon, how many teaspoons are needed for a 100 mg dose? 2 teaspoons When calculating pediatric dosages, what weight measurement should be used? The child’s actual body weight in kilograms An order reads: Give 0.5 mg/kg of a drug. The patient weighs 132 lbs. How many milligrams should be administered? 30 mg If a medication label states 200 mg per 10 mL, what volume do you give for a 50 mg dose? 2.5 mL 3 Why is it important to convert all units to the same system before performing oral medication calculations? To ensure accuracy and prevent dosing errors What is the first step when calculating oral medication doses? Confirm the prescribed dose and the concentration available How do you calculate the dose if the available medication is in tablets and you need a fractional dose? Divide the dose ordered by the strength per tablet to find the fraction or number of tablets needed A prescription states 0.75 tablets are needed, but tablets cannot be split into three parts safely. What should the nurse do? Consult the pharmacist or provider for alternative dosing or medication form How many mL will you administer if the order is for 30 mg, and the medication is available as 15 mg per 1 mL? 2 mL