Exam 25: Pediatric and Adult Dosage Calculation Based on Weight

Directions: Using the West nomogram, determine the body surface area (BSA) for a child with the height and weight given. - 80 cm and 11 kg: _____ m²

Directions: Use the appropriate formula to determine BSA. Express answer to the nearest hundredth. - An adolescent who measures 157.5 cm and weighs 59.1 kg: _____ m²

Directions: Calculate the following children's dosages. - Order: Epinephrine 0.25 mg IV stat Available: Epinephrine 0.1 mg/mL How many milliliters will you prepare to administer? _____ mL

Directions: Calculate the following children's dosages. - Order: Kantrex 65 mg IV q8h Available: How many milliliters will you administer? _____ mL

Directions: Calculate the following children's dosages. - Order: Nebcin 35 mg IV q8h Available: How many milliliters will you administer? _____ mL

Directions: Determine the normal dosage range to the nearest tenth. State your course of action. A child weighing 16.4 kg is to receive a medication IV with a dosage range of 100 to 150 mg/kg/day. The order is for 600 mg in 75 mL D5W q6h. Determine whether the dosage ordered is within normal limits. What is your course of action? ______________________________

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. The recommended dosage of Mezlin for an adult with a serious infection is 200 to 300 mg/kg/day given in four to six divided dosages. The adult weighs 175 lb. a. What is the adult's weight in kilograms? _____ b. What is the 24-hr dosage range for the 175-lb adult in milligrams? _____ c. What is the dosage range in grams? _____

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. Erythromycin ethylsuccinate 62.5 mg p.o. q6h is ordered for an infant weighing 10 lb 4 oz. The recommended safe dosage is 30 to 50 mg/kg/24 hr divided q6h. a. What is the infant's weight in kilograms? _____ b. What is the safe 24-hr dosage range for this infant? _____ c. What is the divided dosage range? _____ d. Is the dosage ordered safe? (Prove mathematically.) _______________ Explain your action. ______________________________

Directions: Determine the volume of solution that must be added to the burette in the following problem. Determine the rate in gtt/min for each IV when a microdrop is used, then the rate in mL/hr for a controller. A medication of 1 g in 4 mL is to be diluted to 60 mL and infused over 90 min. a. Dilution volume: _____ b. gtt/min: _____ c. mL/hr: _____

Directions: Calculate the following children's dosages. - Order: Kefzol 185 mg IV q6h Available: How many milliliters will you add to the IV? _____ mL

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. Order: Ceclor (cefaclor) 100 mg p.o. q8h is ordered for a child weighing 32 lb. The recommended dosage is 20 to 40 mg/kg/day divided q8h. Available: a. What is the child's weight in kilograms? _____ b. What is the safe 24-hr dosage range for this child? _____ c. Is the dosage ordered safe? (Prove mathematically.) _______________ Explain your action. ______________________________ d. How many milliliters of Ceclor are needed to administer the dosage? _____

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. The recommended dosage of Ticar for an adult with a complicated urinary tract infection is 150 to 200 mg/kg/day IV in divided dosages every 4 or 6 hrs. The adult weighs 194 lb. a. What is the 24-hr dosage range for the 194-lb adult in milligrams? _____ b. What is the dosage range in grams? _____ c. The prescriber ordered 4 g IV q6h. Is the dosage ordered safe? _____ Explain: ______________________________

Directions: Using the West nomogram or formula when indicated, calculate the following dosages. Express answer to the nearest tenth. The recommended dosage of Paraplatin for ovarian cancer is 360 mg/m². The client's BSA is 1.67 m². What dosage should the client receive? _____