Exam 25: Pediatric and Adult Dosage Calculation Based on Weight

Directions: Use the appropriate formula to determine BSA. Express answer to the nearest hundredth. - An adult who measures 175 cm and weighs 85 kg: _____ m²

Child weighing 24 kg a. Daily fluid maintenance _____________________ mL/day b. IV rate __________________ mL/hr

Directions: Use the appropriate formula to determine BSA. Express answer to the nearest hundredth. - An adult who is 67 inches tall and weighs 175 lb: _____ m²

Child weighing 77 lb Convert weight Equivalent 2.2 lb= 1 kg 77 lb ÷ 2.2 = 35 kg

Directions: Using the West nomogram or formula when indicated, calculate the following dosages. Express answer to the nearest tenth. The recommended dosage of Zovirax for a child who is immunosuppressed and has a varicella-zoster infection is 500 mg/m². The child weighs 26.5 lb and is 58 inches tall. a. What is the child's BSA? _____ b. What is the recommended dosage? _____

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. Phenobarbital 45 mg p.o. b.i.d. b.i.d. is ordered for a child with seizures weighing 35 lb. The recommended dosage is 6 to 8 mg/kg/24 hr, given every day or 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. ______________________________

Directions: Calculate the following children's dosages. - Order: Lanoxin (digoxin) elixir 0.1 mg p.o. daily Available: How many milliliters will you administer? _____ mL

Directions: Use the appropriate formula to determine BSA. Express answer to the nearest hundredth. - A child who measures 26 inches and weighs 36 lb: _____ m²

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. Gentamicin 45 mg IV q8h for a child weighing 45 lb. The recommended dosage is 6 to 7.5 mg/kg/day in three to four divided dosages. a. What is the child's weight in kilograms? _____ b. What is the safe 24-hr dosage range for this child? _____ c. What is the divided dosage range? _____ d. Is the dosage ordered safe? (Prove mathematically.) _______________ Explain your action. ______________________________

Directions: Determine the normal dosage range to the nearest tenth. State your course of action. An IV medication of 50 mcg in 200 mL is ordered to infuse over 2 hr. The normal dosage range is 1.5 to 3 mcg/kg/hr. The child weighs 5.7 kg. Determine the dosage range per hour. Determine whether the dosage ordered is within normal limits. State your course of action: ______________________________

Directions: Using the West nomogram, determine the body surface area (BSA) for a child with the height and weight given. - 22 inches and 10 lb: _____ m²

Directions: Using the West nomogram, determine the body surface area (BSA) for a child with the height and weight given. - 32 inches and 25 lb: _____ m²

Directions: Using the West nomogram or formula when indicated, calculate the following dosages. Express answer to the nearest tenth. The recommended dosage of acyclovir is 250 mg/m². What will be the dosage for a child with a BSA of 0.27 m²? _____

Directions: Calculate the following children's dosages. - Order: Amoxil 75 mg p.o. q8h Available: How many milliliters will you administer? _____ mL

Directions: Using the West nomogram, determine the body surface area (BSA) for a child with the height and weight given. - 170 cm and 50 kg: _____ m²

Directions: Using the West nomogram or formula when indicated, calculate the following dosages. Express answer to the nearest tenth. The recommended dosage of methotrexate is 25 to 75 mg/m²/week. The child's height is 30 inches and the weight is 25 lb. a. What is the child's BSA? _____ b. What is the recommended dosage range? _____

Directions: Determine the normal dosage range to the nearest tenth. State your course of action. A child weighs 10 kg and is to receive 0.5 g of nafcillin in 100 mL D5W q6h. The dosage range is 100 to 200 mg/kg/day. What is your course of action? ______________________________

Directions: Round dosage and weight to the nearest tenth as indicated. Use labels where provided. Order: Albuterol 1.2 mg p.o. t.i.d. is ordered for a child weighing 27 lb. The recommended dosage is 0.3 mg/kg/24 hr divided q8h. Available: a. What is the child's weight in kilograms? _____ b. What is the safe 24-hr dosage for this child? _____ c. What is the divided dosage? _____ d. Is the dosage ordered safe? (Prove mathematically.) _______________ Explain your action. ______________________________ e. How many milliliters of albuterol are needed to administer the dosage? _____

Directions: Calculate the following children's dosages. - Order: Garamycin 15 mg IV q8h Available: How many milliliters will you administer? _____ mL

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. The volume of a 75-mg dosage of medication is 3 mL. Dilute to 55 mL and infuse over 45 min. a. Dilution volume: _____ b. gtt/min: _____ c. mL/hr: _____