[STUDY GUIDE] • HIGH-YIELD PRACTICE & REVIEW EDITION
Dosage Calculations ATIs 220+ (2026/2027
Updated) Solved Exams + 100% Verified
Solutions Complete Q&A
Comprehensive Examination Question Bank • In-Depth Rationales • Concept Mapping
TOTAL QUESTIONS EXAM TOPICS RATIONALES
225 Questions 12 Modules 100% Verified
DOCUMENT OVERVIEW
This document contains 225 verified questions with correct answers related to dosage calculations in
pharmacology. Each item is designed to enhance understanding of medication administration and calculations,
providing key insights for students preparing for certification and course reviews.
EXAM BLUEPRINT & TOPIC DISTRIBUTION
Systematic breakdown of subject domains and exam coverage.
Topic Module Scope & Core Focus
Dosage Calculations Focuses on the principles and methods for calculating medication dosages accurately.
Pharmacokinetics Covers the absorption, distribution, metabolism, and excretion of drugs.
Medication Administration Routes Explores various routes of medication administration and their implications.
Fluid Management Discusses fluid balance and the calculations necessary for intravenous fluid administration.
Pediatric Pharmacology Addresses dosage considerations and calculations specific to pediatric patients.
Drug Interactions Examines potential interactions between medications and their effects on patient care.
Teaches methods to determine the rate of intravenous infusions based on prescribed
Calculating IV Infusion Rates therapies.
Medication Safety Highlights the importance of accuracy in medication calculations to prevent errors.
Pharmaceutical Formulations Discusses different formulations of medications and their impact on dosing.
Mathematics in Pharmacy Integrates mathematical concepts necessary for effective pharmacological practice.
Confidential • Student Study Edition • Practice & Review Guide Page 1 of 52
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
Rounding Rules in Dosage
Calculations Details the rules for rounding dosages to ensure safe medication administration.
Patient Weight Calculations Focuses on converting and calculating dosages based on patient weight.
Total Exam Coverage 12 Integrated Topic Modules • 225 Examination Questions
Confidential • Student Study Edition • Practice & Review Guide Page 2 of 52
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 1
A nurse is preparing to administer erythromycin ethylsuccinate 50 mg/kg/day PO
divided in equal doses every 6 hr to a toddler who weighs 32 lb. Available is
erythromycin ethylsuccinate suspension 200mg/5ml. How many ml should the nurse
administer per dose? (Round to the nearest whole number. Use a leading 0 if it applies.
Don't use a trailing zero.)
Correct Answer: 4.5 ML.
QUESTION 2
A nurse is converting a toddler's weight from lb to kg. If the toddler weighs 17 lb 9 oz,
what is the toddler's weight in kg? (Round to the nearest whole number. Use a leading
zero if it applies. Do not use a trailing zero.)
Correct Answer: 8 Kg.
QUESTION 3
A nurse is preparing to administer phenytoin 15 mg/kg/day PO divided in three equal
doses to a client who weighs 120 lb. Available is phenytoin suspension 125 mg/5ml.
How many mL should the nurse administer per dose?
Correct Answer: 10.9 ML.
QUESTION 4
A nurse is preparing to administer amoxicillin 30 mg/kg/day PO divided in equal doses
every 12 hr to an infant who weighs 5.5 kg. Available is amoxicillin suspension 125
mg/5 mL. How many mL should the nurse administer per dose?
Correct Answer: 3.3 ML.
Confidential • Student Study Edition • Practice & Review Guide Page 3 of 52
, STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 5
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a preschooler who
weighs 20 kg. Available is tobramycin injection 40 mg/ml. How many mL should the
nurse administer per dose?
Correct Answer: 1.3 ML.
QUESTION 6
A nurse is preparing to administer gentamicin to a client who weighs 165 lb. The
medication reference recommends administering 2 mg/kg IM every 8 hr. How many mg
should the nurse plan to administer per dose?
Correct Answer: 150 Mg.
QUESTION 7
A nurse is preparing to administer ceftazidime 40 mg/kg IV bolus every 8 hr to a toddler
who weighs 22 lb. Available is ceftazidime injection 40 mg/ml. How many mL should the
nurse administer per dose?
Correct Answer: 10 ML.
QUESTION 8
A nurse is preparing to administer potassium chloride 5 mEq/kg/day PO divided in
equal doses every 6 hr to a child who weighs 64 lb. Available is potassium chloride
liquid 40 mEq/15 ml. How many mL should the nurse administer per dose?
Correct Answer: 13.6 ML.
QUESTION 9
A nurse is preparing to administer potassium gluconate 3 mEq/kg/day PO divided in
equal doses every 6 hr to a preschooler who weighs 42 lb. Available is potassium
gluconate liquid 20 mEq/15ml. How many mL should the nurse administer per dose?
Correct Answer: 11 ML.
Confidential • Student Study Edition • Practice & Review Guide Page 4 of 52
Dosage Calculations ATIs 220+ (2026/2027
Updated) Solved Exams + 100% Verified
Solutions Complete Q&A
Comprehensive Examination Question Bank • In-Depth Rationales • Concept Mapping
TOTAL QUESTIONS EXAM TOPICS RATIONALES
225 Questions 12 Modules 100% Verified
DOCUMENT OVERVIEW
This document contains 225 verified questions with correct answers related to dosage calculations in
pharmacology. Each item is designed to enhance understanding of medication administration and calculations,
providing key insights for students preparing for certification and course reviews.
EXAM BLUEPRINT & TOPIC DISTRIBUTION
Systematic breakdown of subject domains and exam coverage.
Topic Module Scope & Core Focus
Dosage Calculations Focuses on the principles and methods for calculating medication dosages accurately.
Pharmacokinetics Covers the absorption, distribution, metabolism, and excretion of drugs.
Medication Administration Routes Explores various routes of medication administration and their implications.
Fluid Management Discusses fluid balance and the calculations necessary for intravenous fluid administration.
Pediatric Pharmacology Addresses dosage considerations and calculations specific to pediatric patients.
Drug Interactions Examines potential interactions between medications and their effects on patient care.
Teaches methods to determine the rate of intravenous infusions based on prescribed
Calculating IV Infusion Rates therapies.
Medication Safety Highlights the importance of accuracy in medication calculations to prevent errors.
Pharmaceutical Formulations Discusses different formulations of medications and their impact on dosing.
Mathematics in Pharmacy Integrates mathematical concepts necessary for effective pharmacological practice.
Confidential • Student Study Edition • Practice & Review Guide Page 1 of 52
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
Rounding Rules in Dosage
Calculations Details the rules for rounding dosages to ensure safe medication administration.
Patient Weight Calculations Focuses on converting and calculating dosages based on patient weight.
Total Exam Coverage 12 Integrated Topic Modules • 225 Examination Questions
Confidential • Student Study Edition • Practice & Review Guide Page 2 of 52
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 1
A nurse is preparing to administer erythromycin ethylsuccinate 50 mg/kg/day PO
divided in equal doses every 6 hr to a toddler who weighs 32 lb. Available is
erythromycin ethylsuccinate suspension 200mg/5ml. How many ml should the nurse
administer per dose? (Round to the nearest whole number. Use a leading 0 if it applies.
Don't use a trailing zero.)
Correct Answer: 4.5 ML.
QUESTION 2
A nurse is converting a toddler's weight from lb to kg. If the toddler weighs 17 lb 9 oz,
what is the toddler's weight in kg? (Round to the nearest whole number. Use a leading
zero if it applies. Do not use a trailing zero.)
Correct Answer: 8 Kg.
QUESTION 3
A nurse is preparing to administer phenytoin 15 mg/kg/day PO divided in three equal
doses to a client who weighs 120 lb. Available is phenytoin suspension 125 mg/5ml.
How many mL should the nurse administer per dose?
Correct Answer: 10.9 ML.
QUESTION 4
A nurse is preparing to administer amoxicillin 30 mg/kg/day PO divided in equal doses
every 12 hr to an infant who weighs 5.5 kg. Available is amoxicillin suspension 125
mg/5 mL. How many mL should the nurse administer per dose?
Correct Answer: 3.3 ML.
Confidential • Student Study Edition • Practice & Review Guide Page 3 of 52
, STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 5
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a preschooler who
weighs 20 kg. Available is tobramycin injection 40 mg/ml. How many mL should the
nurse administer per dose?
Correct Answer: 1.3 ML.
QUESTION 6
A nurse is preparing to administer gentamicin to a client who weighs 165 lb. The
medication reference recommends administering 2 mg/kg IM every 8 hr. How many mg
should the nurse plan to administer per dose?
Correct Answer: 150 Mg.
QUESTION 7
A nurse is preparing to administer ceftazidime 40 mg/kg IV bolus every 8 hr to a toddler
who weighs 22 lb. Available is ceftazidime injection 40 mg/ml. How many mL should the
nurse administer per dose?
Correct Answer: 10 ML.
QUESTION 8
A nurse is preparing to administer potassium chloride 5 mEq/kg/day PO divided in
equal doses every 6 hr to a child who weighs 64 lb. Available is potassium chloride
liquid 40 mEq/15 ml. How many mL should the nurse administer per dose?
Correct Answer: 13.6 ML.
QUESTION 9
A nurse is preparing to administer potassium gluconate 3 mEq/kg/day PO divided in
equal doses every 6 hr to a preschooler who weighs 42 lb. Available is potassium
gluconate liquid 20 mEq/15ml. How many mL should the nurse administer per dose?
Correct Answer: 11 ML.
Confidential • Student Study Edition • Practice & Review Guide Page 4 of 52
