1
HESI A2 Exam Bank: Mastering Weight
Conversions for Nursing Success (Lbs,
Kg, Oz)
Table of Contents
Subtopic 1: Basic Conversion Between Pounds and Kilograms........................2
Subtopic 2: Ounce Conversions and Ounces to Pounds/Kilograms..................8
Subtopic 3: Mixed Weight Conversion in Clinical Scenarios (Lbs, Kg, Oz,
Grams)...........................................................................................................15
Subtopic 4: Weight Conversion in Fluid Balance and Nutrition (Lbs/Kg to mL
and Calories)..................................................................................................23
Subtopic 5: Drug Dosing and Weight-Based Calculations (Lbs, Kg, mg/kg). . .30
Subtopic 6: Weight Conversions in Renal and Hepatic Dose Adjustments.....37
Subtopic 7: Pediatric Weight Calculations—Age-Specific Weight and Dosage
Interpretation.................................................................................................45
Subtopic 8: Algebra in Pediatric Dosing and Body Surface Area (BSA)
Calculations...................................................................................................52
Subtopic 9: Weight-Based Emergency and Critical Care Dosing (Code Drugs,
Shock Protocols, etc.).....................................................................................59
Subtopic 10: Advanced Clinical Scenarios – Multi-Step Word Problems
Involving Weight Conversions........................................................................67
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Subtopic 1: Basic Conversion Between Pounds
and Kilograms
1. A patient weighs 154 pounds. What is the weight in kilograms?
A. 67.2 kg
B. 70.0 kg
C. 72.5 kg
D. 66.5 kg
Correct Answer: B. 70.0 kg
Rationale: Divide pounds by 2.2 → 154 ÷ 2.2 = 70.0 kg.
2. Convert 95 kilograms to pounds.
A. 198.0 lbs
B. 209.0 lbs
C. 202.0 lbs
D. 214.5 lbs
Correct Answer: B. 209.0 lbs
Rationale: Multiply kilograms by 2.2 → 95 × 2.2 = 209 lbs.
3. A patient is documented as 60.5 kg. What is the weight in pounds?
A. 130 lbs
B. 132.5 lbs
C. 133.1 lbs
D. 135.0 lbs
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Correct Answer: C. 133.1 lbs
Rationale: 60.5 × 2.2 = 133.1 lbs.
4. How many kilograms are in 220 lbs?
A. 90.9 kg
B. 100.0 kg
C. 99.2 kg
D. 101.5 kg
Correct Answer: B. 100.0 kg
Rationale: 220 ÷ 2.2 = 100.0 kg.
5. The medical record indicates a preoperative weight of 47 kg. What is the
equivalent weight in pounds?
A. 102.4 lbs
B. 105.5 lbs
C. 103.4 lbs
D. 108.0 lbs
Correct Answer: C. 103.4 lbs
Rationale: 47 × 2.2 = 103.4 lbs.
6. A nurse weighs a neonate at 7.04 lbs. Convert this to kilograms.
A. 3.12 kg
B. 3.24 kg
C. 3.20 kg
D. 3.18 kg
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Correct Answer: C. 3.20 kg
Rationale: 7.04 ÷ 2.2 = 3.20 kg.
7. A 72.5 kg adult is admitted to the hospital. What is the weight in pounds?
A. 159.5 lbs
B. 162.8 lbs
C. 165.0 lbs
D. 157.0 lbs
Correct Answer: A. 159.5 lbs
Rationale: 72.5 × 2.2 = 159.5 lbs.
8. Convert 110 lbs into kilograms.
A. 48.5 kg
B. 50.0 kg
C. 51.2 kg
D. 49.3 kg
Correct Answer: B. 50.0 kg
Rationale: 110 ÷ 2.2 = 50.0 kg.
9. A patient reports losing 10 kg. How many pounds has the patient lost?
A. 18.5 lbs
B. 22 lbs
C. 24.5 lbs
D. 21.0 lbs
HESI A2 Exam Bank: Mastering Weight
Conversions for Nursing Success (Lbs,
Kg, Oz)
Table of Contents
Subtopic 1: Basic Conversion Between Pounds and Kilograms........................2
Subtopic 2: Ounce Conversions and Ounces to Pounds/Kilograms..................8
Subtopic 3: Mixed Weight Conversion in Clinical Scenarios (Lbs, Kg, Oz,
Grams)...........................................................................................................15
Subtopic 4: Weight Conversion in Fluid Balance and Nutrition (Lbs/Kg to mL
and Calories)..................................................................................................23
Subtopic 5: Drug Dosing and Weight-Based Calculations (Lbs, Kg, mg/kg). . .30
Subtopic 6: Weight Conversions in Renal and Hepatic Dose Adjustments.....37
Subtopic 7: Pediatric Weight Calculations—Age-Specific Weight and Dosage
Interpretation.................................................................................................45
Subtopic 8: Algebra in Pediatric Dosing and Body Surface Area (BSA)
Calculations...................................................................................................52
Subtopic 9: Weight-Based Emergency and Critical Care Dosing (Code Drugs,
Shock Protocols, etc.).....................................................................................59
Subtopic 10: Advanced Clinical Scenarios – Multi-Step Word Problems
Involving Weight Conversions........................................................................67
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Subtopic 1: Basic Conversion Between Pounds
and Kilograms
1. A patient weighs 154 pounds. What is the weight in kilograms?
A. 67.2 kg
B. 70.0 kg
C. 72.5 kg
D. 66.5 kg
Correct Answer: B. 70.0 kg
Rationale: Divide pounds by 2.2 → 154 ÷ 2.2 = 70.0 kg.
2. Convert 95 kilograms to pounds.
A. 198.0 lbs
B. 209.0 lbs
C. 202.0 lbs
D. 214.5 lbs
Correct Answer: B. 209.0 lbs
Rationale: Multiply kilograms by 2.2 → 95 × 2.2 = 209 lbs.
3. A patient is documented as 60.5 kg. What is the weight in pounds?
A. 130 lbs
B. 132.5 lbs
C. 133.1 lbs
D. 135.0 lbs
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Correct Answer: C. 133.1 lbs
Rationale: 60.5 × 2.2 = 133.1 lbs.
4. How many kilograms are in 220 lbs?
A. 90.9 kg
B. 100.0 kg
C. 99.2 kg
D. 101.5 kg
Correct Answer: B. 100.0 kg
Rationale: 220 ÷ 2.2 = 100.0 kg.
5. The medical record indicates a preoperative weight of 47 kg. What is the
equivalent weight in pounds?
A. 102.4 lbs
B. 105.5 lbs
C. 103.4 lbs
D. 108.0 lbs
Correct Answer: C. 103.4 lbs
Rationale: 47 × 2.2 = 103.4 lbs.
6. A nurse weighs a neonate at 7.04 lbs. Convert this to kilograms.
A. 3.12 kg
B. 3.24 kg
C. 3.20 kg
D. 3.18 kg
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Correct Answer: C. 3.20 kg
Rationale: 7.04 ÷ 2.2 = 3.20 kg.
7. A 72.5 kg adult is admitted to the hospital. What is the weight in pounds?
A. 159.5 lbs
B. 162.8 lbs
C. 165.0 lbs
D. 157.0 lbs
Correct Answer: A. 159.5 lbs
Rationale: 72.5 × 2.2 = 159.5 lbs.
8. Convert 110 lbs into kilograms.
A. 48.5 kg
B. 50.0 kg
C. 51.2 kg
D. 49.3 kg
Correct Answer: B. 50.0 kg
Rationale: 110 ÷ 2.2 = 50.0 kg.
9. A patient reports losing 10 kg. How many pounds has the patient lost?
A. 18.5 lbs
B. 22 lbs
C. 24.5 lbs
D. 21.0 lbs
