A nurse is reviewing instructions with an adolescent client who is to take calcium carbonate 1,300 mg PO daily. After reviewing the medication label below, the nurse should instruct the client that one tablet contains how many mg of calcium carbonate? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

The Correct Answer is ["650"]
Step by step calculation:
Plug in the values:
1 tablet contains 650 mg of calcium carbonate.
Perform the calculations:
1 tablet / 650 mg = 1 tablet / x mg
Solve for x:
Cross-multiply: 650 mg x 1 tablet = 1 tablet x x mg
Rounding and final answer:
x = 650 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.3"]
Explanation
Step-by-step calculation:
The child's weight is 55 lb.
The medication dosage is 2 mg/kg.
The available medication concentration is 40 mg/mL.
Calculating the total dose in mg:
Convert the child's weight to kg: 55 lb ÷ 2.2 lb/kg = 25 kg
Calculate the total dose: 25 kg × 2 mg/kg = 50 mg
Calculating the volume to administer:
Use the concentration of the medication: 50 mg ÷ 40 mg/mL = 1.25 mL
Rounding the answer:1.25 rounds to 1.3 mL
Correct Answer is ["0.45"]
Explanation
Calculating the total dose in mg:
Convert the child's weight to kg: 74 lb ÷ 2.2 lb/kg = 33.64 kg
Calculate the total dose: 33.64 kg × 4 mcg/kg = 134.56 mcg
Converting mcg to mg:
1 mg = 1000 mcg
134.56 mcg ÷ 1000 mcg/mg = 0.13456 mg
Calculating the volume to administer:
Use the concentration of the medication: 0.13456 mg ÷ 0.3 mg/mL = 0.45 mL
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