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Questions and Answers
What is the maximum capacity of most commercially available Class A prescription balances?
What is the maximum capacity of most commercially available Class A prescription balances?
What is the sensitivity requirement (SR) for Class A prescription balances without a load?
What is the sensitivity requirement (SR) for Class A prescription balances without a load?
To maintain an error margin of less than 5% using a Class A balance, what is the minimum weight of material that should be measured?
To maintain an error margin of less than 5% using a Class A balance, what is the minimum weight of material that should be measured?
What is the allowable error in weighing 120 milligrams of material using a Class A balance?
What is the allowable error in weighing 120 milligrams of material using a Class A balance?
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With a load of 10 grams, what should be the sensitivity of a Class A balance?
With a load of 10 grams, what should be the sensitivity of a Class A balance?
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Study Notes
Weighing Accuracy in Pharmacy
- Class A prescription balances are mandatory for all compounding procedures.
- These balances have a sensitivity requirement (SR) of 6 milligrams or less, both unloaded and loaded with 10 grams in each pan.
- Errors greater than 5% should be avoided.
- For minimal weighing error, weigh at least 120 milligrams. (5% error in 120mg = 6mg)
- Most Class A balances have a maximum weighing capacity of 120 grams.
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Description
Test your knowledge about the precision requirements for Class A prescription balances in pharmacy compounding. This quiz covers the sensitivity requirements, error tolerances, and weighing capacities critical for accurate medication preparation. Challenge yourself to ensure you're equipped with essential weighing skills.
