Pharmacy Technician PTCB Practice Test

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How much white petrolatum, in g, should be used to compound this prescription?

The correct answer is: 85

White petrolatum is a common ingredient used in the compounding of various prescription products, such as ointments and creams. In this case, the correct answer is C. 85g because the amount of white petrolatum required for compounding the prescription must be precise to ensure the correct concentration and consistency of the final product. White petrolatum is typically measured by weight, and using an incorrect amount could result in an ineffective or potentially harmful product for the patient. Therefore, it is essential to follow the specific instructions provided in the prescription to accurately compound the product. Incorrect Answers: - A. 75g, B. 80g, D. 90g: These amounts are not the correct quantity of white petrolatum required for compounding the prescription in question. It is crucial to measure and use the exact amount specified in the prescription to ensure the medication's safety and efficacy.