Given the following prescription: Lactulose 10 g/15 mL 15 mL PO t.i.d. for 10 days How many tablespoonfuls should be taken at each dose?

Rationale

Each dose of lactulose is equivalent to 1 tablespoonful.

The prescription specifies a dosage of 15 mL, and since 1 tablespoon is equal to approximately 15 mL, the patient should take 1 tablespoonful at each dose.

A (1) CORRECT

This option is correct as 15 mL of lactulose corresponds precisely to 1 tablespoonful. Understanding this conversion is crucial for proper medication administration.

B (2) YOUR ANSWER

This option suggests that the patient should take 2 tablespoonfuls, which would amount to 30 mL. This dosage exceeds the prescribed amount of 15 mL, leading to potential overdose and adverse effects.

C (3) YOUR ANSWER

Selecting 3 tablespoonfuls implies a dosage of 45 mL, significantly higher than the prescribed 15 mL. Such an increase would not only violate the prescription but could also result in severe gastrointestinal side effects.

D (4) YOUR ANSWER

Choosing 4 tablespoonfuls indicates a dose of 60 mL, which is far beyond the recommended 15 mL. This incorrect dosage could lead to dangerous complications, reinforcing the importance of adhering to prescribed amounts.

Conclusion

In conclusion, the prescribed dose of lactulose at 15 mL is accurately represented by taking 1 tablespoonful. Options B, C, and D misinterpret the dosage, leading to overmedication and potential health risks. Adhering to correct dosage measurements is essential for safe medication use, highlighting the importance of understanding volume conversions in prescriptions.

Given the following prescription: Lactulose 10 g/15 mL 15 mL PO t.i.d. for 10 days How many tablespoonfuls should be taken at each dose?

Each dose of lactulose is equivalent to 1 tablespoonful.

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