What volume, in tsp, of a 20 mEq/15 mL solution would deliver a dose of 40 mEq?

Rationale

6 tsp of a 20 mEq/15 mL solution would deliver a dose of 40 mEq.

To determine the volume required to deliver a specific dose, you can use the concentration of the solution. The solution has a concentration of 20 mEq per 15 mL, which translates to a need for 6 tsp to achieve a total of 40 mEq.

A (2) YOUR ANSWER

Choosing 2 tsp would only deliver a fraction of the required dose. Since 20 mEq is present in 15 mL (which is approximately 3 tsp), 2 tsp would yield less than 20 mEq, making it insufficient for a 40 mEq dose.

B (6) CORRECT

This is the correct choice, as 6 tsp corresponds to the required 40 mEq. With the concentration of 20 mEq per 15 mL, you can calculate that 6 tsp (or 30 mL) contains 40 mEq, thus satisfying the dosage requirement.

C (30) YOUR ANSWER

30 tsp is an excessive volume that would far exceed the 40 mEq needed. At the concentration of 20 mEq per 15 mL, 30 tsp would deliver significantly more than 40 mEq, which is unnecessary and impractical for the dosage.

D (40) YOUR ANSWER

40 tsp would also deliver significantly more than the desired 40 mEq. At the concentration provided, this volume is impractical and would lead to an overdose, as it would yield a much higher mEq than required.

Conclusion

To achieve a dose of 40 mEq from a 20 mEq/15 mL solution, one must calculate the required volume in teaspoons. The correct volume is 6 tsp, which aligns perfectly with the dosage needed, avoiding both underdose and overdose scenarios. Understanding the relationship between concentration and volume is crucial in ensuring accurate medication delivery.

What volume, in tsp, of a 20 mEq/15 mL solution would deliver a dose of 40 mEq?

6 tsp of a 20 mEq/15 mL solution would deliver a dose of 40 mEq.

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