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A patient's medication dose was changed from 0.06 mg to a new dose of 0.054 mg. In reviewing the change in dose, the nurse is correct to inform the patient that:

A.

0.054 mg is more than 0.06 mg.

B.

The new dose is calculated to the thousandths place so it is 10 times greater.

C.

The new dose is about the same as the previous dose of 0.06 mg.

D.

0.054 mg is less than 0.06 mg.

Answer and Explanation

The Correct Answer is D

A. 0.054 mg is more than 0.06 mg: Numerically, 0.054 is less than 0.06, so this statement is incorrect. Administering 0.054 mg would result in a slightly lower dose than 0.06 mg.

B. The new dose is calculated to the thousandths place so it is 10 times greater: Changing the decimal place does not increase the dose tenfold. In fact, 0.054 mg is slightly smaller than 0.06 mg.

C. The new dose is about the same as the previous dose of 0.06 mg: While 0.054 mg is close to 0.06 mg, it is technically a lower dose. Stating it is “about the same” could be misleading in clinical contexts where precise dosing matters.

D. 0.054 mg is less than 0.06 mg: Comparing the numeric values shows that 0.054 mg is slightly smaller than 0.06 mg. This statement accurately informs the patient of the dose reduction.


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Related Questions

Correct Answer is C

Explanation

A. 750 x 1,500 = 1 x X: This incorrectly multiplies the known dose by the desired dose without following the proper proportion rule of means and extremes.

B. 1 x 1,500 = 750 × X: This setup places the number of tablets on the wrong side of the equation, making the calculation incorrect.

C. 1 x x = 750 × 1,500: This correctly applies the rule of means and extremes, multiplying the means (1 and 1,500) and extremes (750 and x) to solve for the unknown number of tablets.

D. 750 x 1 = 1,500 x x: This reverses the proportion setup and does not accurately solve for x, leading to an incorrect calculation

Correct Answer is A

Explanation

Calculation:

  • Convert the Ordered Dose from grams (g) to milligrams (mg).

Ordered Dose = 0.75 g

Conversion factor = 1 g = 1,000 mg

Ordered Dose (mg) = 0.75 g x 1,000 mg/g

= 750 mg

Dose Ordered (D) = 750 mg (the converted dose)

Dose Available (H) = 250 mg

Quantity (Q) = 5 mL

Volume (mL) = (Dose Ordered (D) / Dose Available (H)) x Quantity (Q)

= (750 mg / 250 mg) x 5 mL

= 3 x 5 mL

= 15 mL

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