Questions: Mr. Glum has been started on furosemide (Lasix) 5 mg IV q 12 h. If available preparation of the medication is 2500 mcg / ml. How much should the nurse prepare to administer? A. 1.0 ml B. 2.5 ml C. 0.8 ml D. 2.0 ml

Mr. Glum has been started on furosemide (Lasix) 5 mg IV q 12 h. If available preparation of the medication is 2500 mcg / ml. How much should the nurse prepare to administer? A. 1.0 ml B. 2.5 ml C. 0.8 ml D. 2.0 ml
Transcript text: Mr. Glum has been started on furosemide (Lasix) 5 mg IV q 12 h. If available preparation of the medication is $2500 \mathrm{mcg} / \mathrm{ml}$. How much should the nurse prepare to administer? A. $\quad 1.0 \mathrm{ml}$ B. $\quad 2.5 \mathrm{ml}$ C. $\quad 0.8 \mathrm{ml}$ D. $\quad 2.0 \mathrm{ml}$
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Solution

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Solution Steps

To determine the volume of medication the nurse should prepare, we need to convert the prescribed dose from mg to mcg and then use the concentration of the available preparation to find the volume in ml.

  1. Convert the prescribed dose from mg to mcg.
  2. Use the concentration of the medication to calculate the required volume.
Step 1: Convert the prescribed dose from mg to mcg

The prescribed dose is \(5 \, \text{mg}\). To convert this to micrograms (mcg), we use the conversion factor \(1 \, \text{mg} = 1000 \, \text{mcg}\).

\[ 5 \, \text{mg} \times 1000 \, \frac{\text{mcg}}{\text{mg}} = 5000 \, \text{mcg} \]

Step 2: Calculate the volume to administer

The available preparation of the medication has a concentration of \(2500 \, \text{mcg/ml}\). To find the volume in milliliters (ml) that corresponds to the prescribed dose, we use the formula:

\[ \text{Volume} = \frac{\text{Prescribed Dose}}{\text{Concentration}} \]

Substituting the values:

\[ \text{Volume} = \frac{5000 \, \text{mcg}}{2500 \, \text{mcg/ml}} = 2.0 \, \text{ml} \]

Final Answer

The nurse should prepare to administer \( \boxed{2.0 \, \text{ml}} \). The answer is D.

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