A nurse is preparing to administer furosemide 0.1 mg/kg via IV bolus to a client who weighs 183 lb. Available is furosemide 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth.
Use a leading zero if it applies.
Do not use a trailing zero.). mL. .
The Correct answer and Explanation is:
To determine how many mL of furosemide to administer, we will follow a systematic approach:
Step 1: Convert Weight from Pounds to Kilograms
The first step is to convert the client’s weight from pounds to kilograms, as the dosage is prescribed in mg/kg. The conversion factor is:
[
1 \text{ lb} = 0.453592 \text{ kg}
]
Thus, for a client weighing 183 lb:
[
183 \text{ lb} \times 0.453592 \text{ kg/lb} \approx 83.0 \text{ kg}
]
Step 2: Calculate the Dosage in mg
Next, we will calculate the dosage of furosemide required based on the client’s weight:
[
\text{Dosage} = 0.1 \text{ mg/kg} \times 83.0 \text{ kg} = 8.3 \text{ mg}
]
Step 3: Determine the Volume to Administer
We know the concentration of furosemide available is 10 mg/mL. To find out how many mL to administer for the calculated dose of 8.3 mg, we can use the following formula:
[
\text{Volume (mL)} = \frac{\text{Dose (mg)}}{\text{Concentration (mg/mL)}}
]
Substituting the values we have:
[
\text{Volume (mL)} = \frac{8.3 \text{ mg}}{10 \text{ mg/mL}} = 0.83 \text{ mL}
]
Step 4: Round to the Nearest Tenth
According to the problem’s requirements, we need to round to the nearest tenth. Thus, 0.83 mL rounded to the nearest tenth is:
[
0.8 \text{ mL}
]
Final Calculation
The nurse should administer 0.8 mL of furosemide via IV bolus.
Summary
In summary, we converted the client’s weight from pounds to kilograms, calculated the required furosemide dosage based on their weight, determined the volume based on the available concentration, and rounded to the nearest tenth. This process illustrates the importance of precise calculations and adherence to guidelines in medication administration, which is essential for patient safety and effective treatment.