A nurse is preparing to administer gentamicin 5 mg/kg via intermittent IV bolus to a client who weighs 210 lb. The amount available is gentamicin 10 mg/mL. How many ml, should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["48"]
To calculate how many milliliters (ml) of gentamicin to administer, follow these steps:
Calculate the client's weight in kilograms: Weight in kilograms = Weight in pounds / 2.2
Weight in kilograms = 210 lb / 2.2 Weight in kilograms ≈ 95.45 kg
Determine the dose based on the weight: Dose = 5 mg/kg × Weight in kilograms Dose = 5 mg/kg × 95.45 kg Dose ≈ 477.25 mg
Check the concentration of the available gentamicin: Concentration = 10 mg/mL
Calculate the volume (ml) to administer: Volume (ml) = Dose (mg) / Concentration (mg/ml) Volume (ml) = 477.25 mg / 10 mg/ml Volume (ml) ≈ 47.73 ml
Rounded to the nearest whole number, the nurse should administer approximately 48 ml of gentamicin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.75"]
Explanation
To calculate the volume of heparin (in milliliters) to administer, you can use the following formula:
Volume (mL) = Desired dose (units) / Concentration (units/mL)
In this case, the desired dose is 7,500 units, and the concentration is 10,000 units/mL.
Volume (mL) = 7,500 units / 10,000 units/mL
Volume (mL) = 0.75 mL
So, the nurse should administer 0.75 mL of heparin.
Correct Answer is ["300"]
Explanation
-
Convert tablespoons to milliliters:
- 1 tablespoon (Tbsp) = 15 mL
-
Determine the concentration of guaifenesin:
- The concentration is 100 mg per 5 mL
-
Calculate the amount of guaifenesin per 1 tablespoon (15 mL):
- First, find out how many milligrams are in 1 mL:
- 100 mg / 5 mL = 20 mg/mL
- Then, multiply by 15 mL:
- 20 mg/mL × 15 mL = 300 mg
- First, find out how many milligrams are in 1 mL:
So, the client is taking 300 mg of guaifenesin with each dose.
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