The dose is 8mg. The supply is 4mg/ml. How many ml does the nurse give?
The correct answer and Explanation is :
To find out how many milliliters (ml) the nurse should administer, we can use a simple formula:
[
\text{Volume to administer (ml)} = \frac{\text{Prescribed dose (mg)}}{\text{Concentration of drug (mg/ml)}}
]
In this case, the prescribed dose is 8 mg, and the concentration is 4 mg/ml. Using the formula:
[
\frac{8 \, \text{mg}}{4 \, \text{mg/ml}} = 2 \, \text{ml}
]
Thus, the nurse should administer 2 ml of the solution.
Explanation:
In healthcare, precise drug dosage calculations are essential to ensure patient safety and effective treatment. In this scenario, the nurse needs to calculate how much liquid medication to give based on the prescribed dose and the concentration of the drug available.
The concentration tells you how much drug is in each milliliter (ml) of the solution. The prescribed dose is the amount of drug the doctor has ordered. To determine how many milliliters to administer, divide the prescribed dose by the concentration. In this case, the concentration is 4 mg/ml, meaning each ml contains 4 mg of the drug.
If the patient requires 8 mg, you need to calculate how many ml will contain that amount. Since each ml contains 4 mg, dividing the prescribed dose (8 mg) by the concentration (4 mg/ml) gives the result of 2 ml. Therefore, 2 ml of the solution will provide the patient with the 8 mg dose required.
This method of dosage calculation is common in nursing practice and helps prevent underdosing or overdosing, which could lead to complications or ineffective treatment. Nurses often use similar calculations in various clinical settings, particularly when administering liquid medications intravenously, subcutaneously, or intramuscularly.