The doctor orders Augmentin 250 mg po q6h. The drug comes in a 2 gram vial. Directions say to reconstitute with 77.2 mL of sterile water to yield a solution of 125 mg/5 mL. How many mL will you administer to the client for the correct dose?
2 mL
8 mL
10mL
15 mL
The Correct Answer is C
Given:
Ordered dose of Augmentin: 250 mg
Drug comes in a 2 gram vial
Reconstituted volume: 77.2 mL
Concentration after reconstitution: 125 mg/5 mL
Step 1: Calculate the total volume of the reconstituted solution:
Total volume = 77.2 mL
Step 2: Calculate the total amount of Augmentin in the solution:
Total amount (mg) = Concentration (mg/mL) x Total volume (mL)
Total amount (mg) = 125 mg/5 mL x 77.2 mL
Total amount (mg) = 1930 mg
Step 3: Determine the number of doses in the vial:
Number of doses = Total amount (mg) / Ordered dose (mg/dose)
Number of doses = 1930 mg / 250 mg/dose
Number of doses = 7.72 doses
Step 4: Calculate the volume per dose:
Volume per dose (mL) = Total volume (mL) / Number of doses
Volume per dose (mL) = 77.2 mL / 7.72 doses
Volume per dose (mL) = 10 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Given:
Ordered dose of Heparin: 9 units/kg/hr
Patient weight: 76 kg
Concentration of Heparin: 50 units/mL
Step 1: Calculate the total dose of Heparin:
Total dose (units/hr) = Ordered dose (units/kg/hr) x Patient weight (kg)
Total dose (units/hr) = 9 units/kg/hr x 76 kg
Total dose (units/hr) = 684 units/hr
Step 2: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Total dose (units/hr) / Concentration (units/mL)
Infusion rate (mL/hr) = 684 units/hr / 50 units/mL
Infusion rate (mL/hr) = 13.68 mL/hr
Step 3: Round to the nearest tenth:
Infusion rate (mL/hr) ≈ 13.7 mL/hr
Correct Answer is C
Explanation
A) High protein diet:
While a healthy diet is essential for managing heart disease, a high-protein diet is not specifically recommended as a nonpharmacologic control for heart disease. A balanced diet that includes adequate protein, healthy fats, and low saturated fats, while being high in fruits, vegetables, and whole grains, is more beneficial for heart health.
B) Decrease exercise:
Decreasing exercise is not recommended for heart disease management. In fact, regular physical activity is a key aspect of preventing and managing heart disease. Moderate exercise, such as walking, swimming, or cycling, helps improve cardiovascular health by lowering blood pressure, improving cholesterol levels, and reducing stress.
C) Smoking cessation:
Smoking cessation is one of the most important nonpharmacologic strategies for managing heart disease. Smoking is a major risk factor for heart disease because it damages the blood vessels, increases blood pressure, and promotes the formation of blood clots. Quitting smoking can significantly reduce the risk of heart disease, improve circulation, and lower the risk of heart attack and stroke.
D) Increase water intake:
While staying hydrated is important for overall health, there is no specific evidence to suggest that increasing water intake directly controls heart disease. However, maintaining proper hydration supports kidney function and circulatory health, and can assist with managing blood pressure.
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