Order: Levaquin 350 mg is added to 500 mL D5W to infuse over 8 hours. Drop factor: 10 gtt/mL. For IV reconstitute with 1o mL. of diluent to get 100 mg per 10 mL. (Consider the medication added in the volume of fluid.) Calculate the rate in gtt/min at which the IV should infuse
7 gtt/min
11 gtz/min
10 gtt/min
100 gtt/min
The Correct Answer is B
Given:
Volume of fluid: 500 mL
Infusion time: 8 hours
Drop factor: 10 gtt/mL
Medication volume: 10 mL (added to the fluid)
Step 1: Calculate the total volume to be infused:
Total volume = Volume of fluid + Volume of medication
Total volume = 500 mL + 10 mL
Total volume = 510 mL
Step 2: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Total volume (mL) / Infusion time (hr)
Infusion rate (mL/hr) = 510 mL / 8 hr
Infusion rate (mL/hr) = 63.75 mL/hr
Step 3: Calculate the infusion rate in gtt/min:
Infusion rate (gtt/min) = Infusion rate (mL/hr) x Drop factor (gtt/mL) / 60 min/hr
Infusion rate (gtt/min) = 63.75 mL/hr x 10 gtt/mL / 60 min/hr
Infusion rate (gtt/min) = 10.625 gtt/min
Step 4: Round to the nearest whole number:
Infusion rate (gtt/min) ≈ 11 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is A
Explanation
A) They should not be abruptly stopped:
Beta blockers should not be abruptly discontinued because sudden withdrawal can lead to rebound hypertension, tachycardia, and even a risk of acute myocardial infarction (MI) in patients with heart disease. Gradual tapering is recommended to allow the body to adjust and avoid these adverse effects.
B) They are safe to take with herbal medications:
Herbal medications can interact with beta blockers and alter their effectiveness or increase the risk of side effects. For example, herbs like St. John's wort can decrease the effectiveness of beta blockers, while others like ginseng may increase the risk of side effects like high blood pressure. It is important to consult with a healthcare provider before taking any herbal supplements with beta blockers.
C) It isn't necessary to monitor lab results:
While beta blockers don't require regular lab tests for their direct effects, monitoring is important in certain patients, especially those with underlying conditions like heart failure, kidney disease, or diabetes. For example, monitoring renal function, electrolytes, and blood glucose may be necessary for patients who are taking other medications alongside beta blockers or who have coexisting conditions.
D) Taking over-the-counter medications is acceptable:
Many over-the-counter (OTC) medications can interact with beta blockers and affect their effectiveness or cause adverse effects. For example, decongestants (found in many cold medications) can raise blood pressure and counteract the effects of beta blockers.
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