An infusion at 3 mcg/kg/min. The drug is available as 600 mg in 1000 mL of fluid. The client weighs 150 pounds. Calculate. Do not round, if applicable.
The Correct Answer is ["20.46"]
Step 1: Convert the client's weight from pounds to kilograms.
150 pounds ÷ 2.2 = 68.18 kg
Result at each step = 68.18 kg
Step 2: Calculate the dose in mcg/min.
3 mcg/kg/min × 68.18 kg = 204.54 mcg/min
Result at each step = 204.54 mcg/min
Step 3: Convert the dose from mcg to mg.
204.54 mcg ÷ 1000 = 0.20454 mg/min
Result at each step = 0.20454 mg/min
Step 4: Calculate the infusion rate in mL/min.
0.20454 mg/min ÷ 600 mg × 1000 mL = 0.341 mL/min
Result at each step = 0.341 mL/min
Step 5: Convert the infusion rate to mL/hour.
0.341 mL/min × 60 min/hour = 20.46 mL/hour
Result at each step = 20.46 mL/hour
So, the infusion rate is 20.46 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Pneumonia is an infection of the lungs, not the ear. It primarily affects the alveoli, causing symptoms like cough, fever, and difficulty breathing. While respiratory infections can sometimes lead to ear infections, pneumonia itself does not directly infect the ear.
Choice B Reason:
Endocarditis is an infection of the inner lining of the heart chambers and valves. It is typically caused by bacteria entering the bloodstream and does not affect the ear. Symptoms include fever, heart murmurs, and fatigue.
Choice C Reason:
Myocarditis is an inflammation of the heart muscle, usually caused by viral infections. It affects the heart's ability to pump blood and does not involve the ear. Symptoms can include chest pain, fatigue, and shortness of breath.
Correct Answer is ["B","C"]
Explanation
Choice A Reason:
First-degree heart block is a condition where the electrical signals in the heart are delayed but still reach the ventricles. It is generally considered benign and does not typically lead to heart failure. It is often asymptomatic and discovered incidentally on an ECG.
Choice B Reason:
Atrial fibrillation (AFib) is a common arrhythmia associated with heart failure. AFib causes the atria to beat irregularly and often rapidly, which can lead to poor blood flow and increased risk of stroke. In heart failure patients, AFib can exacerbate symptoms and worsen the prognosis due to the loss of atrial contraction and irregular ventricular response.
Choice C Reason:
Ventricular tachycardia (VT) is a serious arrhythmia that is often associated with heart failure. VT originates in the ventricles and can lead to hemodynamic instability and sudden cardiac death if not treated promptly. It is a common complication in patients with heart failure and cardiomyopathy.
Choice D Reason:
Sinus bradycardia is a slower than normal heart rate, typically less than 60 beats per minute. While it can occur in healthy individuals, especially athletes, it is not specifically associated with heart failure. In some cases, severe bradycardia can lead to symptoms of heart failure, but it is not a primary arrhythmia linked to the condition.
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