The patient needs regular insulin and NPH insulin subcutaneously. The nurse will mix both insulins in the same syringe.
What is the correct technique for preparing this insulin order?
Draw up the NPH insulin into the insulin syringe followed by the regular insulin.
Draw up one-half of the NPH insulin followed by one-half of the regular insulin and repeat.
Draw up the regular insulin into the insulin syringe followed by the NPH insulin.
Draw up one-half of the regular insulin followed by one-half of the NPH insulin and repeat.
Draw up one-half of the regular insulin followed by one-half of the NPH insulin and repeat.
The Correct Answer is C
When mixing regular and NPH insulin, it is important to follow the correct steps to ensure proper administration. The general rule is to inject air into the NPH vial, then inject air into the regular vial, draw up the regular insulin, and then draw up the NPH insulin¹.
A. Drawing up the NPH insulin first would be incorrect because it could contaminate the regular insulin with NPH insulin.
B. Drawing up one-half of each insulin at a time would be incorrect because it could result in an inaccurate dosage.
D. Drawing up one-half of each insulin at a time would be incorrect because it could result in an inaccurate dosage.
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Related Questions
Correct Answer is A
Explanation
To calculate the dosage of Dobutamine in milligrams per hour (mg/hr), we need to convert the patient's
weight from pounds to kilograms and then multiply it by the ordered dose.
First, let's convert the patient's weight from pounds to kilograms:
110 lb / 2.2046 = 49.9 kg (rounded to the nearest tenth)
Now, we can calculate the dosage in milligrams per hour: Dosage = dose per kg/min x weight in kg x 60 min/hr Dosage = 10 mcg/kg/min x 49.9 kg x 60 min/hr
To convert mcg to mg, divide by 1000:
Dosage = (10 mcg/kg/min x 49.9 kg x 60 min/hr) / 1000
Calculating the dosage:
Dosage = 29.94 mg/hr (rounded to the nearest hundredth)
Therefore, the patient should receive approximately 30 mg/hr of Dobutamine, which corresponds to the option.
Correct Answer is B
Explanation
To calculate the rate at which the nurse should set the IV pump to deliver the LR infusion, we need to divide
the total volume (500 ml) by the total time (2 hours).
500 ml / 2 hours = 250 ml/hr
Therefore, the nurse should set the IV pump to deliver the LR infusion at a rate of b. 250 mL/hr.
a. 100 mL/hr: This rate is too low and would result in the infusion taking longer than the prescribed 2 hours.
c. 500 mL/hr: This rate is too high and would result in the infusion being delivered faster than the prescribed 2 hours.
d. 1000 mL/hr: This rate is even higher than the total volume of the infusion divided by the total time. It
would deliver the infusion at a significantly faster rate than intended.
Therefore, the correct rate at which the nurse should set the IV pump to deliver the LR infusion is b. 250 mL/hr, as it ensures that the infusion is delivered over the prescribed 2-hour timeframe
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