A nurse has to administer 0.05 mcg/kg of a medication to an infant who weighs 7 kg.
Calculate the dose that the nurse should administer to the infant.

To calculate the gt/min flow rate, we need to determine the total number of drops and divide it by the total time in minutes.

First, let's convert the volume from liters to milliliters:

1 L = 1000 mL

Next, we need to determine the total number of drops. This can be calculated using the drop factor and the volume of the solution:

Total drops = Volume (mL) * Drop factor

= 1000 mL * 15 gt/mL

= 15000 gt

Now, we need to calculate the flow rate in gt/min. We divide the total drops by the total time in minutes: Flow rate = Total drops / Total time (min)

= 15000 gt / 360 min

≈ 41.67 gt/min (rounded to the nearest whole number)

Therefore, the correct answer is:

a. 41.6 gt/min

To find the milligrams per minute, you need to calculate the following:

- The volume of Lopressor in milliliters
- The infusion rate in milliliters per minute using the formula: Infusion rate (mL/min) = Total volume (mL) / Time (min)
- The dose of Lopressor in milligrams per minute using the formula: Dose (mg/min) = Infusion rate (mL/min) x Concentration (mg/mL)

First, divide the dose of Lopressor by the concentration to get the volume in milliliters:

5 mg / 1 mg/mL = 5 mL

Next, use the formula for infusion rate to find how many milliliters per minute the IV pump should deliver:

Infusion rate (mL/min) = Total volume (mL) / Time (min)

Since the total volume is 5 mL and the time is 2 minutes, plug in these values into the formula:

Infusion rate (mL/min) = 5 mL / 2 min

Simplify and solve for the infusion rate:

Infusion rate (mL/min) = 2.5 mL/min

Then, use the formula for dose to find how many milligrams per minute the patient should receive:

Dose (mg/min) = Infusion rate (mL/min) x Concentration (mg/mL)

Since the infusion rate is 2.5 mL/min and the concentration is 1 mg/mL, plug in these values into the formula:

Dose (mg/min) = 2.5 mL/min x 1 mg/mL

Simplify and solve for the dose:

Dose (mg/min) = 2.5 mg/min

Therefore, the patient should receive **2.5 mg/min** of Lopressor.