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A nurse is preparing to administer 0.9% sodium chloride mL IV to infuse over 4 hr to a client. The drop factor of the manual IV tubing 15 gtt/mL. The nurse should set the manual IV infusion to deliver how many git/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["6"]

Calculate the Total Infusion Time in Minutes:

The infusion is to be delivered over 4 hours.

There are 60 minutes in 1 hour.

Total infusion time: 4 hours x 60 minutes/hour = 240 minutes

Calculate the Drip Rate (gtt/min):

We'll use the following formula:

Drip Rate (gtt/min) = (Total Volume (mL) x Drop Factor (gtt/mL)) / Total Infusion Time (minutes)

Plug in the Values and Calculate:

Drip Rate (gtt/min) = (100 mL x 15 gtt/mL) / 240 minutes

Drip Rate (gtt/min) = 1500 gtt / 240 minutes

Drip Rate (gtt/min) = 6.25 gtt/min

Round to the Nearest Whole Number:

6 gtt/min

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Correct Answer is ["0.25"]

Explanation

Order: Filgrastim 250 mcg (micrograms)

Desired Unit: mg (milligrams)

Step 1: Conversion Factor

We need to know the relationship between micrograms (mcg) and milligrams (mg).

1 mg = 1000 mcg

Step 2: Set Up the Conversion

We want to convert 250 mcg to mg. To do this, we'll divide the given dose (250 mcg) by the conversion factor (1000 mcg/mg):

250 mcg x (1 mg / 1000 mcg)

Step 3: Perform the Calculation

Multiply the numerators: 250 x 1 = 250

Multiply the denominators: 1 x 1000 = 1000

Divide the result: 250 / 1000 = 0.25

Step 4: Answer with Correct Units and Rounding

The result is 0.25 mg.

The problem asks us to round to the nearest hundredth, which we already have (0.25).

The problem also states to use a leading zero if it applies (which it does) and not use a

trailing zero (which we don't have).

Answer: 0.25 mg

A. Digoxin 25 mcg/kg via IV bolus every 8 hr x 2 doses B. Dobutamine 15 mcg/kg via continuous IV infusion C. Bumetanide 0.1 mg/kg via IV bolus every 12 hr D. Dextrose 5% in 0.45% sodium chloride with 20 mEq KCl via continuous V Infusion at 50 mL/hr

Correct Answer is A

Explanation

A) Digoxin 25 mcg/kg via IV bolus every 8 hr x 2 doses: This prescription should be clarified. Digoxin is typically prescribed in micrograms (mcg), but the dose of 25 mcg/kg is very high and could lead to toxicity. For a client with heart failure, the usual dosage for digoxin is 0.125–0.25 mg daily, not 25 mcg/kg per dose, which is excessive and potentially dangerous. Therefore, this order should be clarified with the provider.

B) Dobutamine 15 mcg/kg via continuous IV infusion: This is an appropriate dose for dobutamine, which is commonly used in heart failure for its inotropic effects. Dobutamine is typically dosed between 2–20 mcg/kg/min for continuous IV infusion, so 15 mcg/kg/min is within a safe range.

C) Bumetanide 0.1 mg/kg via IV bolus every 12 hr: Bumetanide is a loop diuretic used in heart failure, and the prescribed dose of 0.1 mg/kg every 12 hours is an appropriate dosing regimen for this medication. It is within the typical dosing range, and the interval is also reasonable for managing fluid overload in heart failure.

D) Dextrose 5% in 0.45% sodium chloride with 20 mEq KCl via continuous IV infusion at 50 mL/hr: This IV fluid prescription is generally appropriate. The combination of dextrose and sodium chloride with potassium is commonly used to maintain hydration and electrolyte balance in clients, particularly in the context of heart failure management. The infusion rate of 50 mL/hr is a typical rate for continuous IV infusions.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer filgrastim 250 mcg, subcutaneous. How many mg should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.25"]

Explanation

A nurse is reviewing the medication orders for a client who has heart failure. Which of the following prescriptions should the nurse clarify with the provider

Correct Answer is A

Explanation

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A nurse is preparing to administer 0.9% sodium chloride 500 mL IV to infuse over 45 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero It applies. Do not use a trailing zero.)