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The health-care provider prescribes furosemide (Lasix) 25 mg IV. The drug is available in a solution of 40 mg/4ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["2.5"]

To calculate the volume of furosemide to be administered, we can use the following formula:

Volume to administer = (Prescribed dose) / (Concentration)

Plugging in the given values:

Volume to administer = 25 mg / (40 mg/4 mL)

Volume to administer = 25 mg x (4 mL / 40 mg)

Volume to administer = 2.5 mL

Therefore, the nurse should administer 2.5 mL of furosemide (Lasix).

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Correct Answer is ["1"]

Explanation

To calculate the number of tablets needed, we can set up a proportion:

x tablets / 0.05 mg = 1 tablet / 0.1 mg

Cross-multiplying:

0.1x = 0.05

Solving for x:

x = 0.05 / 0.1

x = 0.5

Therefore, the nurse should administer 0.5 tablets of levothyroxine sodium (Synthroid).

Since we cannot administer a fraction of a tablet, we round up to the nearest whole number.

So, the nurse should administer 1 tablet.

Correct Answer is ["4.9"]

Explanation

Step 1: Calculate the concentration of dopamine in the IV solution:

400 mg / 250 mL = 1.6 mg/mL

Step 2: Calculate the infusion rate in mL/minute:

12 mL/hour x (1 hour / 60 minutes) = 0.2 mL/minute

Step 3: Calculate the dopamine infusion rate in mg/minute:

0.2 mL/minute x 1.6 mg/mL = 0.32 mg/minute

Step 4: Convert milligrams to micro-grams:

0.32 mg x (1000 mcg / 1 mg) = 320 mcg/minute

Step 5: Calculate the dopamine infusion rate in mcg/kg/minute:

320 mcg/minute / 65 kg ≈ 4.9 mcg/kg/minute

Therefore, the client is receiving approximately 4.9 mcg/kg/minute of dopamine.

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The health-care provider prescribes furosemide (Lasix) 25 mg IV. The drug is available in a solution of 40 mg/4ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client receives a prescription for levothyroxine sodium (Synthroid) 0.05 mg by mouth once daily. The medication is available in scored tablets labeled 0.1 mg. How many tablets should the nurse administer? (If rounding is required, round to the nearest tenth.)

Correct Answer is ["1"]

Explanation

A client who weighs 65 kg is receiving an infusion of Dextrose 5% in Water (DW) 250 ml with dopamine 400 mg at 12 ml/hour. How many mcg/kg/minute is the client receiving? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

Correct Answer is ["4.9"]

Explanation

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