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The healthcare provider prescribes trimethobenzamide 100 mg IM every 6 hours for a client with postoperative vomiting. "Each 2 mL single-dose vial contains 200 mg of trimethobenzamide. How many mL should the nurse administer to the client for each dose? (Enter numeric value only.)

Answer and Explanation

The Correct Answer is ["1"]

Given:

Ordered dose of trimethobenzamide: 100 mg IM every 6 hours

Concentration of trimethobenzamide: 200 mg/2 mL vial

Step 1: Set up the proportion:

Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)

Step 2: Substitute the values:

100 mg / Volume = 200 mg/2 mL

Step 3: Solve for the unknown volume:

Volume = 100 mg / (200 mg/2 mL)

Volume = 100 mg x (2 mL / 200 mg)

Volume = 1 mL

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Correct Answer is ["7"]

Explanation

Given:

Ordered dose of Nesiritide: 0.01 mcg/kg/minute

Patient weight: 155.1 pounds

Bag size: 250 mL D5W

Concentration of Nesiritide: 1.5 mg

Step 1: Convert patient weight from pounds to kilograms:

1 pound (lb) = 0.453592 kilograms (kg)

Patient weight in kg = 155.1 lbs x 0.453592 kg/lb = 70.3 kg

Step 2: Calculate the total dose of Nesiritide in mcg/minute:

Total dose (mcg/minute) = Ordered dose (mcg/kg/minute) x Patient weight (kg)

Total dose (mcg/minute) = 0.01 mcg/kg/minute x 70.3 kg

Total dose (mcg/minute) = 0.703 mcg/minute

Step 3: Convert mcg/minute to mg/hour:

Total dose (mg/hour) = Total dose (mcg/minute) x 60 minutes/hour / 1000 mcg/mg

Total dose (mg/hour) = 0.703 mcg/minute x 60 minutes/hour / 1000 mcg/mg

Total dose (mg/hour) = 0.04218 mg/hour

Step 4: Calculate the infusion rate in mL/hour:

Infusion rate (mL/hour) = Total dose (mg/hour) / Concentration (mg/mL)

Infusion rate (mL/hour) = 0.04218 mg/hour / (1.5 mg/250 mL)

Infusion rate (mL/hour) = 0.04218 mg/hour x (250 mL/1.5 mg)

Infusion rate (mL/hour) = 7.03 mL/hour

Step 5: Round to the nearest whole number:

Infusion rate (mL/hour) ≈ 7 mL/hour

Correct Answer is ["33"]

Explanation

Rationale:

Given:

Total dose of Potassium Chloride: 30 mEq

Volume of solution: 100 mL

Infusion rate: 10 mEq/hour

Step 1: Determine the concentration of Potassium Chloride in the solution:

Concentration (mEq/mL) = Total Potassium Chloride (mEq) / Volume of solution (mL)

Concentration (mEq/mL) = 30 mEq / 100 mL

Concentration (mEq/mL) = 0.3 mEq/mL

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

Infusion rate (mL/hr) = Infusion rate (mEq/hr) / Concentration (mEq/mL)

Infusion rate (mL/hr) = 10 mEq/hr / 0.3 mEq/mL

Infusion rate (mL/hr) = 33.33 mL/hr

Step 3: Round to the nearest whole number:

Infusion rate (mL/hr) ≈ 33 mL/hr

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The healthcare provider prescribes trimethobenzamide 100 mg IM every 6 hours for a client with postoperative vomiting. "Each 2 mL single-dose vial contains 200 mg of trimethobenzamide. How many mL should the nurse administer to the client for each dose? (Enter numeric value only.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["7"]

Explanation

Correct Answer is ["33"]

Explanation

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The healthcare provider prescribes trimethobenzamide 100 mg IM every 6 hours for a client with postoperative vomiting. "Each 2 mL single-dose vial contains 200 mg of trimethobenzamide. How many mL should the nurse administer to the client for each dose? (Enter numeric value only.)