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.)
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
Given:
Total dose of Potassium Chloride: 80 mEq
Volume of solution: 1 liter (1000 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) = 80 mEq / 1000 mL
Concentration (mEq/mL) = 0.08 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 / 0.08 mEq/mL
Infusion rate (mL/hr) = 125 mL/hr
Correct Answer is ["28"]
Explanation
Given:
Volume of fluid: 1 liter = 1000 mL
Infusion time: 6 hours
Drop factor: 10 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr
Step 1: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Volume (mL) / Time (hr)
Infusion rate (mL/hr) = 1000 mL / 6 hr
Infusion rate (mL/hr) = 166.67 mL/hr
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = (Infusion rate (mL/hr) x Drop factor (gtt/mL)) / 60 min/hr
Flow rate (gtt/min) = (166.67 mL/hr x 10 gtt/mL) / 60 min/hr
Flow rate (gtt/min) = 1666.7 gtt/hr / 60 min/hr
Flow rate (gtt/min) = 27.778 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 28 gtt/min
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