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 ["0.4"]
Explanation
Given:
Ordered dose of methylprednisolone succinate: 1.5 mg/kg/day IV in divided doses every 6 hours
Child's weight: 42 kg
Concentration of methylprednisolone succinate: 40 mg/mL
Step 1: Calculate the total daily dose of methylprednisolone succinate:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Child's weight (kg)
Total daily dose (mg) = 1.5 mg/kg/day x 42 kg
Total daily dose (mg) = 63 mg/day
Step 2: Calculate the dose per administration:
Since the medication is given every 6 hours, there are 4 administrations per day.
Dose per administration (mg) = Total daily dose (mg) / Number of administrations per day
Dose per administration (mg) = 63 mg/day / 4 administrations/day
Dose per administration (mg) = 15.75 mg
Step 3: Calculate the volume to be administered per dose:
Volume (mL) = Dose per administration (mg) / Concentration (mg/mL)
Volume (mL) = 15.75 mg / 40 mg/mL
Volume (mL) = 0.39375 mL
Step 4: Round to the nearest tenth:
Volume (mL) ≈ 0.4 mL
Correct Answer is ["133"]
Explanation
Given:
Prescribed dose: 1.5 oz
Number of doses administered: 3 times
Step 1: Convert ounces to milliliters:
1 ounce (oz) = 29.5735 mL
Prescribed dose in mL = 1.5 oz x 29.5735 mL/oz = 44.36025 mL
Step 2: Calculate the total volume ingested:
Total volume (mL) = Prescribed dose per dose (mL) x Number of doses
Total volume (mL) = 44.36025 mL/dose x 3 doses
Total volume (mL) = 133.08075 mL
Step 3: Round to the nearest whole number:
Total volume (mL) ≈ 133 mL
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