A client on the palliative care unit is receiving midazolam 3 mg SUBQ every 2 hours PRN for terminal agitation and intractable hiccups. The medication iS available in a 5 mL ampoule labeled. "2 mg/mL." How many mL should the nurse administer for each dose? (Enter the numerical value only.)
The Correct Answer is ["1.5"]
Given:
Ordered dose of Midazolam: 3 mg SUBQ every 2 hours PRN
Concentration of Midazolam: 2 mg/mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
3 mg / Volume = 2 mg/mL
Step 3: Solve for the unknown volume:
Volume = 3 mg / (2 mg/mL)
Volume = 3 mg x (1 mL / 2 mg)
Volume = 1.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["13"]
Explanation
Given:
Total insulin in solution: 125 units
Ordered infusion rate: 10 units/hour
Step 1: Calculate the total infusion time:
Total infusion time (hours) = Total insulin (units) / Infusion rate (units/hour)
Total infusion time (hours) = 125 units / 10 units/hour
Total infusion time (hours) = 12.5 hours
Step 2: Round to the nearest whole number:
Total infusion time (hours) ≈ 13 hours
Correct Answer is ["40"]
Explanation
Given:
Vial strength: Cefotaxime 2 grams (2000 mg)
Volume of diluent: 50 mL of normal saline
Step 1: Calculate the concentration of Cefotaxime in the reconstituted solution:
Concentration (mg/mL) = Total amount of Cefotaxime (mg) / Total volume of solution (mL)
Concentration (mg/mL) = 2000 mg / 50 mL
Concentration (mg/mL) = 40 mg/mL
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