The healthcare provider prescribes streptomycin 300 mg IM every 12 hours for a client with tuberculosis. The available vial is labeled, "Streptomycin 1 gram/2.5 mL." How many milliliters should the nurse administer? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.8"]
Desired dose in milligrams = 300 mg
Convert the available concentration to mg/mL:
Available concentration = 1 gram / 2.5 mL
= 1000 mg / 2.5 mL
= 400 mg/mL
Calculate the volume to administer in mL:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 300 mg / 400 mg/mL
= 0.75 mL
Round to the nearest tenth:
Rounded volume = 0.8 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["8"]
Explanation
Determine the concentration of the insulin solution:
Concentration = Total units of insulin / Total volume of solution (mL)
= 100 units / 100 mL
= 1 unit/mL
Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Prescribed dose (units/hour) / Concentration (units/mL)
= 8 units/hour / 1 unit/mL
= 8 mL/hour
Correct Answer is ["3"]
Explanation
Prescribed dose = 15 mg
Available dose per tablet = 5 mg/tablet
Calculate the number of tablets to administer:
Number of tablets = Prescribed dose / Available dose per tablet
= 15 mg / 5 mg/tablet
= 3 tablets
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