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Practice Question

The health care provider prescribes streptomycin 300 mg IM q12 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.)

Answer Choices:

Correct Answer:

0.8

Rationale:

⏺️ Prescribed dose: 300 mg

⏺️ Available concentration: 1 gram (1,000 mg) in 2.5 mL

⏺️ Step-by-step calculation:

  1. Convert 1 gram to milligrams:
  2. 1,000 mg=2.5 mL
  3. Use the formula: 🔷Volume (mL)=Desired dose/Available concentration ✍=300/1000×2.5=0.75 mL
  4. Rounded to the nearest tenth: 0.8 mL
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This question is from RN-Hesi Dosage Calculation Care which contains 41 questions.

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RN-Hesi Dosage Calculation Care

41 Questions

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Question Details
  • Category: RN Nursing Exam(s)
  • Subcategory: HESI Exam(s)
  • Domain: Hesi Dosage Calculations
  • Answer Choices: 1
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