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How to Get EVERY Dosage Calculations Problem RIGHT (6 EASY STEPS!)

NursingSOS・14 minutes read

The video explains a six-step process for accurately solving dosage calculations in nursing school exams using dimensional analysis rather than memorizing formulas, with conversion factors crucial in determining drops per minute from one liter of saline over eight hours. Applying rounding rules, the final answer of 41.6 drops per minute should be rounded up to 42 for practicality.

Insights

  • Memorizing formulas is discouraged in nursing school exams, with dimensional analysis recommended for accurate dosage calculation problem-solving.
  • Utilizing conversion factors, such as 20 drops per milliliter, is crucial in transitioning units from liters over hours to drops over minutes, ensuring precise calculations and accurate final answers.

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Recent questions

  • How can dosage calculation problems be accurately solved for nursing exams?

    The video outlines a six-step process for solving dosage calculation problems effectively. It emphasizes the use of dimensional analysis over memorizing formulas. By identifying the desired unit, understanding the given order, and utilizing conversion factors, complex problems can be tackled methodically.

  • What method is recommended for solving complex dosage calculation problems?

    Dimensional analysis is recommended over memorizing formulas for solving complex dosage calculation problems. This method involves identifying the desired unit, understanding the given order, and using conversion factors to reach the final unit.

  • What is the first step in solving a practice problem for dosage calculation?

    The first step in solving a practice problem for dosage calculation is to determine the needed unit, such as drops per minute. This step sets the foundation for the subsequent calculations in the process.

  • How are conversion factors utilized in solving dosage calculation problems?

    Conversion factors play a crucial role in transitioning between different units in dosage calculation problems. By using conversion factors like 20 drops per milliliter, 1 liter equals 1000 milliliters, and 1 hour equals 60 minutes, accurate calculations can be achieved.

  • What rounding rules are applied in dosage calculation problem-solving?

    In dosage calculation problem-solving, rounding rules dictate that the final answer should be rounded up for practicality. For example, if the calculated result is 41.6 drops per minute, it should be rounded up to 42 drops per minute.

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Summary

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"Six Steps for Accurate Dosage Calculations"

  • The video offers a six-step process to solve dosage calculation problems accurately for nursing school exams.
  • Memorizing formulas is discouraged, and instead, dimensional analysis is recommended for solving complex problems.
  • The process involves identifying the desired unit, understanding the order given, and using conversion factors to reach the final unit.
  • A practice problem is used to illustrate the steps, starting with determining the needed unit (drops per minute).
  • The order from the physician is one liter of normal saline over eight hours.
  • Conversion factors are crucial to transition from liters over hours to drops over minutes.
  • The provided conversion factor of 20 drops per milliliter aids in the calculation process.
  • Additional conversion factors like 1 liter equals 1000 milliliters and 1 hour equals 60 minutes are utilized.
  • Multiplying across the top and bottom of the railroad tracks and then dividing yields the final answer.
  • Rounding rules dictate that 41.6 drops per minute should be rounded up to 42 drops per minute for practicality.
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