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Ratio and Proportion with Medications: In a Nutshell (Nursing)

by Rhonda Lawes

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      Slides Nursing Dosage Calculation Ratio Proportion Medications.pdf
    • PDF
      Cheat Sheet Understanding Ratios.pdf
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    00:00 Okay. So, here's the key points to wrap up this portion of the video.

    00:04 Proportions represent two ratios or fractions that are equal.

    00:09 So in order for them to be a proportion, they have to be equal.

    00:12 Proportions are solved by multiplying the means times the extreme.

    00:17 As when we did the cross multiplication.

    00:19 Always, always, always double check your work.

    00:23 None of us want to be responsible for taking a shortcut and having a patient be harmed.

    00:28 Place the "have" fraction on the left and the "ordered" fraction on the right.

    00:33 Remember the "have" is the known ratio. The "ordered" is the unknown ratio.

    00:39 Now, make sure the units match and they're in the same sequence before you cross multiply.

    00:44 Thank you for watching our video series today.


    About the Lecture

    The lecture Ratio and Proportion with Medications: In a Nutshell (Nursing) by Rhonda Lawes is from the course Dosage Calculation (Nursing).


    Included Quiz Questions

    1. Always multiply means with extremes.
    2. The units should match before cross multiplying.
    3. The work should be double-checked.
    4. The "have" fraction is placed on the right.
    5. The two ratios used should be unequal.

    Author of lecture Ratio and Proportion with Medications: In a Nutshell (Nursing)

     Rhonda Lawes

    Rhonda Lawes


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