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Ratio and Proportion with Medications: In a Nutshell (Nursing)
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Slides Nursing Dosage Calculation Ratio Proportion Medications.pdf
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Review Sheet Understanding Ratios.pdf
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Reference List Pharmacology Nursing.pdf
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Reference List Dosage Calculation Nursing.pdf
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Download Lecture Overview
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, PhD, RN is from the course Dosage Calculation (Nursing).
Included Quiz Questions
Which steps help to solve the proportions correctly? Select all that apply
- Always multiply means with extremes.
- The units should match before cross multiplying.
- The work should be double-checked.
- The "have" fraction is placed on the right.
- The two ratios used should be unequal.
Author of lecture Ratio and Proportion with Medications: In a Nutshell (Nursing)
Rhonda Lawes, PhD, RN
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