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15 Cards in this Set
- Front
- Back
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Solute |
A substance to be dissolved or diluted. It can be in solid or liquid form |
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Solvent |
A substance (liquid) that dissolved another substance to prepare a solution. Diluent is a synonymous term. |
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Solution |
The mixture resulting from a solute plus a solvent. |
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To prepare a therapeutic solution, you will need to... |
Add a solvent or diluent (usually NAcL or sterile H2O) to a solute (solid substance, or concentrated stock solution) to obtain the required strength of a stated volume or solution. |
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The process of reconstitution is comparable to the preparation of... |
Hot chocolate from a powdered mix |
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Solution strength indicates.... |
The ratio of solute to solvent |
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2 types of reconstituted parenteral solutions |
Single and multiple strength |
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Simplest type to dilute is... |
Single-strength solution |
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When reconstituting multiple-dose injectable medications... |
Verify the length of drug potency |
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Ratio of 10mg/10mL |
1:1 ratio |
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Order: penicillin G potassium 300,000 units IM q.6h Supply: 50,000 units/mL |
300,000/50,000 * 1 mL = 6/1 mL Give: 6 mL |
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Order: penicillin G potassium 300,000 units IM q.6h Supply: 250,000 units/mL |
300,000/250,000 * 1mL = 6/5 mL = 1.2 mL Give: 1.2 mL |
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Order: penicillin G potassium 300,000 units IM q.6h Supply: 500,000 units/mL |
300,000/500,000 * 1 mL = 3/5 mL = 0.6 mL Give: 0.6 mL |
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Order: methylprednisolone 200 mg IV q.6h Supply: 500 mg per 8 mL (500 mg vial of powdered methylprednisolone for IM or IV injection; reconstitute with 8 mL Bacteriostatic Water for Injection with Benzyl Alcohol...) |
200/500 * 8mL = 16/5 mL = 3.2 mL OR 500/8 = 62.5 & 200/62.5 =3.2 mL Give: 3.2 mL |
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Order: ceftriazone 250 mG IM q.12h Supply: 350 mg/mL |
250/350 * 1mL =25/35 = 0.714 mL = 0.71 mL Give: 0.71 mL |
