Term
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Definition
| 1 g molecular weight (from periodic chart) divided by the total positive valence of the material |
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Term
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Definition
| 1/1000 As an equivalent weight. A term used to express the concentration of electrolytes in a solution |
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Term
| What happens in a true proportion? (ex: 8:16 1:2) |
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Definition
| in the true proportion, the product and that means equals the product of the extremes. Therefore, when a part of the problem is unknown. Excuse me, substituted for the unknown part of proportion and the equation solved for X |
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Term
| What are the two inner and the two outer #s in a proportion called? (ex: 8:16 1:2) |
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Definition
| the two inner numbers (16 and one) are called the means, and the two outer numbers (eight and two) called the extremes. |
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Term
| Describe the arrow method of performing conversions from a larger unit to a smaller unit in the metric system. (ex: 0.3 g of drug A, supply on hand is 150 mg tablets) |
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Definition
1. Write down the order. First, using the units called for (0.3 g)
2. Write down the equivalent units (on hand) needed next to the order units (0.3 g equals_MG).
3. Place an arrow between the 2 units, with the close part of the arrow pointing toward the smaller unit (g → mg)
4. Move the decimal .3 places in the direction the arrow points
(0.3g → 3 0 0 therefore 0.3 g = 300 mg = 2 150 mg tablets to fill order |
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Term
| Describe the arrow method of performing conversions from a smaller unit to a larger unit in the metric system (order is for 300,000 mcg of drug A, and supply on hand is 150 mg tablets) |
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Definition
1. Write down the order (300,000 MCG)
2. Write down the equivalent units needed next to the order units (300,000, mcg equals __ mg).
3. Place an arrow between the 2 units with the close part of the arrow pointing toward the smaller units (mcg ← mg)
4. Move the decimal 3 places in the direction of the arrow points
(300 mg ← 300 0 0 0 mcg
It would take 2 150 mg (150,000 mcg) tablets to fill the 300,000 mcg order |
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Term
| what is the formula for dosage calculations? |
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Definition
| Dose = (Animal's wt x dosage rate)/Concentration of drug |
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Term
| Dose of most drugs used to treat neoplasms is calc according to the total body surface area of the pt. Body surface area is correlated w/ the wt of the animal. A table is used to convert wt to surface area in square meters |
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Definition
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Term
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Definition
| solutions are mixtures of substances that usually are not chemically combined with each other. Solutions are made up of a dissolving substance called the solvent, and a dissolved substance, called solute |
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