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LAT Certification
Chapter 9
| Question | Answer |
|---|---|
| How is area calculated? | Length x width |
| What are conversion factors? | Ratios used to convert one unit of measure to another |
| What are some conversion factors for weight? | 1 lb = 0.454kg 2.2 lb = 1kg |
| How is an average (or mean) calculated? | By adding up all the number and dividing by how many numbers were added |
| What is a dosage? | The amount of drug administered to a patient based on the species and body weight. |
| What is the common unit of measurement for dosage? | milligrams of drug per kilogram of body weight, or mg/kg |
| What should you confirm before administering any drug? | Confirm you have the correct: drug, concentration, dose, route of administration, time of administration, animal, drug has not expired |
| Define dose | the amount of drug administered at one time. A dose is commonly calculated for an animal based on its body weight and dosage |
| Define dosage regimen | A prescription for the amount (dose) of a drug to administer, the route of administration, the frequency (as in how many times a day) of administration and the duration of treatment |
| What are some steps to think through to correctly calculate a dose? | Make certain to understand the order and have necessary equipment and medications, identify units given and needed, compute the problem, evaluate your answer |
| What is a solution? | Homogeneous mixtures of two or more constituents. Can take the form of any state of matter (liquid, gas or solid) |
| What are two components of a solution? | Solvent and solute; the solvent dissolves the solute, making the solution |
| What is concentration as expressed as percent solutions? | The solute is a percentage of the solution by weight or volume-by weight: solution % (w/w) by volume: solution %(v/v) combination: solution %(w/v) |
| Define percent by volume | The percent of the final solution volume represented by the volume of the solute taken to make the solution (v/v) |
| Define a mole | the weight in grams equal to the value of its molecular weight |
| Define molecular weight | The sum of the atomic weights of the atoms in a molecule |
| What are normal solutions used for? | Representing the concentration of electrolytes in sterile fluids used for injection |
| What do equivalents refer to? | The functionality of a molecule, or in the case of electrolytes, the ion that is free in solution |
Created by:
CarrieAngeles
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