PC_Terms_Chapters06
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| atomic weight | the weight of a single atom of an element compared with the weight of a single atom of hydrogen
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| electrolytes | substances such as mineral salts that carry an electrical charge when dissolved in a solution
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| infusion | the administration of a large volume of liquid medication given parenterally over a long period
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| injection | a method of administering medications in which a syringe with a needle or cannula is used to penetrate through the skin or membrane into the tissue below
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| intramuscular (IM) injection | an injection given into the aqueous muscle tissue
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| intravenous (IV) infusion | the injection of fluid into the veins
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| milliequivalent (mEq) | the ratio of the weight of a molecule to its valence, used to measure the concentration of electrolytes in a volume of solution; also an amount of medication that will provide the patient with a specific amount (equivalent amount) of an electrolyte
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| millimole (mM) | molecular weight expressed in milligrams
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| molecular weight | the sum of the atomic weights of all atoms in one molecule of a compound
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| parenteral | administered by injection and not by way of the gastrointestinal system
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| powder volume (pv) | the space occupied by dry pharmaceuticals, calculated as the difference between the final volume and the volume of the diluting ingredient, or the diluent volume; the amount of space occupied by lyophilized (freeze-dried) medication in a sterile vial, use
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| ratio strength | a means of describing the concentration of a liquid medication based on a ratio such as a grams:b milliliters
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| subcutaneous (SC) injection | an injection given into the vascular, fatty layer of tissue under the skin
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| unit | the amount of activity associated with a medication that has a biological impact on a patient
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| valence | the ability of a molecule to bond, as indicated by its positive or negative charge, represented by a superscript plus or minus sign next to an element's chemical symbol
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