chapter 8 part 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| it's illegal to compound | commercially available products
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| a counter balance is a 2-pan balance used for | larger weights (up to 5kg), has a sensitivity requiremetn in the range of +/- 100mg, & are used for bulk materials (not for compounding)
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| ingredients & weights should be | placed on paper in C3 rx balancing
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| a C3 balance is also known as | a "class a" balance
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| weighing paper is for avoiding contact between the | tray & the ingredients
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| weighing paper is also called | powder paper
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| a digital electronic balance has a | single pan, it's easy to use, it's more accurate & expensive ($2,500+)
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| digital electronic analytical balances have a capacity of | 100g & sensitivity as low as +/- 1mg
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| the balances have polished brass with noncorrosive coating with | both metric & apothecary weights
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| forceps are used to grasp small objects to avoid | hands natural oils which can change weight of objects
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| hard rubber spatulas are often used for | corrosive material
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| a plate is made of | ground glass that mixes compounds
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| parchment paper can be | used if nonabsorbent
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| mortar & pestle can be made of | corse grained porcelain or "wedwood" used for pulverizing
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| smooth glass mortar & pestles are for | liquids & semisolids
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| a compounding slab is also called | an "ointment slab"
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| cylinders, pipettes, & beakers can be | glass or polypropylene
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| a conical cylinders is | wide topped & narrow based or cylindrical
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| conicals are | metric & apothecary
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| cylinders are calibrated in | metric units (more accurate)
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| beakers are less accurate than cylinders and measure | large liquid volumes when precision isn't necessary
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| pipettes measure liquids less than | 1.5mL
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| hoods, masks, & gowns are used when | preparing powders
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| there are capsule | machines & tablet presses
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| autoclaves sterilize | instruments
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| incubators culture | products
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| minimum compounding requirements are | hairnets, lab coats, & gloves
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| hazard requirements are | goggles, masks, double gowns, & eyewashe stations
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| usp chpt. 795 specifies to wash hands first, to dispose | gloves after, & keep food out of the staging area
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| electronical balances are | prefered, must be perfectly leveled, warmed & calibrated up for use, locked when not used, & cleaned afterwards
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| C3 rx balance is enough for | occasional use
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| measurement error is | expected sometimes
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| allowances are made for | some %age errors
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| %age error formula is | error amount/desired amountX100
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| error %age is an acceptable range of | variations over/under measurement
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| must work within an | acceptable error range
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| use the smallest device that holds the required | volume & measure at eye level at the bottom of the meniscus
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| the meniscus is the | moon-shaped/concave liquid appearance in a cylinder
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| to compound, techs should get a | master control record, ingredients, equipment, & mixing directions
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| most have uninterrupted | adequate time
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| master control record or pharmacists can give | the best mixing techniques
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| comminution is the process of | reducing things to fine particles
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| trituration rubs or grinds things to get | fine particles like with mortar and pestle
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