1. Equipment Used in Dosage Measurement
Chapter 6
Equipment Used in Dosage Measurement
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2. Medicine Cup
A 30 mL (1 fl oz) medicine cup is used to measure most liquids for oral administration
Includes mL and ounces
30 mL = 1 ounce
5 mL = 1 teaspoon
15 mL = 1 tablespoon
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3. Medicine Cup (Continued)
Cubic centimeters (cc), formerly used interchangeably with milliliters (mL), may still be noted on measuring devices
The correct unit to use is milliliter (mL)
For volumes less than 2.5 mL, a smaller, more accurate device should be used
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4. Medicine Cup (Continued)
Dram: a unit of measurement in the apothecary system
Is no longer used but may still appear on medicine cups
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5. Calibrated Dropper Used to administer small quantities
Used to administer medications to children and adults
Used to dispense eye and ear medications
Useful for adding small quantities to liquid
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6. Calibrated Dropper (Continued)
Never exchange packaged droppers between medications, because drop size varies from one dropper to another
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7. Pediatric Oral Devices
Used with oral medications for children
Teach caregivers to use correctly
Oral syringes do not have a Luerlock hub and have a cap on the tip
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8. Parenteral Medication Devices
Route of administration is by injection
Includes syringes and IV catheters
Must use principles of rounding to ensure safety and accuracy
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9. 3 mL Syringe
Calibrations read from top of the black ring of the suction plunger
Calibrated in tenths of a milliliter
Luerlock syringe hub
Plunger
Barrel
Needle
Rubber plunger tip
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10. 3 mL Syringe (Continued)
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© 2013 Delmar Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.

11. Prefilled Single-Dose Syringe
Use only once and is discarded
Discard any extra medication prior to injection
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12. 1 mL Syringe Also known as tuberculin or TB syringe
Used to administer small doses
Calibrated in hundredths of a milliliter
Used to give dosages of less than 0.5 mL
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13. U-100 Insulin Syringe
Measurement and administration of U-100 insulin only
Do not use with any other medication
Syringe may be a standard U-100 or a Lo-dose U-100 for smaller doses
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14. Safety Syringes Needle is protected by a shield
Used to protect from injury

15. Intravenous Syringe Used to prepare medication for IV administration
Examine calibrations and select the best syringe based upon volume
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16. Intravenous Syringe (Continued)
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© 2013 Delmar Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.

17. Needleless Syringe System
Used to prevent needle sticks during IV medication administration
© 2013 Delmar Cengage Learning. All Rights Reserved. May not be scanned, copied, duplicated, or posted to a publicly accessible website, in whole or in part.