Important point For liquid dosages 1 mL round to the nearest hundredth Look at

Important point for liquid dosages 1 ml round to the

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Important point: For liquid dosages < 1 mL, round to the nearest hundredth. Look at the 1 mL syringe. Notice that it is calibrated in hundredths and can accommodate dosages rounded to the nearest hundredth. Ex: Order: Codeine 25 mg IM now Supply: vial labeled 60 mg/mL 25 mg (desired) x 1 mL (supply) = 0.416 mL = 0.42 mL 60 mg (have) Important point: For liquid dosages > 1 mL, round to the nearest tenth. Look at the 3 mL syringe. Notice that it is calibrated in tenths and can accommodate dosages rounded to the nearest tenth. Ex: Order: Phenobarbitol 60 mg IM tid Supply: vial labeled 100 mg/ 2.1 mL 60 mg (desired) x 2.1 mL (supply) = 1.26 mL = 1.3 mL (rounded to nearest tenth) 100 mg (have)
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