Holly needs to take 500mg or 1,25 ml of lithium
Dosing is the act of dosing; is the action of measuring the amount of dose that will be administered, at a certain frequency for a period of time.
With that being said, Holly needs 10mg of lithium per kilogram. She weighs 110 lbs, which is 50 kg. Lithium concentration is 400 mg/ml. As she weighs 50 kg she will need to take 500mg of lithium in 1,25 ml .
[tex]10mg -- 1kg\\x mg -- 50kg\\x = 500 mg[/tex]
As the concentrarion is 400mg/ml:
[tex]400mg -- 1ml\\500mg -- x ml\\x = 1,25 ml[/tex]
In this case, is possible to see that Holly needs to take 500mg or 1,25 ml of lithium.
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