ANSWER.
21) Calculation of rate of flow(ml/hr).
Formula
Flow rate = Volume (ml) / Time(min) * Drop factor(gtts/min)
Here
Volume = 500 ml.
Time = 8 hr.(480 min)
Drop factor = 60 gtts/ml.
As per formula
Flow rate = 500/480 * 60
= 1.041 * 60
= 62.5 ml/hr.
22) Amount (ml) required to administer 300000 units of medication.
Formula = Desired dose /Dose in hand * Quantity.
Here
Desired dose (D) = 300000 units.
Dose in hand (H) = 1000000 units.
Quantity (Q) = 3 ml.
As per formula
Amount(ml) required to administer = D/H * Q
= 300000 / 1000000 * 3
= 0.3 * 3
= 0.9 ml.
23) ml/hr set the IV pump to run the medication.
Formula = Volume(ml) / Time(hr)
Here
Volume(ml) = 100 ml.
Time(hr) = 2 hr.
As per above formula
ml/hr = 100/ 2
= 50 ml/hr.
24) Amount (Teaspoon) of drug required to administer.
Formula = Desired dose(D) / Dose in hand * Quantity(Q)
Here
Desired dose (D) = 400 mg.
Dose in hand (H) = 250 mg.
Quantity (Q) = 6.25 ml.
As per above formula
Amount (Teaspoon) of drug required = D/H * Q
= 400 / 250 * 6.25
= 1.6 * 6.25
= 10 ml.
1 Teaspoon = 5 ml.
So
Teaspoon of drug required = 10 / 5
= 2 teaspoon.
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