Question

ine 75 mg 9.8h. The ng vial of ranitidine 0 The order is for IV ranitidine 7 armacy sends the following via mL will the nurse give per do per dose? How many mL will the Ranitidine for Injection 25 mg/mL 10. The order is for 100 mg. The pharmacy sends oral suspension labeled 12.5 mg/2 mL. How many mL will the nurse give? albo 11. The order is for amoxicillin/clavulanate 250 t.i.d. The pharmacy sends the following medication. How many days will the bottle Amoxicillin/Clavulanate Potassium Tablets 1505 250 mg / tablet Contains 30 tablets

Answer 1

ANSWER.

9) Calculation of volume(ml) of drug required.

         Volume(ml) = Desired dose(D)/Dose in hand(H) * Quantity(Q).

    Here

        Desired dose(D) = 75 mg.

        Dose in hand(H) = 25 mg.

             Quantity(Q) = 1 ml

As per above formula

     Volume(ml) of drug required = D/H * Q

                                                   = 75/25 * 1

                                                   = 3 * 1

                                                   = 3 ml.

10) Calculation of volume(ml) of drug required .

           Volume(ml) = Desired dose(D)/Dose in hand(H) * Quantity(Q)

       Here

            Desired dose(D) = 100 mg.

            Dose in hand(H) = 12.5 mg.

                Quantity(Q) = 2 ml

As per above formula

       Volume(ml) of drug required = D/H * Q

                                                     = 100/12.5 * 2

                                                     = 8 * 2

                                                     = 16 ml.

11) Calculation of number of tablets required.

             Ordered dose = 250 mg t.i.d

             Available dose = 250 mg/tablet.

       Number of tablets required per day = Ordered dose/Available dose

                                                                = 250/250

                                                                = 1 tablet t.i.d

              t.i.d is three times a day.

       So number of tablets required per day = 1 * 3

                                                                     = 3 tablets per day.

   Total number of tablets available in the bottle = 30 tablets

       Number of days will the tablets left = Total tablets/number of tablets per day

                                                               = 30/3

                                                               = 10 days.