Question

O a. Blood urea nitrogen (BUN)-12 mg/dL b. Hemoglobin- 15 g/dL Oc. Platelet count-85,000 O d. Potassium-4.2 mEq/ 16. Hydrocortisone (Solu-Cortef) 35 mg IM is ordered to treat inflammation. Hydrocortisone (Solu-Cortef) is available as 250 mg/10 mL. How many milliliters should be administered? O a.1 mL Ob.14 ml Oc.2 mL Od. 2.6 mL 17. The provider ordered a heparin bolus of 5,000 units IV followed by a heparin drip at 1,000 units per hour. The standard mixture of heparin is 25,000 units/500 ml of DeW. At what rate in milliliters per hour should the pump be seth Oa. 15 mL/hr b. 20 mL/hr c. 25 mL/hr Od. 30 mL/hr Cephalexin (Keflex8) has been ordered for an adult patient: 3 grams are to be given over the next 24 hours, divided into 6 equally spaced doses. How many milligrams should be in each dose? 18. a. 300 mg b 500 mg e1000 ma d. 2000 mg A provider order states "Meperidine (Demerol ) 45 mg, Atropine SUlMate (Atropine 03 mg M now The meperidines (Demerol3) comes in a pre-filled syringe containing 50 mg/mL and the atropine sulfate (Atropine ) comes in a vial containing 400 mcg/mL What is the total volume that the nurse will be injecting? 19 a

Answer 1

ANSWER.

16) Calculation of amount(ml) of drug required.

           Formula = Desired dose/Dose in hand * Quantity.

      Here

          Desired dose = 35 mg.

          Dose in hand = 250 mg.

             Quantity = 10 ml.

   As per formula

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

                                                        = 35/250 * 10

                                                        = 0.14 * 10

                                                     b = 1.4 ml.

17) Rate in ml/hr the pump should set.

          Formula = Volume(ml) / Time(hr).

      Volume of drug required

               Formula = Desired dose/ Dose in hand *Quantity.

                Here

                     Desired dose = 1000 units/hr.

                     Dose in hand = 25000 units.

                         Quantity = 500 ml.

     As per formula

         Volume of drug required = 1000/25000 * 500

                                                = 0.04 * 500

                                                = 20 ml.

                         Time(hr) = 1 hr.

          Rate in ml/hr the pump should set

                              b = 20 ml/hr.

18) Calculation of mg in each dose.

              Total ordered dose = 3 gm/24 hrs.

         Convert gm to mg for calculation

                     1 gm = 1000 mg.

         So

            Ordered dose = 3000 mg.

           Number of doses in a day = 6 equal doses.

       So

          milligrams should be in each dose = 3000/6

                                                          b = 500 mg.

19) Total volume the nurse will inject.

              Total volume = Total volume of Meperidine + Total volume of atropine.

       Total volume of Mepridine required.

              Formula = Desired dose/Dose in hand * Quantity.

          Here

               Desired dose = 45 mg.

               Dose in hand = 50 mg.

                   Quantity = 1 ml.

     As per formula

        Volume of drug required = 45/50 * 1

                                                = 0.9 ml.

    Total volume of atropine required.

        Formula = Desired dose /Dose in hand * Quantity.

          Here

               Desired dose = 0.3 mg.

          Convert mg to mcg for calculation.

                   1 mg = 1000 mcg.

            So

               Desired dose = 300 mcg.

               Dose in hand = 400 mcg.

                    Quantity = 1 ml.

       As per formula

           Volume of drug required = 300/400 * 1

                                                   = 0.75 ml.

     Total volume the nurse will inject = 0.9 ml + 0.75 ml.

                                                           = 1.65 ml