powdered dosage medications, Dosages by Weight, Injectable Medication

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A nurse is preparing to administer cefotaxime 1 g IV bolus every 12 hr. Available is cefotaxime injection 1 g/50 ml. How many ml should the nurse administer per dose?

1 g x 1 g/50 ml = 50 ml ANS: 50 ml

A nurse is preparing to administer penicillin G benzathine 1,200,000 units IM. Available is penicillin G benzathine injection 600,000 units/ml. How many ml should the nurse administer per dose?

1,200,000 units x 600,000 units/ml = 2 ml ANS: 2 ml

A nurse is preparing to administer pentamidine 175 mg IM. The nurse reconstitutes a vial of pentamidine to yield a final concentration of 100 mg/mL. How many mL should the nurse administer?

1.8 mL

A nurse is preparing to administer calcitonin 100 units subcutaneous to a client. Available is calcitonin 200 units/ml. How many ml should the nurse administer?

100 units x 200 units/ml = 0.5 ml ANS: 0.5 ml

A nurse is preparing to administer clindamycin 0.2 g PO. The nurse reconstitutes a container of clindamycin powder to yield a final concentration of 75 mg/5 mL. How many mL should the nurse administer?

13.3 mL

A nurse is preparing to administer heparin 15,000 units subcutaneous every 12 hr. Available is heparin injection 20,000 units/ml. How many ml should the nurse administer per dose?

15,000 units x 20,000 units/ml = 0.75 ml ANS: 0.75 ml

A nurse is preparing to administer ziprasidone 12.5 IM to an adolescent. The nurse reconstitutes a vial of ziprasidone to yield a final concentration of 20 mg/ML. How many mL should the nurse administer?

0.6

A nurse is converting an infant's weight from lb to kg. If the infant weighs 10 lb 4 oz, what is the infant's weight in kg? (Round to the nearest whole number.)

16 oz/lb x 4 oz = 0.25 lb 10 lb + 0.25 lb = 10.25 lb 2.2 lb/kg x 10.25 lb = 4.659090 kg ANS: 4.7 kg

A nurse is caring for an infant who weighs 11 lb 4 oz. What is the infant's weight in lb? (Round to the nearest whole number.)

16 oz/lb x 4 oz = 0.25 lb 11 lb + 0.25 lb = 11.25 lb ANS: 11.25 lb

A nurse is preparing to administer hydrocortisone 200 mg intermittent IV bolus. Available is hydrocortisone powder for injection 1 g vial. The nurse reconstitutes the powder to yield a concentration of 50 mg/mL. How many mL should the nurse administer?

4 mL

A nurse is preparing to administer morphine 4 mg IV bolus every 3 hr PRN pain. Available is morphine injection 10 mg/ml. How many ml should the nurse administer per dose?

4 mg x 10 mg/ml = 0.4 ml ANS: 0.4 ml

A nurse is preparing to administer amoxicillin 325 mg PO. The nurse reconstitutes a container of amoxicillin powder to yield an oral suspension with a final concentration of 400 mg/5mL. How many mL should the nurse administer?

4.1 mL

A nurse is preparing to administer methylprednisolone acetate 40 mg IM daily. Available is methylprednisolone acetate injection 20 mg/ml. How many ml should the nurse administer per dose?

40 mg x 20 mg/ml = 2 ml ANS: 2 ml

A nurse is preparing to administer chlorpromazine 40 mg IM to a client. Available is chlorpromazine 25 mg/ml. How many ml should the nurse administer?

40 mg x 25 mg/ml = 1.6 ml ANS: 1.6 ml

A nurse is preparing to administer methylprednisolone acetate 60 mg IM every week. Available is methylprednisolone acetate injection 40 mg/ml. How many ml should the nurse administer per dose?

60 mg x 40 mg/ml = 1.5 ml ANS: 1.5 ml

A nurse is preparing to administer daptomycin 360 mg IV bolus. The nurse reconstitutes a vial of daptomycin to yield a final concentration of 0.5g/10 mL How many mL should the nurse administer?

7.2

A nurse is preparing to administer 375 mg of cephalexin PO. The nurse reconstitutes a container of cephalexin powder to yield a final concentration of 0.25 g/5 mL. How many mL should the nurse administer?

7.5

A nurse is preparing to administer morphine 5 mg subcutaneous to a client. Available is morphine 10 mg/ml. How many ml should the nurse administer?

5 mg x 10 mg/ml = 0.5 ml ANS: 0.5 ml

A nurse is preparing to administer diazepam 7 mg IV bolus every 4 hr PRN muscle spasm. Available is diazepam injection 5 mg/ml. How many ml should the nurse administer per dose?

5 mg/ml x 7 mg = 1.4 ml ANS: 1.4 ml

A nurse is preparing to administer ampicillin 1.5 g IV bolus. The nurse reconstitutes a vial of ampicillin to yield a final concentration of 30 mg/ML. How many mL should the nurse administer?

50 mL

A nurse is preparing to administer ampicillin 0.75 g IM every 6 hr to a client. The nurse reconstitutes a vial of ampicillin to yield a final concentration of 250 mg/mL. How many mL should the nurse administer?

3 mL/dose

A nurse is preparing to administer diazepam 3 mg IV bolus every 3 hr PRN anxiety. Available is diazepam injection 5 mg/ml. How many ml should the nurse administer per dose?

3 mg x 5 mg/ml = 0.6 ml ANS: 0.6 ml

A nurse is preparing to administer haloperidol 3 mg IM for agitation. Available is haloperidol 5 mg/ml for injection. How many ml should the nurse administer?

3 mg x 5 mg/ml = 0.6 ml ANS: 3 ml

A nurse is preparing to administer clindamycin 450 mg PO. The nurse reconstitutes a container of clindamycin powder to yield a final concentration of 75 mg/5 mL. How many mL should the nurse administer?

30 mL

A nurse is preparing to administer digoxin 0.125 mg IV bolus stat. Available is digoxin injection 0.25 mg/ml. How many ml should the nurse administer?

0.125 mg x 0.25 mg/ml = 0.5 ml ANS: 0.5 ml

A nurse is preparing to administer digoxin 0.25 mg IV bolus. Available is digoxin injection 0.25 mg/ml. How many ml should the nurse administer per dose?

0.25 mg x 0.25 mg/ml = 1 ml ANS: 1 ml

A nurse is preparing to administer phenytoin 5 mg/kg/day PO divided equally every 12 hr for an infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose? (Round to the nearest whole number. Use a leading 0 if it applies. Don't use a trailing zero.)

16 oz/lb x 4 oz = 0.25lb 12 lb + 0.25 lb = 12.25 lb 2.2 lb/kg x 12.25 lb = 5.568181 kg 5 mg/kg x 5.568181 kg = 27.840909 mg 27.840909 mg / 2(Q12H) = 13.920454 mg ANS: 13.9 mg

A nurse is preparing to administer nafcillin 0.5 g IM. The nurse reconstitutes a vial of nafcillin to yield a final concentration of 250 mg/mL. how many mL should the nurse administer?

2

A nurse is preparing to administer potassium gluconate 3 mEq/kg/day PO divided in equal doses every 6 hr to a preschooler who weighs 42 lb. Available is potassium gluconate liquid 20 mEq/15ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 42 lb = 19.090909 kg 3 mEq/kg x 19.090909 kg = 57.272727 mEq 57.272727 mEq / 4(Q6H) = 14.318181 mEq 20 mEq/15 ml x 14.318181 mEq = 10.738636 ml ANS: 11 ml

A nurse is preparing to administer amoxicillin 25 mg/kg/day PO divided equal doses every 8 hr to a preschooler who weighs 43 lb. Available is amoxicillin suspension 250 mg/5 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 43 lb = 19.545454 kg 25 mg/kg x 19.545454 kg = 488.636363 mg 488.636363 mg/ 3(q8h) = 162.878787 mg 250 mg/5 ml x 162.878787 mg = 3.257575 ml ANS: 3.3 ml

A nurse is preparing to administer levothyroxine 0.25 mg IV bolus stat. Available is levothyroxine injection 100 mcg/ml. How many ml should the nurse administer?

0.25 mg x 100 mcg/ml = 2.5 ml ANS: 2.5 ml

A nurse is preparing to administer ceftriaxone 250mg IM. The nurse reconstitutes a container of ceftriaxone to yield a final concentration of 350 mg/ML. How many mL should the nurse administer?

0.7

A nurse is preparing to administer ceftriaxone 0.5 g IM The nurse reconstitutes a vial of ceftriaxone to yield a final concentration of 350 mg/ML. How many mL should the nurse administer?

1.4

A nurse is preparing to administer nafcillin 375 mg IM to school-aged child. Available is nafillin powder for injection 2 g vial. The nurse reconstitutes the powder to yield a final concentration of nafcillin 250 mg/ mL. How many mL should the nurse administer?

1.5

A nurse is preparing to administer cefaclor 400 mg PO. The nurse reconstitutes a container or cefaclor powder to yield a final concentration of 187 mg/5 mL. How many mL should the nurse administer?

10.7 mL

A nurse is preparing to administer cefazolin 1.5 g IV bolus to a client who has a fluid restriction. The nurse reconstitutes a vial of cefazolin to yield a final concentration of 138 mg/mL. How many mL should the nurse administer?

10.9 mL

A nurse is preparing to administer phenytoin 100 mg IV bolus every 8 hr. Available is phenytoin injection 50 mg/ml. How many ml should the nurse administer per dose?

100 mg x 50 mg/ml = 2 ml ANS: 2 ml

A nurse is preparing to administer meperidine 100 mg IM stat. Available is meperidine injection 75 mg/ml. How many ml should the nurse administer?

100 mg x 75 mg/ml = 1.3 ml ANS: 1.3 ml

A nurse is preparing to administer methylprednisolone acetate 120 mg IM daily. Available is methylprednisolone acetate injection 80 mg/ml. How many ml should the nurse administer per dose?

120 mg x 80 mg/ml = 1.5 ml ANS: 1.5 ml

A nurse is converting an infant's weight from lb to kg. If the infant weighs 6 lb 2 oz, what is the infant's weight in kg? (Round to the nearest whole number.)

16 oz/lb x 2 oz = 0.125 lb 6 lb + 0.125 lb = 6.125 lb 2.2 lb/kg x 6.125 lb = 2.784090 kg ANS: 2.8 kg

A nurse is converting a toddler's weight from lb to kg. IF the toddler weighs 20 lb 8 oz, what is the toddler's weight in kg? (Round to the nearest whole number.)

16 oz/lb x 8 oz = 0.5 lb 20 lb + 0.5 lb = 20.5 lb 2.2 lb/kg x 20.5 lb = 9.318181 kg ANS: 9.3 kg

A nurse is converting a toddler's weight from lb to kg. If the toddler weighs 17 lb 9 oz, what is the toddler's weight in kg? (Round to the nearest whole number.)

16 oz/lb x 9 oz = 0.5625 lb 17 lb + 0.5625 lb = 17.5625 lb 2.2 lb/kg x 17.5625 lb = 7.982954 kg ANS: 8 kg

A nurse is preparing to administer potassium gluconate 2 mEq/kg/day PO divided equally every 12 hr to a child who weighs 50 lb. How many mEq should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 50 lb = 22.727272 kg 2 mEq/kg x 22.727272 kg = 45.454545 mEq 45.454545 mEq / 2(q12h) = 22.727272 mEq ANS: 22.7 mEq

A nurse is preparing to administer potassium chloride 5 mEq/kg/day PO divided in equal doses every 6 hr to a child who weighs 64 lb. Available is potassium chloride liquid 40 mEq/15 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 64 lb = 29.090909 kg 5 mEq/kg x 29.090909 kg = 145.454545 mEq 145.454545 mEq / 4(q6h) = 36.363636 mEq 40 mEq/15 ml x 36.363636 mEq = 13.636363 ml ANS: 13.6 ml

A nurse is preparing to administer valproic acid 45 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 66 lb. Available is valproic acid syrup 250 mg/5 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 66 lb = 30 kg 45 mg/kg x 30 kg = 1350 mg 1350 mg/3 (q8h) = 450 mg 250 mg/ 5 ml x 450 mg = 9 ml ANS: 9 ml

A nurse is preparing to administer acyclovir 5 mg/kg IV bolus every 8 hr to a client who weighs 75 lb. How many mg should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 75 lb = 34.090909 kg 5 mg/kg x 34.090909 kg = 170.454545 mg ANS: 170.5 mg

A nurse is preparing to administer oxacillin 375 mg IM. The nurse reconstitutes a vial of oxacillin to yield a final concentration of 250mg/1.5 mL. How many mL should the nurse administer?

2.3 mL

a nurse is preparing to administer furosemide 30 mg IV bolus stat. Available is furosemide injection 10 mg/ml. How many ml should the nurse administer?

30 mg x 10 mg/ml = 3 ml ANS: 3 ml

A nurse is preparing to administer enoxaparin 30 mg subcutaneous to a client. Available is enoxaparin 60 mg/0.6 ml. How many ml should the nurse administer?

30 mg x 60 mg/0.6 ml = 0.3 ml ANS: 0.3 ml

A nurse is preparing to administer amoxicillin 30 mg/kg/day PO divided in equal doses every 12 hr to an infant who weighs 5.5 kg. Available is amoxicillin suspension 125 mg/5 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

30 mg/kg x 5.5 kg = 165 mg 165 mg/ 2 (Q12H) = 82.5 mg 125 mg/5 ml x 82.5 mg = 3.3 ml ANS: 3.3 ml

A nurse is preparing to administer fluconazole 200 mg PO. The nurse reconstitutes a container of fluconazole powder for oral suspension to yield a final concentration of 40 mg/ML. How many mL should the nurse administer?

5

A nurse is preparing to administer purified protein derivative 5 tuberculin units (TU) intradermal to a client. Available is 5 TU/ 0.1 ml. How many ml should the nurse administer?

5 TU x 5 TU/ 0.1 ml = 0.1 ml ANS: 0.1 ml

A nurse is preparing to administer oxacillin 500 mg IV bolus. The nurse reconstitutes a vial of oxacillin to yield a final concentration of 100 mg/ML. How many mL should the nurse administer?

5 mL

A nurse is preparing to administer meperidine 75 mg subcutaneous every 4 hr PRN pain. Available is meperidine injection 100 mg/ml. How many ml should the nurse administer per dose?

75 mg x 100 mg/ml = 0.75 ml ANS: 0.75 ml

A nurse is preparing to administer amoxicillin 775 mg PO. The nurse reconstitutes a container of amoxicillin powder to yield a final concentration of 400 mg/5 mL. How many mL should the nurse administer?

9.7 mL

A nurse is preparing to administer nystatin 400,000 units PO. Available is nystatin powder 500,000 units / 120 mL. How many mL should the nurse administer?

96

A nurse is preparing to reconstitute and administer a powdered in a multidose vial. Which of the following actions should the nurse plan to take?

Label date and time

A nurse is preparing to administer levothyroxine 200 mcg IV bolus. The nurse reconstitutes a vial of levothyroxine to yield a final concentration of 100 mcg/ML. How many mL should the nurse administer?

2 mL

A nurse is preparing to administer lorazepam 2 mg IV bolus 20 min prior to surgery. Available is lorazepam injection 4 mg/ml. How many ml should the nurse administer?

2 mg x 4 mg/ml = 0.5 ml ANS: 0.5 ml

A nurse is preparing to administer famotidine 0.5 mg/kg PO to a child who weighs 50 lb. How many mg should the nurse administer per dose? (Round to the nearest whole number.)

2.2 kg/lb x 50 lb = 22.727272 kg 0.5 mg/kg x 22.727272 kg = 11.363636 mg ANS: 11.4 mg

A nurse is preparing to administer epoetin alfa 50 units/kg subcutaneous toa preschooler who weighs 40 lb. Available is epoetin alfa 2,000 units/ml. How many ml should the nurse administer? (Round to the nearest whole number. Use a leading 0 if it applies. Don't use a trailing zero.)

2.2 lb/kg = 40 lb -> 18.181818 kg 50 units/kg x 18.181818 kg = 909.090909 units 2,000 units/ml = 909.090909 units -> 0.454545ml ANS: 0.45 ml

A nurse is preparing to administer phenytoin 15 mg/kg/day PO divided in three equal doses to a client who weighs 120 lb. Available is phenytoin suspension 125 mg/5ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 120 lb = 54.545454 kg 15 mg/kg x 54.545454 kg = 818.18181 mg 818.18181 mg / 3 = 272.727272 mg 125 mg/5 ml x 272.727272 mg = 10.909090 ml ANS: 10.9 ml

A nurse is preparing to administer midazolam IM to a client who is preoperative and weighs 132 lb. The medication reference states the safe dosage range is 0.07 to 0.08 mg/kg. What is the maximum safe dose the nurse should expect to administer? (Round to the nearest whole number.)

2.2 lb/kg x 132 lb = 60 kg 0.08 mg/kg x 60 kg = 4.8 mg ANS: 4.8 mg

A nurse is preparing to administer gentamicin to a client who weighs 165 lb. The medication reference recommends administering 2 mg/kg IM every 8 hr. How many mg should the nurse plan to administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 165 lb = 75 kg 2 mg/kg x 75 kg = 150 mg ANS: 150 mg

A nurse is preparing to administer amikacin IM to a client who weighs 176 lb. The medication reference states that the safe dosage range is 7.5 to 15 mg/kg/day divided every 12 to 24 hr. What is the maximum safe dose the nurse should expect to administer per day? (Round to the nearest whole number.)

2.2 lb/kg x 176 lb = 80 kg 15 mg/kg x 80 kg = 1200 mg ANS: 1200 mg

A nurse is preparing to administer ceftazidime 40 mg/kg IV bolus every 8 hr to a toddler who weighs 22 lb. Available is ceftazidime injection 40 mg/ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 22 lb = 10 kg 40 mg/kg x 10 kg = 400 mg 40 mg/ml x 400 mg = 10 ml ANS: 10 ml

A nurse is preparing to administer vasopressin 5 units IM to a client. Available is vasopressin 20 units/ml. How many ml should the nurse administer?

20 units/ml x 5 units = 0.25 ml ANS: 0.25 ml

A nurse is preparing to administercefazolin 500 mg IV bolus. The nurse reconstitutes a vial of cefazolin to yield a final concentration of 100 mg/ML. How many mL should the nurse administer?

5 mL

A nurse is preparing to administer cefdinir to a child who weighs 44 lb. The medication reference recommends administering 7 mg/kg PO every 12 hr. How many mg should the nurse plan to administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 22 lb = 20 kg 7 mg/kg x 20 kg = 140 mg ANS: 140 mg

A nurse is preparing to administer erythromycin ethyl succinate 50 mg/kg/day PO divided in equal doses every 6 hr to a toddler who weighs 32 lb. Available is erythromycin ethylsuccinate suspension 200mg/5ml. How many ml should the nurse administer per dose? (Round to the nearest whole number. Use a leading 0 if it applies. Don't use a trailing zero.)

2.2 lb/kg x 32 lb = 14.545454 kg 50 mg/kg x 14.545454 kg = 727.272727 mg 727.272727 mg / 4 (Q6H) = 181.818181 mg 200 mg/5ml x 181.818181 mg = 4.545454 mL ANS: 4.5 ml

A nurse is preparing to administer ampicillin 50 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 39.6 lb. Available is ampicillin oral suspension 250 mg/5 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 39.6 lb = 18 kg 50 mg/kg x 18 kg = 900 mg 900 mg / 3(q8h) = 300 mg 250 mg/ 5 ml x 300 mg = 6 ml ANS: 6 ml

A nurse is preparing to administer diphenhydramine 25 mg IV bolus stat. Available is diphenhydramine injection 50 mg/ml. How many ml should the nurse administer?

25 mg x 50 mg/ml = 0.5 ml ANS: 0.5 ml

A nurse is preparing to administer levothyroxine 0.3 mg IV bolus. The nurse reconstitutes a vial of levothyroxine to yield a final concentration of 100 mcg/mL. How many mL should the nurse administer?

3

A nurse is preparing to administer cefaclor 40 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 48 lb. Available is cefaclor suspension 375 mg/5 ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.2 lb/kg x 48 lb = 21.818181 kg 40 mg/kg x 21.818181 kg = 872.727272 mg 872.727272 mg / 3(q8h) = 290.909090 mg 375 mg/5 ml x 290.909090 mg = 3.878787 ml ANS: 3.9 ml

A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a preschooler who weighs 20 kg. Available is tobramycin injection 40 mg/ml. How many ml should the nurse administer per dose? (Round to the nearest whole number.)

2.5 mg/kg x 20 kg = 50 mg 40 mg/ml x 50 mg = 1.25 ml ANS: 1.3 ml


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