# Nur246 practice dosage calculation assessment answers suffolk County Community College School of Nursing

 Дата канвертавання 22.04.2016 Памер 19.64 Kb.

NUR246 PRACTICE DOSAGE CALCULATION ASSESSMENT ANSWERS

Suffolk County Community College

School of Nursing

1. _200mg___ The physician orders Augmentin (amoxicillin and clavulanate potassium) oral suspension 20 mg/kg/day po in divided in three equal doses.

Patients weight: 66 lbs

How many millilgrams should be administered for one dose?

66/2.2= 30 kg

20mg x 30kg =600mg/day to be given TID

600/3= 200mg per dose

2. 10.2ml _ The physician orders Tegretol (carbamazepine) 15mg/kg bid po.

Supply: Tegretol 100mg/5ml.

Patients weight: 30 lbs.

How many milliliters should be administered for one dose?
30lb/2.2= 13.6363636364= 13.6 kg

13.6 x 15 = 204 mg bid (FYI-total daily dose would be 408mg/day. This question is asking how much per dose)
204mg x 5ml = 10.2 ml

100 mg

3. ____1 tab___ The physician orders Omnicef (cefdinir) 15mg/kg po q 12 hrs.

Supply: Omnicef 300mg tablets

Patients weight: 44 lbs

How many tablets are to be administered per dose?
44lb/2.2 = 20 kg

15 x 20= 300 mg q 12 hrs (FYI-total daily dose would be 600mg/day. This question is also asking how much per dose)

300mg = 1 tablet

300mg

4. _1.5 ml______ The physician orders Tagamet (cimetidine) oral suspension 10 mg/kg/day po to be given in equally divided doses bid.

Patients weight: 40 lbs

Using the medication label supplied below, how many milliliters should be administered per dose?

 Mixing Directions: Add 28 ml of water. Store in refrigerator. Discard after 10 days Tagamet (cimetidine) Oral Suspension 300mg/5ml

40lb/2.2 = 18.18181818181= 18.2 kg

10 x 18.2 = 182 mg/day to be given bid 182/2= 91 mg per dose

91mg x 5ml = 1.51666666 = 1.5 ml

300mg

5. ____yes___ The physician orders Paveral (codeine sulfate) elixir 2.8 mg po q 6 hrs for pain.

The drug guide recommended dosage is 0.5-1 mg/kg/day

Patients weight: 34 lbs.

Is the physicians order safe?

34/2.2= 15.45454545454= 15.5 kg

0.5 x 15.5 = 7.75= 7.8 mg/day is the lower range

1 x 15.5= 15.5 mg/day is the higher range

Safe range is 7.8-15.5 mg/day

MD ordered 2.8 mg q 6 hrs = 2.8 x 4= 11.2 mg/day

11.2 falls in the safe range of 7.8-15.5= dose is safe

6. ____3.2 ml___ The physician orders Bumex (bumetanide) injection 0.1mg/kg IM stat.

Supply: Bumex 0.25mg/1ml.

Patients weight: 8 kg.

How many milliliters should be administered per dose?

1. x 8 kg = 0.8 mg IM state

0.8mg x 1ml = 3.2 ml

0.25mg
7. __9.3ml____ The physician orders Duracef (cefadroxil) oral suspension po 30mg/kg/day in 2

divided doses.

Supply Duracef 250mg/5ml.

Patients weight: 68 lbs

How many milliliters should be administered per dose?
68 lb/2.2= 30.9090909091= 30.9 kg

30mg x 30.9kg= 927mg/day to be given bid

927mg/2= 463.5mg per dose

463.5mg x 5ml = 9.27 = 9.3ml

250 mg

8. ___3.5 ml___ The physician orders Felbamte (phenytoin) 15mg/kg po qid.

Patients weight: 60.8 lbs

Using the medication label supplied below, how many milliliters should be administered per dose?

 Mixing directions: Add 30 ml of water Mix Vigorously Discard after 5 days Felbamate (phenytoin) Oral suspension 600mg/5ml

60.8 lb/2.2= 27.6363636364= 27.6 kg

15mg x 27.6= 414mg given qid (FYI-total daily dose would be 1656mg/day. This question is also asking how much per dose)

414 mg x 5ml = 3.45= 3.5 ml

600 mg
9. 124 mg The physician orders sulfamethoxazole and trimethoprim (Bactrim)

Patients weight: 41 lbs

The recommended dose 15-20 mg /kg/day in divided doses every 6-8 hours.

What is the highest dose of Bactrim that can be administered ?

41 lb/2.2 = 18.63636364= 18.6 kg

20 mg x 18.6 = 372 mg/day

372 mg can be given q 6 or q 8

372/4 = 93 and 372/3 = 124 mg

The highest dose is therefore 124 mg
10. ___31 gtt/min___The physician orders IV fluids as follows: Infuse 500ml of 0.33% normal saline solution in 4 hours IV.

Calculate the flow rate when the drop factor is 15 drops per milliliter

500 ml x 15 = 31.25 = 31 gtt/min

240 min

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