Question

Math Practice Exam 1. The patient is prescribed Nafcillin 0.75 g po daily. On hand is Naficillin 250 mg tablets. What should the nurse administer? 2. The medication order reads, penicillin 1,000,000 units IM daily. Available is Penicillin 400,000 units/mL. What should the nurse administer? 3. The Health Care Provider prescribed Phenergan 50 mg IM 96 hrs prn. The label states, Phenergan 25 mg/mL. what should the nurse administer? 4. The patient is taking 1 tbs liquid Tylenol at home. The label reads 650 mg/1 oz. How many mg is the patient receiving of the tylenol? 5. The patient is to receive warfarin 7.5 mg po at 6 pm. On hand is warfarin 5 mg tablets. What should the nurse administer? 6. The healthcare provider prescribes omeprazole 40 mg po daily. On hand is omeprazole 20 mg/5 ml. How many tsp should the nurse administer?

need some help

Answer 1

1. Prescribed 0.75gm

available. 250 mg tablet

so tablets required. 750mg/250 mg= 3 tablets

2. prescribed. 1000000 units

available 400000 units/ml

so mls required. 1000000/400000=2.5 ml

3. prescribed 50 mg

avaiable 25 mg/ ml

so mls required. 50/25. 2 ml

4. 1 tbs is equal to 0. 5 oz

as patient is taking 0.5 oz at home

available dose. 650 mg/oz

so he is taking. 650*0.5=. 325 mg

5. prescribed. 7.5 mg

available. 5 mg tablet

therefore tablets required. 7.5/5 One and a half tablet

6. Prescribed 40 mg

available. 20 mg/5 ml

so required mls. 5/20. *40. 10 ml