MATH PRACTICE; conversions for dosages

Calculate the amount you would give the patient.

  1. Order: Digoxin 0.375 mg po daily. Available: Digoxin 0. 25 mg tablets. Tab.
  2. Order: Dilantin 60 mg po bid. Available: Dilantin 30 mg po capsules cap
  3. Order: Lasix 100 mg by gastrostomy tube once a day. Available: Lasix 40 mg per 5 ml.


  1. Order: Valporic acid 1g po every day. Available: Valporic acid 250 mg per 5 ml. elixer


  1. Order: Valium 8 mg po q 4 h prn agitation. Available: Valium 5mg/ml. How much will you give in a 24 hour period?


  1. Order: Demerol100mg po now. Available: Demerol 50 mg per tablet. tabs
  2. Order: Pepcid 20 mg po daily. Available: Pepcid 40mg per ml. ml
  3. Order: Synthroid 0.05 mg po daily. Available: Synthroid 50 mg tabs. tabs
  4. Order: Keflex 0.25 g po q6h. Available: Keflex 250 mg tabs. tabs
  5. Order: Gentamycin 70 mg po q8h. Available: Gentamicin 80 mg/2 ml.


  1. Your patient throughout the day had 120cc milk, 4 oz of jello, 1 cup of coffee, ½ of their pitcher of water and 125cc /hr of IV fluids. The pitcher is 1 liter. How much is her intake for an 8 hour shift?
  2. That same patient had 1800cc in her foley and 300 of emesis. What was her output for your 8 hour shift?
  3. What do you anticipate your patients weight is going to be compared to the previous weight?

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Sample Solution