CONVERSION AND DOSAGE CALCULATION DRILLS

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Convert the following measures to the equivalent units indicated.1 oz = _____ tsp

6 tsp

Determine the total fluid intake in milliliters (mL):1 cup of coffee (1 cup = 6 oz)1/2 glass of juice (1 glass = 4 oz), 1 1/2 glasses of water (1 glass = 8 oz) Total mL = _____

600 mL

50 in = _____ cm

125 cm

Convert the following measures to the equivalent units indicated.750 mL = ______ qt

3/4 qt

1 fluid ounce = _________?________ mL

30 mL

0.03 grams =____?_____ mg

30 mg

12.4 in = _____ cm

31 cm

1 Liter = _____?______ fl ounces

32 fl oz

Give atropine sulfate 0.3 mg IM, STAT Available: 400 mcg/1 mL How many milliliters of Atropine should the nurse administer?

WE ALWAYS DO DOSAGE CALCULATION WITH LIKE UNITS OF MEASUREMENT! In this situation we are going to make mcg = mg because thats how the doctor wrote the order. 1.) 400 mcg = 400 mcg/1,000 = 0.4 mg 2.) 0.3 mg/0.4 mg X 1 mL = 0.75 mL

1,000 mg =____?____ grams

1 gram

2.5 cm = ________?_________ inches

1 inch

Calculate the total fluid intake in mL for 24 hours:Breakfast: 4 oz of milk, 3 oz of cranberry juice, 2 oz of water with medication; Lunch: 8 oz of iced tea, 4 oz of Jell-O; Snack: 5 oz of coffee; Dinner: 8 1/2 oz water, 6 oz of chicken broth; Snack: 5 oz of gelatin dessert, 6 oz of diet soda, 3 oz of water with medication. Total mL =

1,635 mL

Convert the following measures to the equivalent units indicated.237.5 cm = _______ in

95 inches

0.1 gram = ______?_______ mg

100 mg

If a person is 5ft 10 inches tall how many cm tall are they?

175 cm

At the completion of dialysis 2.75 L of fluid was removed from a client. How many milliliters of fluid were removed? __________ mL

2,750 mL

1 kg = _____?____ pounds

2.2 pounds

An order calls for 1 ½ tbs of a medicated mouthwash following dental surgery. How many milliliters of medicated mouthwash is this? ________ mL

22.5 mL

Convert the following measures to the equivalent units indicated.140 mL = ________ tsp

28 tsp

15 mL = ______?_______ teaspoons

3 tsp

38.5 cm = _____ mm

385 mm

A client receives a 4-oz bottle of cough syrup. The instructions are to take 1 1/2 teaspoons four times a day. How many days will the bottle of cough syrup last? ______ days

4 days

Convert the following measures to the equivalent units indicated.60 mL _____ tbs

4 tbs

40 mg = _________?_________ mcg

40,000 mcg

89 lb = _____ kg (round to nearest tenth)

40.5 kg

1 tsp = ______?_______ mL

5 mL

Convert the following measures to the equivalent units indicated.1,500 mL = _________ oz

50 oz

a patient consumed the following of an all liquid diet tray: 1 cup of coffee = 6 fluid oz 1 carton of juice = 8 fluid oz 1 jello serving = 20 fluid oz 2 cups of water = 24 fluid oz total What is their intake in mL?

6 fl oz = 180 mL 8 fl oz = 240 mL 20 fl oz = 600 mL 24 fl oz = 720 mL Total in mL = 1,740 mL

Convert the following measures to the equivalent units indicated.178.2 lb = ______ kg

81 kg

A client weighed 100 kg a year ago when a physical was done. The client now has lost 33 lb. What is the client's current weight in kg? ______kg

85 kg

If a patient weighs 198 pounds how many kg are they?

90 kg

Dr. Doesn't Do Math orders the following: Give Randomamyocin 40 mg/kg/day divided in 6 equally divided doses. The patient weighs 215 pounds. On hand you have 150 mg in 10 mL of elixir. How much will you give for each dose? Round to the nearest whole number in all conversions and calculations.

When presented with problems like this follow a systematic approach and you will do fine. 1.) What is our weight in kg? 215 lbs/ 2.2 = 97.7 = 98 kg 2.) What is the ordered dose? 40 mg X 98 kg = 3,920 mg/day The doctor wants it given in 6 equally divided doses so we are not quite done. 3,920 mg/6 =653.3 = 653 mg per dose 3.) 653 mg/150 mg X 10 mL = 43.5 = 44 mL of elixir for each dose for this patient.

If a bag of Dennyophed has 500 mg in 250 mL how many micrograms are in each mL?

You can solve this problem one of two ways the important thing is that you pick a method and stick with it if it works for you. Version A: 1.) How many micrograms are in the bag? 500,000 micrograms. (knowing that 1 mg = 1,000 mcg) 2.) How many micrograms are in each mL? 500,000 mcg/250 mL = 2,000 mcg/mL Version B: 1) How many mg/mL 500 mg/ 250 mL = 2 mg/mL 2) 2 mg = 2,000 mcg (knowing 1 mg = 1,000 mcg) so there are 2,000 mcg/mL


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