question

Oral Medications: Scored Tablets

answer

Calculate to the tenth and round to the nearest half tablet: 1.5 tablets = give 1 1/2 tablets 1.7 tablets = give 2 tablets

question

Oral Medications: ALL other oral pills

answer

Calculate to the tenth and round to the whole number: 1.4 tablets = give 1 tablet 1.9 tablets = give 2 tablets

question

Oral Medications: When preparing ORAL LIQUIDS:

answer

Calculate to the hundredth and round to the tenth: 2.32 mL = give 2.3 mL 2.36 mL = give 2.4 mL

question

Injections: When giving more than 1 mL:

answer

calculate to the hundredth and round to the tenth: 1.26 mL = give 1.3 mL 1.38 mL = give 1.4 mL

question

Injections: When giving less than 1 mL:

answer

calculate to the thousandth and round to the hundredth: 0.823 mL = give 0.82 mL 0.666 mL = give 0.67 mL

question

When working with fractions that have repeating decimal:

answer

it is recommended that you leave the fraction intact while working through the problem: 1/6 = 0.16666 -- leave as 1/6 to calculate the problem

question

Body Weight:

answer

Calculate to the hundredth and round to the tenth: 7.35 kg = 7.4 kg

question

Tube Feeding: When calculating calories:

answer

calculate to the tenth and round to the whole number

question

Tube Feeding: When calculating mL/hr:

answer

calculate to the hundredth and round to the tenth

question

IV Problems: When calculating drop factor:

answer

calculate to the tenth and round to the whole number

question

IV Problems: When calculating mg/min, mcg/hr, units/mL, mL/hr:

answer

calculate to the hundredth and round to the tenth

question

IV Problems: When calculating titration factor:

answer

carry out to the thousandth and round off to the nearest hundredth.

question

Type of Medication: Scored Tablets:

answer

round to 1/2 tablet

question

Type of Medication: Oral Pills:

answer

round to whole tablet

question

Type of Medication: Oral Liquids:

answer

round to the tenth

question

Type of Medication: Injections over 1 mL:

answer

round to the tenth

question

Type of Medication: Injection less than 1 mL:

answer

round to the hundredth

question

Body Weight:

answer

round to the tenth

question

Calories:

answer

round to the nearest whole number

question

Tube Feeding mL/hr

answer

round to the nearest tenth

question

Drop factors

answer

round to the whole number

question

mg/min, mcg/hr, units/mL, mL/hr

answer

round to the tenth

question

Volume: Metric: 1 Liter

answer

1L = 1 qt or 32 oz (apothecary) = 1 qt (household)

question

Volume: Metric:

answer

500 mL = 1 pt or 16 oz (apothecary) = 1 pt (household)

question

Volume: Metric: 240 mL

answer

240 mL = 8 oz (apothecary) = 1 glass or 1 measuring cup (household)

question

Volume: Metric: 180 mL

answer

180 mL = 6 oz (apothecary) = 1 cup of coffee

question

Volume: Metric: 30 mL

answer

30 mL = 1 oz or 8 dr (apothecary) = 2 T or 6 t (household)

question

Volume: Metric: 15 mL

answer

15 mL = 0.5 oz or 4 dr (apothecary) = 1 T (household)

question

Volume: Metric: 4 - 5 mL

answer

4 - 5 mL = 1 dr or 60 minims (apothecary) = 1 t (household)

question

Volume: Metric: 1 mL or 1 cc

answer

1 mL or 1 cc = 15 (16) minims (apothecary) = 15 - 16 gtt (household)

question

Weight: Metric: 30 g

answer

30 g = 1 oz (apothecary)

question

Weight: Metric: 15 g

answer

15 g = 4 drams (apothecary)

question

Weight: Metric: 1 g or 1000 mg

answer

1 g or 1000 mg = 15 (16) gr (apothecary)

question

Weight: Metric: 60 (65) mg

answer

1 gr (apothecary)

question

Weight: Metric: 1 mg or 1000mcg

answer

1 mg = .001 g

question

Other: Metric: 1 kg or 1000g

answer

1 kg or 1000 g = 2.2 lbs (apothecary)

question

Other: Metric: 2.54 cm

answer

2.54 cm = 1 in (household)

question

Temperature Conversion: Celsius to Fahrenheit

answer

F = 9/5 C + 32 or (C x 1.8) +32 = F

question

Temperature Conversion: Fahrenheit to Celsius

answer

C = 5/9 (F-32) or (F -32) / 1.8 = C

question

Conversions:

answer

1 g = 1000 mg 1000 mcg = 1 mg 1 kg = 1000 g

question

Gram

answer

The basic unit for weight (solid).

question

Liter

answer

The basic unit for volume (liquid).

question

Meter

answer

The basic unit for length.

question

Kilo

answer

1000 - One thousand times.

question

Hecto

answer

100 - One hundred times.

question

Deka

answer

10 - Ten times.

question

Deci

answer

0.1 - One tenth.

question

Centi

answer

0.01 - One hundredth part of.

question

Milli

answer

0.001 - One thousandth part of.

question

Micro

answer

0.000001 - One millionth part of.

question

g

answer

Gram.

question

mcg

answer

Microgram.

question

mg

answer

Milligram.

question

kg

answer

Kilogram.

question

L

answer

Liter.

question

dL

answer

Deciliter.

question

mL

answer

Milliliter.

question

1 Kilogram (kg)

answer

1000 grams (g)

question

1 gram (g)

answer

1000 milligrams (mg)

question

1 milligram (mg)

answer

1000 micrograms (mcg)

question

1 liter (L)

answer

1000 milliliters (mL)

question

1 milliliter (mL)

answer

0.001 liter (L)

question

1 meter (m)

answer

100 centimeters (cm) = 1000 mm

question

1 millimeter (mm)

answer

0.001 meter (m) = 0.1 cm

question

1 ounce (oz)

answer

30 mL

question

1 tablespoon (T or tbs)

answer

15 mL

question

2 tablespoons (T or tbs)

answer

1 ounce (oz)

question

1 teaspoon (t or tsp)

answer

5 mL

question

1 cup (standard measuring cup)

answer

240 mL (8 ounces)

question

1 pint (pt)

answer

500 mL (16 ounces)

question

1 quart (qt)

answer

1000 mL (32 ounces)

question

15 grains (gr)

answer

1000 mg = 1 gram (g)

question

1 grain (gr)

answer

60 mg

question

2.2 pound (lb)

answer

1 kg (1000 g)

question

1 inch (in)

answer

2.5 cm

question

A patient has been taking 0.5g tablets of acetaminophen (Tylenol) P.O. for postoperative pain after an inguinal hernia repair. If the patient took a total of 1,500 mg in 72 hours, how many 0.5-g tablets were taken?

answer

0.5g: 1 tab :: 1.5g : X tab= 3 tablets

question

The doctor's order reads glyburide 1.5 mg 3 tablets P.O. daily. What's the total dose in milligrams?

answer

X = 4.5 mg

question

Your patient is receiving 500 mg of cefaclor oral suspension. The lable reads cefaclor 250mg/5ml, and the bottle contains 100ml. How many milliliters of cefaclor should you give? ,

answer

x X 250 mg = 5 ml X 500 mg X= 10 ml

question

The doctor orders 0.125 mg of digoxin (Lanoxin) elixir for a patient developing heart failure and pulmonary edema. The bottle is labeled 0.05 mg/ml. How many milliliters should the nurse administer?

answer

0.05 mgX xml = 0.125 mg X 1ml x = 2.5 ml

question

Your patient needs 400 mg of erythromycin oral suspension. the label reads erythromycin 200 mg/ 5 ml. How many milliliters should you give?

answer

x X 200mg = 5 ml X 400 mg x= 10ml

question

The doctor orders 100 mg Dilantin oral suspension t.i.d. for your patient. The label reads Dilantin 125 mg/5ml. How many mililiters should you give?

answer

100 mg X 5 ml = 125 mg X x x= 4ml

question

A doctor orders 25 g of lactulose (Cephulac) for a patient entereing a prehapatic coma. The bottle is labeled 10 g/15ml. How many milliliters should the patient receive?

answer

10 g X xml = 15 ml X 25g X= 37.5

question

Your patients's order reads aspirin gr 10 P.O. daily, but the unit-dose package says aspirin 325 mg. How many tablets should you administer daily?

answer

60 mg X 10 grains = x X 1 grain x X 325 mg = 1 tablet X 600 mg X= 1.846 all probably round to 2

question

A prescriptoin reads phenobarbital gr 1/4 take gr 1/2 t.i.d. P.O. daily. How many milligrams of phenobarbital should this patient receive?

answer

60 mg X grain 1/4 = X x 1 grain X x grain 1/4 = 15mg x 1/2 X= 30 mg

question

Your patient receives a prescription for 62.5 mcg of digoxin elixir P.O. daily. The elixir reads 0.05 mg/ml. How many milliliters of digoxin should you give?

answer

X x 0.05 mg = 1 ml x 0.0625 X= 1.25

question

patient is to receive 0.25 mg of Synthroid. The medication is only available in tablets that contain 125mcg each. How many tablet should the nurse administer?

answer

X = 2 tablets

question

The doctor orders 0.05 mg Synthroid P.O., but the only Synthroid on hand is in tablets that contain 0.025 mg each. How many tablets should you give?

answer

1 tablet X 0.05mg = 0.05 mg X x x= 2 tablets

question

1 liter (L) = ____ ml

answer

1000 milliliters (ml)

question

1 ounce (oz) = ____ ml

answer

30 milliliters (ml)

question

1 ounce (oz) = ____ tbsp

answer

2 tablespoons (tbsp)

question

1 milliliter (ml) = ____ cc

answer

1 cubic centimeter (cc)

question

1 teaspoon (tsp) = ____ ml

answer

5 milliliters (ml)

question

1 tablespoon (tbsp) = ____ ml

answer

15 milliliters (ml)

question

1 tablespoon (tbsp) = ____ tsp

answer

3 teaspoons (tsp)

question

1 gram (g) = ____ mg

answer

1000 milligrams (mg)

question

1 pint = ____ mg

answer

500 milligrams (mg)

question

1 milligram (mg) = ____ mcg

answer

1000 micrograms (mcg)

question

1 kilogram (kg) = ____ g

answer

1000 grams (g)

question

1 kilogram (kg) = ____ lb

answer

2.2 pounds (lb)

question

1 inch (in) (") = ____ cm

answer

2.5 centimeters (cm)

question

8 ounces (oz) = ____ c

answer

1 cup (c)

question

8 ounces (oz) = ____ ml

answer

240 milliliters (ml)

question

grains (gr) X = ____ mg

answer

650 milligrams (mg)

question

grains (gr) V = ____ mg

answer

325 milligrams (mg)

question

240 milliliters (ml) = ___ c

answer

1 cup (c)

question

65 milligrams (mg) = ___ gr

answer

Grains (gr) 1

question

1 dram = ____ ml

answer

4 milliliters (ml)

question

1 coffee cup = ____ oz

answer

6 ounces

question

1 cup = ____ oz

answer

8 ounces

question

1 quart = ____ L

answer

1 liter

question

1 quart = ____ pints

answer

2 pints

question

1 centimeter = ____ mm

answer

10 millimeters

question

1 glass = ____ oz

answer

12 ounces

question

Convert Celsius to Fahrenheit

answer

1. multiply by 1.8 2. add 32

question

Convert Fahrenheit to Celcius

answer

1. subtract 32 2. divide by 1.8

NUR 101 Dosage Calculations (Common Approx Conversions and Rounding Rules) – Flashcards

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