calculation of drug dosages 11th edition by sheila
calculation of drug dosages 11th edition
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ATI DOSAGE CALCULATIONS ACTUAL EXAM 230 REAL EXAM
Calculation of Drug Dosages 11th Edition By Sheila Ogden, Linda Fluharty 9780323551281 Chapter 1-19 Complete Guide .
Calculation of Drug Dosages 11th Edition TEST BANK WITH QUESTIONS AND ANSWERS
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Test Bank For Calculation of Drug Dosages 11th Edition By
Sheila Ogden, Linda Fluharty 9780323551281 Chapter 1-19
Complete Guide .
A patient with a tidal volume of 400 milliliters has a tidal volume of how many liters?
40
4
.400
.04 - ANSWER: .400L
A patient who weighs 55 kilograms is to receive a drug dosage of 10mg/kg. How much drug should be
administered?
550 mg
250 mg
25 mg
5.5 mg - ANSWER: 550 mg. To determine the dosage to administer, simply multiply 55 kg by 10 mg (55
kg x 10 mg = 550 mg).
A solution of drug contains 80 units/ml. How many milliliters would you need to deliver 320 units of
the drug?
0.4 ml
4 ml
14 ml
40 ml - ANSWER: 4 ml. Refer to example calculation 8 in the textbook to set up your calculation and
solve for X.
A medication bag contains 0.03 liters. This is equal to how many milliliters?
3
30
300
3,000 - ANSWER: 30. Refer to Table 2-2 to convert from liters to milliliters.
Virazole is supplied in a powder form that must be mixed with normal saline or sterile water prior to
nebulization. This type of solution represents a:
Solid/solvent
Weight/volume
Liquid/solute
Volume/volume - ANSWER: Weight/volume. A drug solution that consists of the active drug in solid
(or powder) form mixed with a liquid solvent is considered a weight/volume solution.
How much active drug is in 3 ml of a 10% solution?
0.3 g
1g
0.3 mg
1 mg - ANSWER: 0.3 g. By definition (%solution = g). Solve: 3 x .10 = 0.3
A rescue dosage of surfactant calls for 3 ml/kg body weight. If a premature infant weighs 1,500 g, how
many milliliters are needed?
, 5.0 ml
9.0 ml
0.45 ml
4.5 ml - ANSWER: 4.5 ml. You first convert the baby's weight from grams to kilograms. Then you
determine how many milliliters are needed if the required dosage is 3 ml per kilogram by multiplying
3 by the weight in kg (3 ml x 1.5 kg).
What strength of drug would be administered if 6 g of active ingredient is reconstituted with sterile
water to a total volume of 300 ml?
2% strength
0.5% strength
20% strength
50% strength - ANSWER: 2% strength. 6 g of active ingredient in 300 ml represents 2 g for every 100
ml, which is a 2% solution.
Normal saline in solution with albuterol is known as the solvent.
True
False - ANSWER: True. A solution contains an active drug, which is the solute dissolved in a solvent,
such as sterile water or normal saline.
When calculating drug dosages based on a patient's weight in kilograms, a respiratory therapist can
use the BSA nomogram to convert from pounds to kilograms.
True
False - ANSWER: False. The nomogram used to determine body surface area (BSA) combines height
and weight in a single measurement to determine a patient's overall body size. If a drug dosage
requires a specific number of units per patient weight in kilograms, the factor-label method should be
used to convert the patient's weight from the English system to the metric system.
How many mg of active ingredient are there in 3 mL of a 0.083% solution of albuterol? - ANSWER: 3
x .83mg = 2.49 mg (convert 0.083g to .83mg)
A metaproterenol sulfate unit dose contains 2.5 mL of a 0.6% solution. How many milligrams of active
ingredient are present in this unit dose? - ANSWER: 2.5 x 6mg = 15 mg (convert 0.6g to 6mg)
If a drug order is written for 0.25 mg/kg of body weight, what dosage would be administered to a
patient weighing 88 lb? - ANSWER: 88/2.2=40, 40 x .25 = 10mg
The physician order reads "Administer 5 mg metaproterenol via inhalation route with a small volume
nebulizer." How many milliliters of a 1% solution should be used? - ANSWER: 5 x .1 = 0.5 mL
A dosage of 4 mg of morphine sulfate is ordered for a patient. How many milliliters of the morphine
solution needs to be taken from a vial of the medicine that contains 10 mg/ml? - ANSWER: 4 x .10 =
0.4 mL
You are to administer 0.075 g of a medication labeled: "25 mg per mL." How much solution (mL)
needs to be taken out of the vial to administer the prescribed dosage? - ANSWER: .75/.25 = 3 mL
A drug's dosage strength is available in a 1% solution. How many milliliters (mL) of drug are required
to deliver a 5 mg dose to a patient? - ANSWER: 5 x .1 = 0.5 mL
A drug is available as a 20 mg/3 mL solution. What is the percent strength (percent solution)? -
ANSWER: 2.0/3 = 0.67%
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