Author Question: The nurse must administer Digoxin 0.125 mg IV. The medication is available in ampules that are ... (Read 14 times)

Destiiny22

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The nurse must administer Digoxin 0.125 mg IV. The medication is available in ampules that are labeled Digoxin 500 mcg/2 mL. How many milliliters of drug should be administered?
 
  a. 0.25 mL c. 4 mL
  b. 0.5 mL d. 40 mL

Question 2

To prevent medication transcription errors, all the following rules should be observed except:
 
  a. always place a zero before a decimal number less than 1.
  b. never place a decimal and extra zeros after a whole number.
  c. avoid using decimals when whole numbers can be used as alternatives.
  d. use grains as units of measurement for p.o. medications whenever possible.



T4T

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Answer to Question 1

ANS: B

Feedback
A Incorrect: This is too small a dose.
B Correct: Convert 0.125 mg to 125 mcg, then divide by 500 mcg = 0.25 times 2 mL = 0.5 mL
C Incorrect: This is an excessive dose. Remember the prescribed dose is less than (1/4 of) the on-hand dose so the volume must be 1/4 of the on-hand volume.
D Incorrect: This is an excessive dose. Remember the prescribed dose is less than (1/4 of) the on-hand dose so the volume must be 1/4 of the on-hand volume.

Answer to Question 2

ANS: D

Feedback
A Incorrect: This is a true statement.
B Incorrect: This is a true statement.
C Incorrect: This is a true statement.
D Correct: The nurse should use the metric system as often as possible. Most p.o.and other medications are manufactured in mg. Grain is an apothecary measure.



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T4T

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