Deck 8: Reconstitution of Medications

Question 1

Ordered: Penicillin G potassium 300,000 units IM q6h,for a patient with an infection.Available: Use 18.2 mL diluent.

A)Estimated dose: more or less than drug concentration after reconstitution
B)How many mL will the nurse prepare per dose? _______ DA equation:
C)Evaluation: Indicate the nearest measurable dose with an arrow on the syringe provided.

Answer 1

a.A little more than drug concentration
b.How many mL will the nurse prepare per dose
1.2 mL
DA equation:
c.The estimate supports the answer.The equation is balanced.

Question 2

What information must be placed on a label for a multidose reconstituted medication vial that is to be stored for subsequent use?

Answer 2

Patient name if needed,Date of reconstitution,Reconstituted strength,Nurse preparer,and Reconstitution expiration date and hour if agency requires.

Question 3

Can the nurse prepare a medication from a container that has been reconstituted on an unknown date? If so why; if not,why not?

Answer 3

No.The nurse cannot use an unlabeled reconstituted medication because it may have expired and be ineffective,decomposed,or contaminated.

Question 4

Which has a shorter shelf life: reconstituted or unreconstituted medications?

Question 5

Ordered: Ampicillin Sodium 0.3 g IM q6h,for a patient with an infection.
Available:

A)Amount of diluent to be added for IM injection
B)Estimated dose to be given after reconstitution
C)How many mL will the nurse prepare? DA equation:
D)Evaluation: Indicate dose on the syringe with an arrow.

Question 6

May the nurse substitute SW for bacteriostatic SW for dilution? Where would this information be obtained? Reconstituted medications have a shorter shelf life.

Question 7

Ordered levothyroxine sodium 0.08 mg IV daily for a patient with hypothyroidism.
Available:

A)Estimated dose: more or less than drug concentration after reconstitution
B)How many mL will the nurse prepare? DA equation:
C)Evaluation: Indicate the nearest measurable dose with an arrow on the syringe provided.

Question 8

Ordered: carbenicillin disodium 0.5 g IM q6h.

A)What amount of diluent will the nurse use for this dose? Refer to the label.
B)Estimated dose after reconstitution: How many milliliters will the nurse prepare?
C)DA equation:
D)Evaluation: Indicate with an arrow the amount to be added to the syringe with the nearest measurable dose.

Question 9

Ordered: amoxicillin oral susp 0.35 g PO q8h,for a patient with a urinary tract infection.Available:

A)Is this a unit-dose or a multidose container?
B)Estimated dose: How many milliliters will the nurse prepare?
C)DA equation:
D)Evaluation: Shade in the medicine cup with the nearest measurable dose.Indicate with an arrow the additional amount to be added with the syringe.

Question 10

The patient is told upon discharge to soak his heel every 2 hr for 20 min in 500 mL of 1 part Epson salts to 4 parts (the ratio)of warm water.

A)What is the % of Epson salts in the solution?
B)How much Epson salts should the patient measure in the metric measuring cup provided?

Question 11

Ordered: Vancomycin HCl 0.25 g IV q 6 h in a compatible solution,for a patient with a severe infection.
Available:

A)Estimated dose: more or less than drug concentration after reconstitution
B)How many mL of Vancomycin sol will the nurse withdraw after the first dilution before further dilution by adding to IV? DA equation:
C)Evaluation.Indicate the dose with an arrow on the appropriate syringe below:

Question 12

Ordered: oxacillin sodium 0.4 g IM stat,for a patient with an infection.
Available:

A)How many milliliters of SW will be added for the IM preparation?
B)Estimated dose after reconstitution: How many milliliters will the nurse prepare?
C)DA equation:
D)Evaluation: Indicate with an arrow the amount to be added to the syringe with the nearest measurable dose.

Question 13

If you were preparing 100 mL of a 10% solution of hydrogen peroxide for an irrigation,how much peroxide and how much water would you use?

Question 14

Ordered: cefadroxil oral suspension 0.6 g PO bid,for a patient with an upper respiratory infection.
Available:

A)Estimated dose after reconstitution: How many milliliters will the nurse prepare?
B)DA equation:
C)Evaluation: Shade in the medicine cup with the nearest measurable dose.Indicate with an arrow the additional amount to be added with the syringe.

Question 15

Ordered: dicloxacillin sodium susp 0.2 g PO q8h.
Available:

A)Estimated dose after reconstitution: How many milliliters will the nurse prepare?
B)DA equation:
C)Evaluation: Shade in the medicine cup with the nearest measurable dose.Indicate with an arrow the additional amount to be added with the syringe.

Question 16

Why are sterile solutions used for wound irrigations?

Question 17

Ordered: clarithromycin 300 mg PO for 7 days,for a patient with an infection.
Available:

A)Estimated dose:
B)How many mL will the nurse prepare? DA equation:
C)Evaluation:

Question 18

If the prescriber orders 30 mL q 1 hr of a 50% formula for an adult nutritional formula,what is the ratio of the formula to the water added?

Question 19

Ordered: 100 mL q2h of a 25 % solution for an irrigation.

A)How many mL of the active ingredient will you prepare?
B)What is the ratio of the active ingredient to the inactive ingredient?

Question 20

Which is the diluent in a solution such as an antibiotic and SW?

Question 21

The nurse prepares an oral medication of 11 mL.

A)How many mL will be placed in the medicine cup?
B)How many mL will be added with a syringe?

Question 22

The nurse prepares an oral medication of 24.2 mL.

A)How many mL will be placed in the medicine cup?
B)How many mL will be added with a syringe?

Question 23

What actions should the nurse take if the order is clear but the nurse is unsure of how to prepare the reconstituted solution?

Question 24

The nurse prepares an oral medication of 7.4 mL.

A)How many mL will be placed in the medicine cup?
B)How many mL will be added with a syringe?

Question 25

The nurse calculates an oral medication dose of 18 mL.

A)How many mL will be placed in the medicine cup?
B)How many mL will be added with a syringe?