Exam (elaborations)
ATI Dosage Calculation and Safe Medication Administration 3.0 - Powdered Medications Exam – 26 Q’s and A’s
ATI Dosage Calculation and Safe Medication Administration 3.0 - Powdered Medications Exam – 26 Q’s and A’s
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ATI Dosage Calculation and SafeMedication Administration 3.0 -
Powdered Medications Exam – 26 Q’s and
A’s
A nurse is preparing to administer cefazolin 500 mg IV bolus. The nurse
reconstitutes a vial of cefazolin to yield a final concentration of 100 mg/mL.
How many mL should the nurse administer? - -5 mL
Rationale:
1. 100 mg/1 mL = 500 mg/x mL
2. 100x = 500
3. x = 5 mL
-A nurse is preparing to administer amoxicillin 775 mg PO. The nurse
reconstitutes a container of amoxicillin to yield a final concentration of 400
mg/5 mL. How many mL should the nurse administer? (Round to the nearest
tenth.) - -9.7 mL
Rationale:
1. 400 mg/5 mL = 775 mg/x mL
2. 400x = 3,875
3. x = 9.6875 mL
4. x = 9.7 mL (rounded)
-A nurse is preparing to administer cefaclor 400 mg PO. The nurse
reconstitutes a container of cefaclor to yield a final concentration of 187
mg/5 mL. How many mL should the nurse administer? (Round to the nearest
tenth.) - -10.7 mL
Rationale:
1. 187 mg/5 mL = 400 mg/x mL
2. 187x = 2,000
3. x = 10.695187 mL
4. x = 10.7 mL (rounded)
-A nurse is preparing to administer pentamidine 1.75 mg IM. The nurse
reconstitutes a vial of pentamidine to yield a final concentration of 100
mg/mL. How many mL should the nurse administer? (Round to the nearest
tenth.) - -1.8 mL
Rationale:
1. 100 mg/1 mL = 175 mg/x mL
, 2. 100x = 175
3. x = 1.75 mL
4. x = 1.8 mL (rounded)
-A nurse is preparing to administer nafcillin 0.5 g IM. The nurse reconstitutes
a vial of nafcillin to yield a final concentration of 250 mg/mL. How many mL
should the nurse administer? - -2 mL
Rationale:
1. 0.5 g = 500 mg
2. 250 mg/1 mL = 500 mg/x mL
3. 250x = 500
4. x = 2 mL
-A nurse is preparing to reconstitute and administer a powdered medication
in a multidose vial. Which of the following actions should the nurse plan to
take?
A. Use a filtered needle to administer the medication.
B. Briskly shake the medication vial after adding the diluent.
C. Label the vial with the date and time before administering the medication.
D. Swab the rubber seal on the vial with triclosan prior to adding the diluent.
- -C. Label the vial with the date and time before administering the
medication.
Rationale:
A. The nurse should use a filtered needle to withdraw mixed liquid
medications from a vial to filter out particles that could harm the client. The
nurse should use a new, non-filtered needle to administer the medication to
the client.
B. The nurse should gently roll the medication to mix it. Shaking the
medication can cause bubbles to form that could harm the client.
C. The nurse should label the vial with the date, time, the nurse's initials, and
the concentration of the medication to ensure safe medication
administration.
D. The nurse should swab the rubber seal on the medication vial with an
alcohol swab to disinfect the vial before adding the diluent.
-A nurse is preparing to administer nafcillin 375 mg IM to a school-age child.
Available is nafcillin powder for injection 2 g vial. The nurse reconstitutes the
vial to yield a final concentration of 250 mg/mL. How many mL should the
nurse administer? - -1.5 mL
Rationale:
1. 250 mg/1 mL = 375 mg/x mL
2. 250x = 375
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