NCLEX-PN

2.​ Maintaining sterility during syringe and needle assembly. 3.​ Withdrawing medication from vial/ampule. 4.​ Using anatomical landmarks for injection site determination. 5.​ Practicing proper hand hygiene and wearing gloves.

6.​ Cleaning the area and allowing it to dry before injection. 7.​ Injection of medication. 8.​ Proper disposal of syringes and needles. 9.​ Handwashing and glove removal.

Topical and Inhaled Medications Understanding how to administer different topical medications , such as skin, nasal, optical, otic (ear), vaginal, and rectal, is essential. Explaining the use of metered-dose inhalers (MDIs) and employing spacers to enhance lung delivery of inhaled medication also forms a vital part of nursing care. Performing the Calculations Needed for Medication Administration Ensuring safe nursing care necessitates precision in calculating dosage and solution rates. In this section, you will find a concise overview of fundamental arithmetic calculations and a refresher on the ratio and proportion methods employed for such calculations. Pharmacology employs three measurement systems: the household measurement system , the metric system , and the apothecary system . The household measurement system is generally reserved for clients in non-hospital settings, primarily in residential environments. Units of measurement within this system encompass teaspoons, tablespoons, drops, ounces, cups, pints, quarts, gallons, and pounds .

Unit of measurement

Approximate Equivalent(s)

1 teaspoon = 60 drops 1 teaspoon = 5 mL

1 teaspoon

1 tablespoon = 3 teaspoons 1 tablespoon = 15 mL 1 fluid ounce = 2 tablespoons 1 fluid ounce = 30 mL

1 tablespoon

1 fluid ounce

16 ounces = 1 pound 1 ounce 30 g 1 cup = 8 ounces 1 cup = 16 tablespoons 1 cup = 240 mL

1 ounce (weight)

1 cup

407

© 2025 ACHIEVE ULTIMATE CREDIT-BY-EXAM GUIDE | NCLEX-PN ​

​

​

​

​