Pharmacological and Parenteral TherapiesQuestion 356 of 2368
A nurse mixes short-acting and intermediate-acting insulin in one syringe. Which insulin should be drawn up first?
- The short-acting insulin
- The intermediate-acting insulin
- Whichever dose is larger
- Whichever vial was opened first
Show answer
Correct answer: The short-acting insulin
Drawing the short-acting insulin first prevents it from being contaminated with the longer-acting insulin.
Source: Nursing Skills, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Administration of Parenteral Medications: Mixing Two Types of Insulin. Licensed under CC BY 4.0.
Practice the topic "Pharmacological and Parenteral Therapies"Questions last reviewed: 18 October 2026