1. When preparing a medication for administration via syringe, which of the following is the most critical aspect to ensure patient safety? A. Confirming the patient's identity B. Checking the medication's expiration date C. Selecting the appropriate needle size D. Verifying the doctor's prescription Answer: A. Confirming the patient's identity Rationale: Patient identification is paramount to prevent medication errors, which are a leading cause of patient harm in healthcare settings. 2. A nurse is administering insulin using an insulin syringe. What is the maximum volume that this syringe can typically hold? A. 0.5 mL B. 1 mL C. 1.5 mL D. 2 mL Answer: B. 1 mL Rationale: Insulin syringes are commonly designed to hold a maximum of 1 mL of fluid to allow for precise dosage of insulin, which is typically required in small amounts. 3. Which angle of injection is recommended for intramuscular administration of medication? A. 45 degrees B. 60 degrees C. 90 degrees D. 120 degrees Answer: C. 90 degrees Rationale: A 90-degree angle ensures that the medication is delivered deep into the muscle tissue, which is necessary for the proper absorption of the medication. 4. When administering heparin subcutaneously, what is the recommended technique to minimize tissue irritation? A. Aspirating before injection B. Massaging the site after injection C. Pinching the skin during injection D. Warming the medication prior to administration