This professional portfolio assignment, completed for the NFDN 1002 course at NorQuest College, focuses on demonstrating competency in medication administration, specifically addressing the 'rights' and 'checks' to reduce medication errors and ensure patient safety. The student reflects on a significant learning experience involving administering metformin, highlighting the importance of the 10 rights and 3 checks. The assignment details what was learned, emphasizing the prevention of medication errors, and rates the student's proficiency as 'good', supported by adherence to the 10 rights and 3 checks. The significance of the learning is explained in terms of enhancing patient safety and improving nursing interventions. Finally, the student outlines how this learning will be applied in current and future nursing practice, identifying strengths in interpersonal communication and a weakness in dealing with medication refusal, especially from elderly patients. The portfolio is supported by APA-formatted references.