Welcome to GPN’s learning zone feature. By reading the article in each issue, you can learn about key principles of subjects that are vital to your role as a general practice nurse. Having read the article, visit www.journalofpracticenursing.co.uk/learningzone/ (‘Insight’ section) to evaluate your knowledge on this topic by answering the 10 questions in the e-learning unit; all answers can be found in the article. If you answer the questions correctly, you can download your certificate which can be used in your continuing professional development (CPD) portfolio as evidence of continued learning and contribute to your revalidation portfolio.