However, this is a case where you’ll want to use your common sense. If you went to college for marketing and had a marketing internship your senior year, then worked as a server for the next several years, you would want to include your marketing internship.
Not even professional proofreaders can easily proofread their own work. Once you’ve made a typo, it’s hard to catch it yourself. For that reason, it’s a good idea to have one or two trusted friends take a look at your resume before you send it in for consideration. Use this resume proofreading checklist first, then ask someone else to give it a final review to be sure it’s perfect before you click send or upload to apply for a job.