How should I handle being constantly interrupted?

Being interrupted can range from annoying to demoralizing, but not all interruptions or interrupters are created equally.

Welcome to Pressing Questions, Fast Company’s work-life advice column. Every week, deputy editor Kathleen Davis, host of The New Way We Work podcast, will answer the biggest and most pressing workplace questions.

Q:  How should I handle being constantly interrupted?

A: Hold on, I’m going to let you finish . . .